老師的小作業,一個登入和主界面

 

LoginForm.cs

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data .SqlClient ;

namespace WindowsApplication2
...{
    /**//// <summary>
    /// Form1 的摘要說明。
    /// </summary>
    
    public class Form1 : System.Windows.Forms.Form
    ...{
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.Button button2;
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.TextBox textBox2;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Data.SqlClient.SqlConnection sqlConnection1;
        private System.Data.SqlClient.SqlCommand sqlCommand1;
        /**//// <summary>
        /// 必需的設計器變量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1()
        ...{
            //
            // Windows 窗體設計器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 調用後添加任何構造函數代碼
            //
        }

        /**//// <summary>
        /// 清理所有正在使用的資源。
        /// </summary>
        static void Main() 
        ...{
            Form1 f=new Form1();
            f.ShowDialog();
            if(Form1.ShowForm==true)
            ...{
                Application.Run(new MainForm());
            }
            
        }
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗體設計器生成的代碼#region Windows 窗體設計器生成的代碼
        /**//// <summary>
        /// 設計器支持所需的方法 - 不要使用代碼編輯器修改
        /// 此方法的內容。
        /// </summary>
        private void InitializeComponent()
        ...{
            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
            this.button1 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.textBox1 = new System.Windows.Forms.TextBox();
            this.textBox2 = new System.Windows.Forms.TextBox();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
            this.sqlCommand1 = new System.Data.SqlClient.SqlCommand();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(32, 176);
            this.button1.Name = "button1";
            this.button1.TabIndex = 0;
            this.button1.Text = "登入";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // button2
            // 
            this.button2.Location = new System.Drawing.Point(128, 176);
            this.button2.Name = "button2";
            this.button2.TabIndex = 1;
            this.button2.Text = "取消";
            // 
            // textBox1
            // 
            this.textBox1.Location = new System.Drawing.Point(104, 56);
            this.textBox1.Name = "textBox1";
            this.textBox1.TabIndex = 2;
            this.textBox1.Text = "";
            // 
            // textBox2
            // 
            this.textBox2.Location = new System.Drawing.Point(104, 120);
            this.textBox2.Name = "textBox2";
            this.textBox2.PasswordChar = '*';
            this.textBox2.TabIndex = 3;
            this.textBox2.Text = "";
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(16, 56);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(56, 23);
            this.label1.TabIndex = 4;
            this.label1.Text = "用戶名：";
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(16, 120);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(64, 16);
            this.label2.TabIndex = 5;
            this.label2.Text = "密碼：";
            // 
            // sqlConnection1
            // 
            this.sqlConnection1.ConnectionString = "workstation id="W3-34";packet size=4096;user id=sa;data source="(local)";persist " +
                "security info=False;initial catalog=DB";
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(240, 229);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.textBox2);
            this.Controls.Add(this.textBox1);
            this.Controls.Add(this.button2);
            this.Controls.Add(this.button1);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Name = "Form1";
            this.Text = "LoginForm";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.ResumeLayout(false);

        }
        #endregion
        public static bool ShowForm=false;
        /**//// <summary>
        /// 應用程序的主入口點。
        /// </summary>
        [STAThread]
        

        private void button1_Click(object sender, System.EventArgs e)
        ...{
            if (this.textBox1 .Text.ToString () =="" |this.textBox2 .Text.ToString () =="")
            ...{
                MessageBox.Show ("請把您的帳號和密碼輸入完整！");
            }
            else
            ...{
                try
                ...{
                    sqlCommand1=new SqlCommand ();
                    sqlCommand1.Connection =sqlConnection1;
                    this.sqlCommand1.CommandText="SELECT PWD FROM usertable WHERE userid='"+this.textBox1 .Text .ToString ().Trim ()+"'";
                    this.sqlConnection1 .Open ();
                    SqlDataReader
                    reader= sqlCommand1.ExecuteReader ();
                    reader.Read ();
                    string textpwd=reader.GetString (0);
                    if (this.textBox2 .Text .ToString ().Trim ()==textpwd.Trim ())
                    ...{
                        ShowForm=true;
                        this.Close ();
                    }
                    else
                    ...{
                        MessageBox.Show ("密碼輸入錯誤！");
                        ShowForm=false;
                    }
                    
