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Login.aspx.cs
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Login.aspx.cs
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// UI_Login class version 1.0
// =================================
// Copyright (C) 2010 yang haichuan
// 作者: 杨海川
// Email: yanghaichuan@live.cn
// 最后修改时间: 2010 - 12 - 11
// 检查者: 陈兵
// 最后检查时间: 2010 - 12 -11
// =================================
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.Configuration;
using System.Linq;
using DT;
using LAS.DAL;
public partial class UI_Login : System.Web.UI.Page
{
private const string PERSONALPAGE="assistant/Personal.aspx";
private const string NEWSEDITPAGE="administor/NewsEdit.aspx";
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnLogin_Click(object sender, EventArgs e)
{
if (isIdOrPwdEmpty())
{
lblMessage.Text = "用户名或密码不能为空!";
return;
}
if(!isPwdCorrect(txtUserName.Text,txtPassword.Text))
{
lblMessage.Text = "密码或用户名错误";
return;
}
logIn(txtUserName.Text);
if (Session["userId"].ToString()=="admin")
Response.Redirect(NEWSEDITPAGE);
else
Response.Redirect(PERSONALPAGE);
}
protected void logIn(string id)
{
Session["userId"] = id;
}
protected bool isIdOrPwdEmpty()
{
if (string.IsNullOrEmpty(txtUserName.Text) || string.IsNullOrEmpty(txtPassword.Text))
{
return true;
}
else
return false;
}
protected bool isPwdCorrect(string id,string pwd)
{
DataClassesDataContext db=new DataClassesDataContext();
try
{
Assistants a = db.Assistants.First(ass => ass.ID == id);
if (a.password == pwd)
return true;
else
return false;
}
catch (Exception)
{
return false;
}
}
}