webform1.aspx.cs

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace class_kinghome
{
	/// <summary>
	/// WebForm11 的摘要说明。
	/// </summary>
	public class WebForm11 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox ifnull;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
	
		public void Page_Load(object sender, System.EventArgs e)
		{   
			
			  DataGrid1.PagerStyle.Visible=true;
			BindGrid();
		}
	 public	void Grid1_Page(Object sender, DataGridPageChangedEventArgs e)
		{
		 DataGrid1.CurrentPageIndex = e.NewPageIndex;

			BindGrid();
		}
	public	void BindGrid()
		{
			SqlConnection Con = new SqlConnection("Data Source=HARMONY-HSJ;Initial Catalog=Northwind;User ID=hsj;Pwd=hsj;");
			SqlDataAdapter Cmd;
			Cmd=new SqlDataAdapter("Select * From Customers",Con);
			DataSet ds=new DataSet();
			Cmd.Fill(ds,"Customers");
			//第三步：将数据集合同DataGrid结合在一起
			DataGrid1.DataSource=ds.Tables["Customers"].DefaultView;
			DataGrid1.DataBind();
			
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </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 a="my name is huangsj;";
			string b=a.Remove (a.Length-3,3);
				Label1.Text=b;
		}
	}
}