                }
                catch(System.Exception)
                ...{
                    MessageBox.Show ("沒有該用戶", "錯誤",MessageBoxButtons.OK ,MessageBoxIcon.Error );
                }
            }
            this.sqlConnection1 .Close ();
        }

        private void Form1_Load(object sender, System.EventArgs e)
        ...{
        
        }


    }
}

Mainform .cs

 

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace 圖書管理
...{
    /**//// <summary>
    /// Form1 的摘要說明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    ...{
        private System.ComponentModel.IContainer components;
        private System.Windows.Forms.ToolBar toolBar1;
        private System.Windows.Forms.ToolBarButton tBtnFirst;
        private System.Windows.Forms.ToolBarButton tBtnPre;
        private System.Windows.Forms.ToolBarButton tBtnNext;
        private System.Windows.Forms.ToolBarButton tBtnLast;
        private System.Windows.Forms.ToolBarButton tBtnNew;
        private System.Windows.Forms.ToolBarButton tBtnEdit;
        private System.Windows.Forms.ToolBarButton tBtnDelete;
        private System.Windows.Forms.ToolBarButton tBtnSubmit;
        private System.Windows.Forms.ToolBarButton tBtnCancel;
        private System.Windows.Forms.ToolBarButton tBtnQuit;
        private System.Windows.Forms.Button btnSearch;
        private System.Windows.Forms.TextBox txt1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.DataGrid dataGrid1;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.Label label4;
        private System.Windows.Forms.Label label5;
        private System.Windows.Forms.TextBox txt2;
        private System.Windows.Forms.TextBox txt3;
        private System.Windows.Forms.TextBox txt4;
        private System.Windows.Forms.TextBox txt5;
        private System.Windows.Forms.GroupBox groupBox3;
        private System.Windows.Forms.CheckBox checkBox1;
        private System.Windows.Forms.CheckBox checkBox2;
        private System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
        private System.Data.SqlClient.SqlConnection sqlConnection1;
        private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
        private System.Data.SqlClient.SqlCommand sqlInsertCommand1;
        private System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
        private System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
        private 圖書管理.DataSet1 dataSet11;
        private System.Windows.Forms.ImageList imageList1;
        private CurrencyManager cmOrders;//數據導航
        public string EditOrAdd="";

        public Form1()
        ...{
            //
            // Windows 窗體設計器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 調用後添加任何構造函數代碼
            //
        }

