private void Page_Load(object sender, System.EventArgs e)
{
// 在此處放置用戶代碼以初始化頁面
if(!Page.IsPostBack)
{
showAll();
}
}
#region Web 窗體設計器生成的代碼
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 該調用是 ASP.NET Web 窗體設計器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <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.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
string keyw = this.txtKey.Text.Trim();
//關鍵字不空執行搜索
if(keyw !="")
{
SqlConnection conn = new SqlConnection();
conn.ConnectionString =
"Data Source=(local);user id=sa;password=;initial catalog=zc";
//按姓名搜索
SqlCommand cmd = new SqlCommand();
cmd.CommandText =
"Select ID, UserName,Userjg from user_info where UserName like '%"+ keyw +"%'";
cmd.Connection = conn;
//打開連接,執行操作,返回閱讀器
conn.Open();
SqlDataReader reader = cmd.ExecuteReader();
//綁定數據
this.myGrid.DataSource = reader;
this.myGrid.DataBind();
reader.Close();
conn.Close();
}
else
{
showAll();
}
}
void showAll()
{
SqlConnection conn = new SqlConnection();
conn.ConnectionString =
"Data Source=(local);user id=sa;password=;initial catalog=zc";
SqlCommand cmd = new SqlCommand();
cmd.CommandText =
"Select ID,UserName,Userjg from user_info";
//按姓名搜索
cmd.Connection = conn;
//打開連接,執行操作,返回閱讀器
conn.Open();
SqlDataReader reader = cmd.ExecuteReader();
//綁定數據
this.myGrid.DataSource = reader;
this.myGrid.DataBind();
reader.Close();
conn.Close();
}