usershow.aspx.cs

这是一个网站

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;
using System.Configuration;

namespace WareStore.UserBusiness
{
	/// <summary>
	/// UserShow 的摘要说明。
	/// </summary>
	public class UserShow : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.LinkButton LinkButton2;
		protected System.Web.UI.WebControls.LinkButton LinkButton3;
		protected System.Web.UI.WebControls.LinkButton LinkButton4;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			
			if(!IsPostBack)
				BindGrid();
			ShowStats();
			// 在此处放置用户代码以初始化页面
		}

		private void BindGrid()
		{
            string str=ConfigurationSettings.AppSettings["dsn"];
			SqlConnection cn=new SqlConnection(str);
			SqlDataAdapter da=new SqlDataAdapter("UserShow",cn);

			DataSet ds=new DataSet();
			da.Fill(ds);
			this.DataGrid1.DataSource=ds;
			this.DataGrid1.DataBind();
			cn.Close();
		}

		#region Web 窗体设计器生成的代码
		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.DataGrid1.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemCreated);
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
			this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
			this.DataGrid1.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);
			this.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
			this.LinkButton2.Click += new System.EventHandler(this.LinkButton2_Click);
			this.LinkButton3.Click += new System.EventHandler(this.LinkButton3_Click);
			this.LinkButton4.Click += new System.EventHandler(this.LinkButton4_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}

		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
		    this.DataGrid1.EditItemIndex=e.NewPageIndex;
			BindGrid();
		}

		private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			//如果是数据项并且是交替项
			if(e.Item.ItemType == ListItemType.Item  || e.Item.ItemType == ListItemType.AlternatingItem)
			{
				//添加自定义属性，当鼠标移过来时设置该行的背景色为"6699ff",并保存原背景色
				e.Item.Attributes.Add("onmouseover","currentcolor=this.style.backgroundColor;this.style.backgroundColor='#6699ff'");
				//添加自定义属性，当鼠标移走时还原该行的背景色
				e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=currentcolor");
              

				LinkButton l=(LinkButton)e.Item.Cells[6].Controls[0];
				DataRowView drv=(DataRowView)e.Item.DataItem;
				l.Attributes.Add("onclick","javascript:return confirm('您真的要删除"+drv.Row.ItemArray[1]+"?');");
            
			
			} 
		}

		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
		    string str=ConfigurationSettings.AppSettings["dsn"];
            SqlConnection cn=new SqlConnection(str);
			cn.Open();
			SqlCommand cmd=new SqlCommand("UserDelete",cn);
			cmd.CommandType=CommandType.StoredProcedure;

			cmd.Parameters.Add("@Uid",SqlDbType.VarChar);

			cmd.Parameters["@Uid"].Value=e.Item.Cells[1].Text.ToString();//
			cmd.ExecuteNonQuery();
			this.DataGrid1.EditItemIndex=-1;
			BindGrid();
		}

		private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem || e.Item.ItemType==ListItemType.EditItem)
			{
				/*
				TableCell myTableCell;
				//定义对“删除”单元格的引用

				myTableCell = e.Item.Cells[6];
				//定义对“删除”单元格中控件的引用

				LinkButton btnDel = (LinkButton)myTableCell.Controls[0];//
				//添加当单击时弹出确认对话框的自定义属性

				btnDel.Attributes.Add("onclick", "return confirm('您真的要删除此行吗？');");
				//				btnDel.Text = "删除";
				
				*/


				
			}
		}
		private void ShowStats()
		{
			Label2.Text="第"+ (this.DataGrid1.CurrentPageIndex+1 ).ToString()+"页";
			this.Label1.Text="总共"+this.DataGrid1.PageCount.ToString()+"页";
		}

		private void LinkButton1_Click(object sender, System.EventArgs e)
		{
			this.DataGrid1.CurrentPageIndex=System.Convert.ToInt32("0");
			ShowStats();
			BindGrid();
		}

		private void LinkButton2_Click(object sender, System.EventArgs e)
		{
			if(this.DataGrid1.CurrentPageIndex>0)
			{
				this.DataGrid1.CurrentPageIndex-=1;
			}
			ShowStats();//
			BindGrid();
		}

		private void LinkButton3_Click(object sender, System.EventArgs e)
		{
			if(this.DataGrid1.CurrentPageIndex<(this.DataGrid1.PageCount-1))
			{
				this.DataGrid1.CurrentPageIndex+=1;
			}
			ShowStats();
			BindGrid();
		}

		private void LinkButton4_Click(object sender, System.EventArgs e)
		{
			this.DataGrid1.CurrentPageIndex=this.DataGrid1.PageCount-1;
			ShowStats();
			BindGrid();
		}
	}
}