        /**//// <summary>
        /// 清理所有正在使用的資源。
        /// </summary>
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗體設計器生成的代碼#region Windows 窗體設計器生成的代碼
        /**//// <summary>
        /// 設計器支持所需的方法 - 不要使用代碼編輯器修改
        /// 此方法的內容。
        /// </summary>
        private void InitializeComponent()
        ...{
            this.components = new System.ComponentModel.Container();
            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
            this.toolBar1 = new System.Windows.Forms.ToolBar();
            this.tBtnFirst = new System.Windows.Forms.ToolBarButton();
            this.tBtnPre = new System.Windows.Forms.ToolBarButton();
            this.tBtnNext = new System.Windows.Forms.ToolBarButton();
            this.tBtnLast = new System.Windows.Forms.ToolBarButton();
            this.tBtnNew = new System.Windows.Forms.ToolBarButton();
            this.tBtnEdit = new System.Windows.Forms.ToolBarButton();
            this.tBtnDelete = new System.Windows.Forms.ToolBarButton();
            this.tBtnSubmit = new System.Windows.Forms.ToolBarButton();
            this.tBtnCancel = new System.Windows.Forms.ToolBarButton();
            this.tBtnQuit = new System.Windows.Forms.ToolBarButton();
            this.imageList1 = new System.Windows.Forms.ImageList(this.components);
            this.btnSearch = new System.Windows.Forms.Button();
            this.txt1 = new System.Windows.Forms.TextBox();
            this.label2 = new System.Windows.Forms.Label();
            this.dataGrid1 = new System.Windows.Forms.DataGrid();
            this.dataSet11 = new 圖書管理.DataSet1();
            this.label1 = new System.Windows.Forms.Label();
            this.label3 = new System.Windows.Forms.Label();
            this.label4 = new System.Windows.Forms.Label();
            this.label5 = new System.Windows.Forms.Label();
            this.txt2 = new System.Windows.Forms.TextBox();
            this.txt3 = new System.Windows.Forms.TextBox();
            this.txt4 = new System.Windows.Forms.TextBox();
            this.txt5 = new System.Windows.Forms.TextBox();
            this.groupBox3 = new System.Windows.Forms.GroupBox();
            this.checkBox2 = new System.Windows.Forms.CheckBox();
            this.checkBox1 = new System.Windows.Forms.CheckBox();
            this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
            this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
            this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
            this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
            this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
            this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
            this.groupBox3.SuspendLayout();
            this.SuspendLayout();
            // 
            // toolBar1
            // 
            this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] ...{
                                                                                        this.tBtnFirst,
                                                                                        this.tBtnPre,
                                                                                        this.tBtnNext,
                                                                                        this.tBtnLast,
                                                                                        this.tBtnNew,
                                                                                        this.tBtnEdit,
                                                                                        this.tBtnDelete,
                                                                                        this.tBtnSubmit,
                                                                                        this.tBtnCancel,
                                                                                        this.tBtnQuit});
            this.toolBar1.DropDownArrows = true;
            this.toolBar1.ImageList = this.imageList1;
            this.toolBar1.Location = new System.Drawing.Point(0, 0);
            this.toolBar1.Name = "toolBar1";
            this.toolBar1.ShowToolTips = true;
            this.toolBar1.Size = new System.Drawing.Size(568, 41);
            this.toolBar1.TabIndex = 32;
            this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
            // 
            // tBtnFirst
            // 
            this.tBtnFirst.ImageIndex = 0;
            this.tBtnFirst.Text = "首記錄";
            this.tBtnFirst.ToolTipText = "首記錄";
            // 
            // tBtnPre
            // 
            this.tBtnPre.ImageIndex = 1;
            this.tBtnPre.Text = "上一記錄";
            this.tBtnPre.ToolTipText = "上一記錄";
            // 
            // tBtnNext
            // 
            this.tBtnNext.ImageIndex = 2;
            this.tBtnNext.Text = "下一記錄";
            this.tBtnNext.ToolTipText = "下一記錄";
            // 
            // tBtnLast
            // 
            this.tBtnLast.ImageIndex = 3;
            this.tBtnLast.Text = "尾記錄";
            this.tBtnLast.ToolTipText = "尾記錄";
            // 
            // tBtnNew
