login.aspx.cs

简单的岗位考评程序．报表＼查询功能齐全． 窗体是根据数据库中的数据动态生成．

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 gwpj
{
	/// <summary>
	/// login 的摘要说明。
	/// </summary>
	public class login : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Image Image2;
		protected System.Web.UI.WebControls.Image Image1;
		protected System.Web.UI.WebControls.Image Image3;
		protected System.Web.UI.WebControls.Image Image4;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.TextBox username;
		protected System.Web.UI.WebControls.TextBox password;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Image Image5;
		protected System.Web.UI.WebControls.Image Image6;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#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.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			SqlConnection cnn=new SqlConnection(ConfigurationSettings.AppSettings["connstring"]);
			cnn.Open();
			string sql="select staff_code,password from evaluate_staff where staff_code='"+this.username.Text+"'";
			SqlCommand cmd=new SqlCommand(sql,cnn);
			SqlDataReader dr=cmd.ExecuteReader();
			if(dr.Read())
			{
				dr.Close();
				cmd.CommandText="select staff_code,password,is_admin from evaluate_staff where staff_code='"+this.username.Text+"' and password='"+this.password.Text+"'";
				dr=cmd.ExecuteReader();
				if(dr.Read())
				{
					Session["staff_code"]=dr.GetValue(0).ToString();
					Session["password"]=dr.GetValue(1).ToString();
					Session["is_admin"]=dr.GetValue(2).ToString();
//					if(dr.GetValue(2).ToString()=="SYSTEM")
//					{
//						//						Response.Write("<script>window.opener=null;window.close();window.open('index.aspx')</script>");
//						Response.Redirect("index.aspx");
//					}
//					else
//					{
//						role();
//					}
					Response.Redirect("main.htm");
					cmd.Dispose();
					cnn.Close();
				}
				else
				{
					Response.Write("<script>alert('密码错误!')</script>");
					this.password.Text="";
				}
			}
			else
			{
				dr.Close();
				Response.Write("<script>alert('登陆帐户错误！')</script>");
			}
			cmd.Dispose();
			cnn.Close();
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
		
		}
	}
}