car_user.aspx.cs

这个是用C#做底层开发车辆管理系统

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 car1
{
	/// <summary>
	/// car_user 的摘要说明。
	/// </summary>
	public class car_user : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid user;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(Session["S_username"].ToString()=="")
			{
				Response.Redirect("index.aspx");
			}
			
			if(Session["S_userrule"].ToString()=="")
			{
				Response.Redirect("main1.aspx");
			}
			//if(!Page.IsPostBack)
				userBind();// 在此处放置用户代码以初始化页面
		}
		private void userBind()
		{
		string SqlConn=System.Configuration.ConfigurationSettings.AppSettings["ConnString"];
			SqlConnection Conn=new SqlConnection(SqlConn);
			Conn.Open();
			DataSet ds=new DataSet();
			string SqlStr1="select id,name,username,part,mobile,userrule  from [user]";
			SqlDataAdapter dr=new SqlDataAdapter(SqlStr1,Conn);
			dr.Fill(ds,"user");
			user.DataSource=ds.Tables["user"].DefaultView;
			user.DataBind();
			user.Columns[0].Visible=false;
			Conn.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.user.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.user_ItemCreated);
			this.user.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.user_PageIndexChanged);
			this.user.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.user_DeleteCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void user_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
		user.CurrentPageIndex=e.NewPageIndex;
			user.DataBind();
		}

		private void user_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			if(user.Items.Count==1)
			{
				if(user.CurrentPageIndex!=0)
				{
					user.CurrentPageIndex=user.CurrentPageIndex-1;
				}
			}
			else
			{
				string SqlStr2="delete [user] where id="+e.Item.Cells[0].Text+"";
				string SqlConn=System.Configuration.ConfigurationSettings.AppSettings["ConnString"];
				SqlConnection Conn=new SqlConnection(SqlConn);
				Conn.Open();
				SqlCommand Comm=new SqlCommand(SqlStr2,Conn);
				Comm.ExecuteReader();
				Conn.Close();}
			Response.Redirect("car_user.aspx");
		}

		private void user_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;
				myTableCell=e.Item.Cells[6];
				LinkButton btnDel=(LinkButton)myTableCell.Controls[0];
				btnDel.Attributes.Add("onclick","return confirm('您确定要删除这条用户信息吗?');");
				btnDel.Text="删除";

			}
		}

		
	}
}