            // 
            this.tBtnNew.ImageIndex = 4;
            this.tBtnNew.Text = "新增";
            this.tBtnNew.ToolTipText = "新增";
            // 
            // tBtnEdit
            // 
            this.tBtnEdit.ImageIndex = 5;
            this.tBtnEdit.Text = "修改";
            this.tBtnEdit.ToolTipText = "修改";
            // 
            // tBtnDelete
            // 
            this.tBtnDelete.ImageIndex = 6;
            this.tBtnDelete.Text = "刪除";
            this.tBtnDelete.ToolTipText = "刪除";
            // 
            // tBtnSubmit
            // 
            this.tBtnSubmit.ImageIndex = 7;
            this.tBtnSubmit.Text = "提交";
            this.tBtnSubmit.ToolTipText = "提交";
            // 
            // tBtnCancel
            // 
            this.tBtnCancel.ImageIndex = 8;
            this.tBtnCancel.Text = "取消";
            this.tBtnCancel.ToolTipText = "取消";
            // 
            // tBtnQuit
            // 
            this.tBtnQuit.ImageIndex = 9;
            this.tBtnQuit.Text = "退出";
            this.tBtnQuit.ToolTipText = "退出";
            // 
            // imageList1
            // 
            this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
            this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
            this.imageList1.TransparentColor = System.Drawing.SystemColors.ControlLightLight;
            // 
            // btnSearch
            // 
            this.btnSearch.Image = ((System.Drawing.Image)(resources.GetObject("btnSearch.Image")));
            this.btnSearch.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.btnSearch.Location = new System.Drawing.Point(16, 48);
            this.btnSearch.Name = "btnSearch";
            this.btnSearch.Size = new System.Drawing.Size(72, 23);
            this.btnSearch.TabIndex = 33;
            this.btnSearch.Text = " 搜索";
            this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
            // 
            // txt1
            // 
            this.txt1.Location = new System.Drawing.Point(168, 48);
            this.txt1.Name = "txt1";
            this.txt1.TabIndex = 34;
            this.txt1.Text = "";
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(112, 56);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(56, 16);
            this.label2.TabIndex = 35;
            this.label2.Text = "讀者類型";
            // 
            // dataGrid1
            // 
            this.dataGrid1.CaptionVisible = false;
            this.dataGrid1.DataMember = "";
            this.dataGrid1.DataSource = this.dataSet11.讀者類型;
            this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
            this.dataGrid1.Location = new System.Drawing.Point(0, 80);
            this.dataGrid1.Name = "dataGrid1";
            this.dataGrid1.ReadOnly = true;
            this.dataGrid1.Size = new System.Drawing.Size(552, 216);
            this.dataGrid1.TabIndex = 36;
            this.dataGrid1.Navigate += new System.Windows.Forms.NavigateEventHandler(this.dataGrid1_Navigate);
            // 
            // dataSet11
            // 
            this.dataSet11.DataSetName = "DataSet1";
            this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(32, 336);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(56, 16);
            this.label1.TabIndex = 37;
            this.label1.Text = "讀者類型";
            // 
            // label3
            // 
            this.label3.Location = new System.Drawing.Point(112, 336);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(80, 16);
            this.label3.TabIndex = 38;
            this.label3.Text = "可借圖書冊數";
            // 
            // label4
            // 
            this.label4.Location = new System.Drawing.Point(200, 336);
            this.label4.Name = "label4";
            this.label4.Size = new System.Drawing.Size(96, 16);
            this.label4.TabIndex = 39;
            this.label4.Text = "可借期刊冊數";
            // 
            // label5
            // 
            this.label5.Location = new System.Drawing.Point(296, 336);
            this.label5.Name = "label5";
            this.label5.Size = new System.Drawing.Size(96, 16);
            this.label5.TabIndex = 40;
            this.label5.Text = "允許續借次數";
            // 
            // txt2
            // 
            this.txt2.Location = new System.Drawing.Point(8, 360);
            this.txt2.Name = "txt2";
            this.txt2.ReadOnly = true;
            this.txt2.Size = new System.Drawing.Size(88, 21);
            this.txt2.TabIndex = 41;
            this.txt2.Text = "";
            // 
            // txt3
            // 
            this.txt3.Location = new System.Drawing.Point(112, 360);
            this.txt3.Name = "txt3";
            this.txt3.ReadOnly = true;
            this.txt3.Size = new System.Drawing.Size(80, 21);
            this.txt3.TabIndex = 42;
            this.txt3.Text = "";
            // 
            // txt4
            // 
            this.txt4.Location = new System.Drawing.Point(200, 360);
            this.txt4.Name = "txt4";
            this.txt4.ReadOnly = true;
            this.txt4.Size = new System.Drawing.Size(88, 21);
            this.txt4.TabIndex = 43;
