users.aspx.cs

用ASP.NET做的人事管理系统,主要处理公司雇员的人事信息.

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
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.Configuration;

namespace PMS
{
	/// <summary>
	/// users 的摘要说明。
	/// </summary>
	public class users : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid Dgd_userinformation;
		protected System.Web.UI.WebControls.TextBox Tbx_uid;
		protected System.Web.UI.WebControls.Label Lbl_show;
		protected System.Web.UI.WebControls.Button Btn_search;
		protected System.Web.UI.WebControls.Button Btn_add;
	    SqlConnection cn;
		private void Page_Load(object sender, System.EventArgs e)
		{
			//判断用户是否为合法用户
			try
				{
					if(Session["userpower"].ToString ()=="1") ;
					else
					{						
						Response.End ();						
					}
				}
				catch
				{
					Response.Write ("您不是合法用户，请登录后再操作，<a href='default.aspx'>返回</a>");
					Response.End ();
				}
			// 在此处放置用户代码以初始化页面
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			cn=new SqlConnection(strconn);
			if(!IsPostBack)
			{
				Bindgrid();
			}
		}

		#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.Btn_search.Click += new System.EventHandler(this.Btn_search_Click);
			this.Btn_add.Click += new System.EventHandler(this.Btn_add_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		public void DataGrid_cancel(object sender,DataGridCommandEventArgs e)
		{
			Dgd_userinformation.EditItemIndex=-1;
			Bindgrid();
		}
		public void DataGrid_edit(object sender,DataGridCommandEventArgs e)
		{
			Dgd_userinformation.EditItemIndex=(int)e.Item.ItemIndex;
			Bindgrid();
		}
		public void DataGrid_update(object sender,DataGridCommandEventArgs e)
		{
			string strsql="update users set UID=@uid,UPassword=@password,UPower=@kind where ID=@userid";
			SqlCommand cm=new SqlCommand(strsql,cn);
			cm.Parameters.Add(new SqlParameter("@uid",SqlDbType.VarChar,50));
			cm.Parameters.Add(new SqlParameter("@password",SqlDbType.VarChar,50));
			cm.Parameters.Add(new SqlParameter("@kind",SqlDbType.Int,4));
			cm.Parameters.Add(new SqlParameter("@userid",SqlDbType.BigInt,8));
			string colvalue=((TextBox)e.Item.Cells[3].Controls[0]).Text;
			cm.Parameters["@uid"].Value=colvalue;
			colvalue=((TextBox)e.Item.Cells[4].Controls[0]).Text;
			cm.Parameters["@password"].Value=colvalue;
			colvalue=((TextBox)e.Item.Cells[5].Controls[0]).Text;
			cm.Parameters["@kind"].Value=colvalue;
			cm.Parameters["@userid"].Value=Dgd_userinformation.DataKeys[(int)e.Item.ItemIndex];
			cm.Connection.Open();
			try
			{
				cm.ExecuteNonQuery();
				Lbl_show.Text="编辑成功";
				Dgd_userinformation.EditItemIndex=-1;
			}
			catch(SqlException)
			{
				Lbl_show.Text="编辑失败，请检查输入！";
				Lbl_show.Style["color"]="red";
			}
			cm.Connection.Close();
			Bindgrid();
		}
		
		public void DataGrid_delete(object sender,DataGridCommandEventArgs e)
		{
			string strsql="delete from users where ID=@userid";
			SqlCommand cm=new SqlCommand(strsql,cn);
			cm.Parameters.Add(new SqlParameter("@userid",SqlDbType.BigInt,8));
			cm.Parameters["@userid"].Value=Dgd_userinformation.DataKeys[(int)e.Item.ItemIndex];
			cm.Connection.Open();
			try
			{
				cm.ExecuteNonQuery();
				Lbl_show.Text="删除成功";
				
			}
			catch(SqlException)
			{
				Lbl_show.Text="删除失败";
				Lbl_show.Style["color"]="red";
			}
			cm.Connection.Close();
			Bindgrid();
		}
		public  void Bindgrid()
		{
			SqlDataAdapter da=new SqlDataAdapter("select * from users",cn);
			DataSet ds=new DataSet();
			da.Fill(ds);
			Dgd_userinformation.DataSource=ds;
			Dgd_userinformation.DataBind();
		}


		private void Btn_search_Click(object sender, System.EventArgs e)
		{
			string strsql="select * from users where UID=@uid";
			SqlCommand cm=new SqlCommand(strsql,cn);
			cm.Parameters.Add(new SqlParameter("@uid",SqlDbType.VarChar,50));
			cm.Parameters["@uid"].Value=Tbx_uid.Text;
			cn.Open();
			SqlDataReader dr=cm.ExecuteReader();
			Dgd_userinformation.DataSource=dr;
			Dgd_userinformation.DataBind();
            cn.Close();
		}

		private void Btn_add_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("addusers.aspx");
		}
	}
}