adminthree.aspx.cs

考勤系统

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.OleDb;

namespace KaoQin
{
	/************************
	 * 查看员工信息窗体     *
	 * **********************/
	public class adminThird : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.DataGrid data;
		protected System.Data.DataSet ds;
		protected System.Data.OleDb.OleDbConnection con;
		protected System.Data.OleDb.OleDbCommand com;
		protected System.Data.OleDb.OleDbDataAdapter da;
	
		/****************************
		 * 加载页面时执行此方法
		 * **************************/
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(System.Convert.ToString(Session["admin"]).Equals(""))
			{
				Response.Redirect("admin.aspx");
			}
			else
			{
				string strcon="Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+Server.MapPath("message.mdb")+";User Id=admin;Password=;";
				con=new OleDbConnection(strcon);
				if(!IsPostBack)
				{
					bind();
				}
			}
		}

		#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.data.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.data_PageIndexChanged);
			this.data.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.data_EditCommand);
			this.data.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.data_DeleteCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		/***********************************
		 * 对页面进行翻页时执行此方法
		 * *********************************/
		private void data_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			data.CurrentPageIndex=e.NewPageIndex;
			bind();
		}

		private void data_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string id=(string)data.DataKeys[(int)e.Item.ItemIndex];
			string delSql="delete from usermessage where id='"+id+"'";
			con.Open();
			com=new OleDbCommand(delSql,con);
			com.ExecuteNonQuery();
			com.Dispose();
			con.Close();
			bind();
		}

		public void bind()
		{
			ds=new DataSet();
			string sql="select * from usermessage";
			con.Open();
			da=new OleDbDataAdapter(sql,con);
			da.Fill(ds,"user");
			da.Dispose();
			con.Close();
			data.DataSource=ds.Tables["user"].DefaultView;
			data.DataBind();
		}

		private void data_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			Session["id"]=data.DataKeys[(int)e.Item.ItemIndex];
			Response.Redirect("adminSix.aspx");
		}
	}
}