            this.txt4.Text = "";
            // 
            // txt5
            // 
            this.txt5.Location = new System.Drawing.Point(296, 360);
            this.txt5.Name = "txt5";
            this.txt5.ReadOnly = true;
            this.txt5.TabIndex = 44;
            this.txt5.Text = "";
            // 
            // groupBox3
            // 
            this.groupBox3.Controls.Add(this.checkBox2);
            this.groupBox3.Controls.Add(this.checkBox1);
            this.groupBox3.Location = new System.Drawing.Point(16, 400);
            this.groupBox3.Name = "groupBox3";
            this.groupBox3.Size = new System.Drawing.Size(472, 48);
            this.groupBox3.TabIndex = 45;
            this.groupBox3.TabStop = false;
            this.groupBox3.Text = "借閱範圍";
            // 
            // checkBox2
            // 
            this.checkBox2.Location = new System.Drawing.Point(256, 16);
            this.checkBox2.Name = "checkBox2";
            this.checkBox2.TabIndex = 0;
            this.checkBox2.Text = "限制期刊";
            // 
            // checkBox1
            // 
            this.checkBox1.Location = new System.Drawing.Point(88, 16);
            this.checkBox1.Name = "checkBox1";
            this.checkBox1.TabIndex = 0;
            this.checkBox1.Text = "限制圖書";
            // 
            // sqlDataAdapter1
            // 
            this.sqlDataAdapter1.DeleteCommand = this.sqlDeleteCommand1;
            this.sqlDataAdapter1.InsertCommand = this.sqlInsertCommand1;
            this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;
            this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] ...{
                                                                                                      new System.Data.Common.DataTableMapping("Table", "讀者類型", new System.Data.Common.DataColumnMapping[] ...{
                                                                                                                                                                                                              new System.Data.Common.DataColumnMapping("類型", "類型"),
                                                                                                                                                                                                              new System.Data.Common.DataColumnMapping("圖書冊書", "圖書冊書"),
                                                                                                                                                                                                              new System.Data.Common.DataColumnMapping("期刊冊書", "期刊冊書"),
                                                                                                                                                                                                              new System.Data.Common.DataColumnMapping("續借次數", "續借次數"),
                                                                                                                                                                                                              new System.Data.Common.DataColumnMapping("限制圖書", "限制圖書"),
                                                                                                                                                                                                              new System.Data.Common.DataColumnMapping("限制期刊", "限制期刊")})});
            this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;
            // 
            // sqlDeleteCommand1
            // 
            this.sqlDeleteCommand1.CommandText = @"DELETE FROM 讀者類型 WHERE (類型 = @Original_類型) AND (圖書冊書 = @Original_圖書冊書 OR @Original_圖書冊書 IS NULL AND 圖書冊書 IS NULL) AND (期刊冊書 = @Original_期刊冊書 OR @Original_期刊冊書 IS NULL AND 期刊冊書 IS NULL) AND (續借次數 = @Original_續借次數 OR @Original_續借次數 IS NULL AND 續借次數 IS NULL) AND (限制圖書 = @Original_限制圖書 OR @Original_限制圖書 IS NULL AND 限制圖書 IS NULL) AND (限制期刊 = @Original_限制期刊 OR @Original_限制期刊 IS NULL AND 限制期刊 IS NULL)";
            this.sqlDeleteCommand1.Connection = this.sqlConnection1;
            this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_類型", System.Data.SqlDbType.VarChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "類型", System.Data.DataRowVersion.Original, null));
            this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_圖書冊書", System.Data.SqlDbType.SmallInt, 2, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "圖書冊書", System.Data.DataRowVersion.Original, null));
            this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_期刊冊書", System.Data.SqlDbType.SmallInt, 2, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "期刊冊書", System.Data.DataRowVersion.Original, null));
            this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_續借次數", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "續借次數", System.Data.DataRowVersion.Original, null));
            this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_限制圖書", System.Data.SqlDbType.Bit, 1, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "限制圖書", System.Data.DataRowVersion.Original, null));
