using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
namespace 我的通訊錄
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
DataBinding();
}
private BindingManagerBase myBind;
private void ClearTest()
{
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
textBox4.Text = "";
}
private void DataBinding()
{
this.oleDbDataAdapter1.Fill(this.dataSet1,"information");
this.textBox1.DataBindings.Add("Text",this.dataSet1,"information.姓名");
this.textBox2.DataBindings.Add("Text", this.dataSet1, "information.年齡");
this.textBox3.DataBindings.Add("Text", this.dataSet1, "information.電話");
this.textBox4.DataBindings.Add("Text", this.dataSet1, "information.電子郵件");
myBind=this.BindingContext[this.dataSet1,"information"];
}
private void button1_Click(object sender, EventArgs e)
{
this.myBind.Position = 0;
}
private void oleDbDataAdapter1_RowUpdated(object sender, OleDbRowUpdatedEventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
if(this.myBind.Position==0)
{
MessageBox.Show("沒有前一個記錄了","警告",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
else
{
this.myBind.Position--;
}
}
private void button3_Click(object sender, EventArgs e)
{
if (this.myBind.Position == this.myBind.Count - 1)
{
MessageBox.Show("沒有後一條記錄了", "警告", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
this.myBind.Position++;
}
}
private void button5_Click(object sender, EventArgs e)
{
this.ClearTest();
}
private void button7_Click(object sender, EventArgs e)
{
try
{
if (this.textBox1.Text != "" & this.textBox2.Text != "" & this.textBox3.Text != "" & this.textBox4.Text != "")
{
string insert = " INSERT INTO information( 姓名,年齡,電話,電子郵件) VALUES( '" + this.textBox1.Text + "','" + this.textBox2.Text + "','" + this.textBox3.Text + "','" + this.textBox4.Text + "')";
OleDbCommand comm = new OleDbCommand();
comm.CommandText = insert;
comm.Connection = this.oleDbConnection1;
this.oleDbConnection1.Open();
comm.ExecuteNonQuery();
this.oleDbConnection1.Close();
this.dataSet1.Tables["information"].Rows[this.myBind.Position].BeginEdit();
this.dataSet1.Tables["information"].Rows[this.myBind.Position].EndEdit();
this.dataSet1.AcceptChanges();
MessageBox.Show("添加記錄成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("請將字段信息輸入完整", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception error)
{
MessageBox.Show("添加記錄發生錯誤："+error.Message,"提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
if (this.oleDbConnection1.State == ConnectionState.Open)
{
this.oleDbConnection1.Close();
}
}
}
private void button8_Click(object sender, EventArgs e)
{
if(MessageBox.Show("是否刪除記錄"," 提示",MessageBoxButtons.OKCancel,MessageBoxIcon.Information)==DialogResult.OK)
try
{
string delete = "DELETE From information WHERE 姓名='"+ this.textBox1.Text +"'";
OleDbCommand comm = new OleDbCommand();
comm.CommandText = delete;
comm.Connection = this.oleDbConnection1;
this.oleDbConnection1.Open();
comm.ExecuteNonQuery();
this.oleDbConnection1.Close();
this.dataSet1.Tables["information"].Rows[this.myBind.Position].Delete();
this.dataSet1.AcceptChanges();
MessageBox.Show(" 刪除記錄成功","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
catch(Exception error)
{
MessageBox.Show("刪除記錄發生錯誤:"+error.Message,"提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
if (this.oleDbConnection1.State == ConnectionState.Open)
{
this.oleDbConnection1.Close();
}
}
}
private void button6_Click(object sender, EventArgs e)
{
try
{
if (this.textBox1.Text != "" & this.textBox2.Text != "" & this.textBox3.Text != "" & this.textBox4.Text != "")
{
string ModiString;
ModiString = "Update information Set 姓名='" + textBox1.Text + "'";
ModiString = ModiString + ",年齡='" + textBox2.Text + "'";
ModiString = ModiString + ",電話='" + textBox3.Text + "'";
ModiString = ModiString + ",電子郵件='" + textBox4.Text + "'";
OleDbCommand comm = new OleDbCommand();
comm.CommandText = ModiString + "where 姓名='" + textBox1.Text + "'";
comm.Connection = this.oleDbConnection1;
this.oleDbConnection1.Open();
comm.ExecuteNonQuery();
this.oleDbConnection1.Close();
this.dataSet1.Tables["information"].Rows[this.myBind.Position].BeginEdit();
this.dataSet1.Tables["information"].Rows[this.myBind.Position].EndEdit();
this.dataSet1.AcceptChanges();
MessageBox.Show("修改記錄成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.oleDbDataAdapter1.Fill(this.dataSet1, "information");
}
else
{
MessageBox.Show("請將字段信息輸入完整","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
catch(Exception error)
{
MessageBox.Show("修改記錄發生錯誤:"+error.Message,"提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
if (this.oleDbConnection1.State == ConnectionState.Open)
{
this.oleDbConnection1.Close();
}
}
}
private void button4_Click(object sender, EventArgs e)
{
if (this.myBind.Position == this.myBind.Count-1)
{
MessageBox.Show("沒有後一條記錄了", "警告", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
this.myBind.Position++;
}
}
private void button9_Click(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
}
}