login.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;

public partial class login : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBackEventControlRegistered)
        {
            
        }
    }
    protected void loginbtn_Click(object sender, EventArgs e)
    {
        string sqlstr = "select qx from j_user where username=@username and password=@password";
        DataTable dt = SQLHelper.ExecteTable(sqlstr, new SqlParameter("@username", this.username.Text), new SqlParameter("@password", this.password.Text));
        if (dt.Rows.Count == 0)
        {
            JScript.JScript.Alert("用户名或密码错误不正确！");
        }
        else if( Int32.Parse( dt.Rows[0][0].ToString())==0)
        {
            Session["username"] = this.username.Text.Trim();
            Response.Redirect("main.html"); 
        }
        else if (Int32.Parse(dt.Rows[0][0].ToString()) == 1)
        {
            JScript.JScript.Alert("工资管理员！");
        }
        else
        {
            JScript.JScript.Alert("人力管理员！");
        }
    }
}