            this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_限制期刊", System.Data.SqlDbType.Bit, 1, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "限制期刊", System.Data.DataRowVersion.Original, null));
            // 
            // sqlConnection1
            // 
            this.sqlConnection1.ConnectionString = "workstation id="W3-TEACHER";packet size=4096;integrated security=SSPI;data source" +
                "="W3-TEACHER";persist security info=False;initial catalog=book";
            // 
            // sqlInsertCommand1
            // 
            this.sqlInsertCommand1.CommandText = "INSERT INTO 讀者類型(類型, 圖書冊書, 期刊冊書, 續借次數, 限制圖書, 限制期刊) VALUES (@類型, @圖書冊書, @期刊冊書, @續借" +
                "次數, @限制圖書, @限制期刊); SELECT 類型, 圖書冊書, 期刊冊書, 續借次數, 限制圖書, 限制期刊 FROM 讀者類型 WHERE (類型 =" +
                " @類型)";
            this.sqlInsertCommand1.Connection = this.sqlConnection1;
            this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@類型", System.Data.SqlDbType.VarChar, 20, "類型"));
            this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@圖書冊書", System.Data.SqlDbType.SmallInt, 2, "圖書冊書"));
            this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@期刊冊書", System.Data.SqlDbType.SmallInt, 2, "期刊冊書"));
            this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@續借次數", System.Data.SqlDbType.Int, 4, "續借次數"));
            this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@限制圖書", System.Data.SqlDbType.Bit, 1, "限制圖書"));
            this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@限制期刊", System.Data.SqlDbType.Bit, 1, "限制期刊"));
            // 
            // sqlSelectCommand1
            // 
            this.sqlSelectCommand1.CommandText = "SELECT 類型, 圖書冊書, 期刊冊書, 續借次數, 限制圖書, 限制期刊 FROM 讀者類型 WHERE (類型 LIKE @parameter)";
            this.sqlSelectCommand1.Connection = this.sqlConnection1;
            this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@parameter", System.Data.SqlDbType.VarChar, 20, "類型"));
            // 
            // sqlUpdateCommand1
            // 
            this.sqlUpdateCommand1.CommandText = @"UPDATE 讀者類型 SET 類型 = @類型, 圖書冊書 = @圖書冊書, 期刊冊書 = @期刊冊書, 續借次數 = @續借次數, 限制圖書 = @限制圖書, 限制期刊 = @限制期刊 WHERE (類型 = @Original_類型) AND (圖書冊書 = @Original_圖書冊書 OR @Original_圖書冊書 IS NULL AND 圖書冊書 IS NULL) AND (期刊冊書 = @Original_期刊冊書 OR @Original_期刊冊書 IS NULL AND 期刊冊書 IS NULL) AND (續借次數 = @Original_續借次數 OR @Original_續借次數 IS NULL AND 續借次數 IS NULL) AND (限制圖書 = @Original_限制圖書 OR @Original_限制圖書 IS NULL AND 限制圖書 IS NULL) AND (限制期刊 = @Original_限制期刊 OR @Original_限制期刊 IS NULL AND 限制期刊 IS NULL); SELECT 類型, 圖書冊書, 期刊冊書, 續借次數, 限制圖書, 限制期刊 FROM 讀者類型 WHERE (類型 = @類型)";
            this.sqlUpdateCommand1.Connection = this.sqlConnection1;
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@類型", System.Data.SqlDbType.VarChar, 20, "類型"));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@圖書冊書", System.Data.SqlDbType.SmallInt, 2, "圖書冊書"));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@期刊冊書", System.Data.SqlDbType.SmallInt, 2, "期刊冊書"));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@續借次數", System.Data.SqlDbType.Int, 4, "續借次數"));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@限制圖書", System.Data.SqlDbType.Bit, 1, "限制圖書"));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@限制期刊", System.Data.SqlDbType.Bit, 1, "限制期刊"));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_類型", System.Data.SqlDbType.VarChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "類型", System.Data.DataRowVersion.Original, null));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_圖書冊書", System.Data.SqlDbType.SmallInt, 2, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "圖書冊書", System.Data.DataRowVersion.Original, null));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_期刊冊書", System.Data.SqlDbType.SmallInt, 2, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "期刊冊書", System.Data.DataRowVersion.Original, null));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_續借次數", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "續借次數", System.Data.DataRowVersion.Original, null));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_限制圖書", System.Data.SqlDbType.Bit, 1, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "限制圖書", System.Data.DataRowVersion.Original, null));
            this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_限制期刊", System.Data.SqlDbType.Bit, 1, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "限制期刊", System.Data.DataRowVersion.Original, null));
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(568, 478);
            this.Controls.Add(this.groupBox3);
            this.Controls.Add(this.txt5);
            this.Controls.Add(this.txt4);
            this.Controls.Add(this.txt3);
            this.Controls.Add(this.txt2);
            this.Controls.Add(this.label5);
            this.Controls.Add(this.label4);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.dataGrid1);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.btnSearch);
            this.Controls.Add(this.txt1);
            this.Controls.Add(this.toolBar1);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();
            this.groupBox3.ResumeLayout(false);
            this.ResumeLayout(false);

        }
        #endregion

        /**//// <summary>
        /// 應用程序的主入口點。
        /// </summary>
        [STAThread]
        static void Main() 
        ...{
            Application.Run(new Form1());
        }

        //--------------創建窗體時讀入全部數據--------------
        private void Form1_Load(object sender, System.EventArgs e)
        ...{
            this.sqlDataAdapter1.SelectCommand.Parameters[0].Value="%%";
            this.sqlConnection1.Open();
            this.sqlDataAdapter1.Fill(dataSet11);
            this.sqlConnection1.Close();
            //爲數據集添加數據項瀏覽控制
            cmOrders=(CurrencyManager) BindingContext[dataSet11,"讀者類型"];
        }


        private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
        ...{
            if (e.Button.ToolTipText == "首記錄")
            ...{
                this.dataGrid1.UnSelect(cmOrders.Position); //取消原選中的行
                cmOrders.Position = 0;
                this.dataGrid1.Select(cmOrders.Position); //選中當前行
                this.dataGrid1.CurrentRowIndex = cmOrders.Position; //移動表頭指示圖標
                return;
                
            }
            if (e.Button.ToolTipText == "上一記錄")
            ...{
                if (cmOrders.Position >= 0)
                ...{
                    this.dataGrid1.UnSelect(cmOrders.Position); 
                    cmOrders.Position--;
                    this.dataGrid1.Select(cmOrders.Position);      
                    this.dataGrid1.CurrentRowIndex = cmOrders.Position; 
                }
                return;
            }
            if (e.Button.ToolTipText == "下一記錄")
            ...{
                if (cmOrders.Position <= cmOrders.Count-1)
                ...{
                    this.dataGrid1.UnSelect(cmOrders.Position); 
                    cmOrders.Position++;
                    this.dataGrid1.Select(cmOrders.Position);       
                    this.dataGrid1.CurrentRowIndex = cmOrders.Position; 
                }
                return;
            }
            if (e.Button.ToolTipText == "尾記錄")
            ...{
                this.dataGrid1.UnSelect(cmOrders.Position); 
                cmOrders.Position = cmOrders.Count-1;
                this.dataGrid1.Select(cmOrders.Position);       
                this.dataGrid1.CurrentRowIndex = cmOrders.Position; 
                return;
            }
            if(e.Button.ToolTipText=="新增")
            ...{
                EditOrAdd="add";
                SetModifyMode(true);
                //設置默認值
                txt3.Text="1";
                txt4.Text="1";
                txt5.Text="1";
                }
            if(e.Button.ToolTipText=="修改")
            ...{
                EditOrAdd="edit";
                this.txt2.Text=this.dataSet11.Tables[0].Rows[this.dataGrid1.CurrentRowIndex][0].ToString().Trim();
                this.txt3.Text=this.dataSet11.Tables[0].Rows[this.dataGrid1.CurrentRowIndex][1].ToString().Trim();
                this.txt4.Text=this.dataSet11.Tables[0].Rows[this.dataGrid1.CurrentRowIndex][2].ToString().Trim();
                this.txt5.Text=this.dataSet11.Tables[0].Rows[this.dataGrid1.CurrentRowIndex][3].ToString().Trim();
                if(this.dataSet11.Tables[0].Rows[this.dataGrid1.CurrentRowIndex][4].ToString().Trim()=="True")
                ...{
    
                    this.checkBox1.Checked=true;
                }
                if(this.dataSet11.Tables[0].Rows[this.dataGrid1.CurrentRowIndex][5].ToString().Trim()=="True")
                ...{
                    this.checkBox2.Checked=true;
                }
                SetModifyMode(true);
            }
            if(e.Button.ToolTipText=="刪除")
            ...{
                    
                DialogResult result=MessageBox.Show("確認刪除？","刪除數據",MessageBoxButtons.OKCancel);
                if(result==DialogResult.OK)
                    if(cmOrders.Count>0)//立即從數據集中刪除
                    ...{
                        cmOrders.RemoveAt(cmOrders.Position);                        
                        this.sqlDataAdapter1.Update(dataSet11);
                    }
                    else
                        MessageBox.Show("表中爲空，已無可刪除數據","提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
//                if(MessageBox.Show("刪除的行不可恢復，你確定要刪除嗎？","警告",MessageBoxButtons.YesNo,MessageBoxIcon.Warning)==DialogResult.Yes)
//                {
//                    int ReCount=this.dataSet11.Tables["讀者類型"].Rows.Count;
//                    for(int i=0;i<ReCount;i++)
//                    {
//                        if(this.dataGrid1.IsSelected(i))
//                        {
//                            this.dataSet11.Tables["讀者類型"].Rows[i]["類型"]="*";
//                        }
//    
//                    }
//                    DataRow[] findRows=this.dataSet11.Tables["讀者類型"].Select("類型='*'");
//                    for(int i=0;i<findRows.Length;i++)
//                    {
//                        findRows[i].Delete();
//                        this.sqlDataAdapter1.Update(this.dataSet11,"讀者類型");
//                    }
//                    this.dataSet11.Tables["讀者類型"].AcceptChanges();
//                
//                }
            }
            if(e.Button.ToolTipText=="提交")
            ...{
                if(EditOrAdd=="add")
                ...{
                    if(txt2.Text.Trim()=="")//檢查非空字段
                    ...{
                        MessageBox.Show("類型名稱不能爲空","提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
                        return;
                    }                
                    DataRow newRow=this.dataSet11.Tables[0].NewRow();
                    newRow[0]=this.txt2.Text.ToString().Trim();
                    newRow[1]=this.txt3.Text.ToString().Trim();
                    newRow[2]=this.txt4.Text.ToString().Trim();
                    newRow[3]=this.txt5.Text.ToString().Trim();
                    if(this.checkBox1.Checked)
                    ...{
                        newRow[4]=1;
                    }
                    if(this.checkBox2.Checked)
                    ...{
                        newRow[5]=1;
                    }
                    this.dataSet11.Tables[0].Rows.Add(newRow);
                    //MessageBox.Show(this.dataSet11.Tables[0].Rows.Count.ToString());
                
                    if(dataSet11.GetChanges()!=null)
                    ...{
                        try
                        ...{
                            this.sqlDataAdapter1.Update(dataSet11);
                            SetModifyMode(false);
                        }
                        catch(Exception express)
                        ...{
                            MessageBox.Show(express.ToString(),"提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
                            dataSet11.RejectChanges();
                        }
                    }
                }
                else if(EditOrAdd=="edit")
                ...{
                    
                }
                EditOrAdd="";
                return;
            }

            if (e.Button.ToolTipText == "取消")
            ...{
                try
                ...{
                    cmOrders.CancelCurrentEdit();  //取消編輯
                    SetModifyMode(false);
                }
                catch(Exception express)
                ...{
                    MessageBox.Show(express.ToString(),"提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
                }
                return;
            }

            if(e.Button.ToolTipText=="退出")
            ...{
                this.Close();
            }
        }

        private void btnSearch_Click(object sender, System.EventArgs e)
        ...{
            this.sqlDataAdapter1.SelectCommand.Parameters[0].Value="%%";
            if(txt1.Text.Trim()!="")
            ...{
                this.sqlDataAdapter1.SelectCommand.Parameters[0].Value="%"+txt1.Text.Trim()+"%";
            }
            //清空數據表，並根據新設置的查詢參數重新填充
            dataSet11.讀者類型.Clear();
            this.sqlDataAdapter1.Fill(dataSet11);
        }
        private void SetModifyMode(bool blnEdit)
        ...{
            //設置文本框和下拉列表框屬性
            txt1.ReadOnly=!blnEdit;
            txt2.ReadOnly=!blnEdit;
            txt3.ReadOnly=!blnEdit;
            txt4.ReadOnly=!blnEdit;
            txt5.ReadOnly=!blnEdit;
            //設置搜索按鈕屬性
            btnSearch.Enabled=!blnEdit;
        }

        private void dataGrid1_Navigate(object sender, System.Windows.Forms.NavigateEventArgs ne)
        ...{
        
        }        
        }
    }