Web/login.aspx.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Maticsoft.Common;
using System.Text;
using System.Data.SqlClient;
using System.Data;

namespace Maticsoft.Web
{
    public partial class login : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string uname = Request.Form["username"];
            string pwd = Request.Form["password"];
            string role = this.DropDownList1.SelectedValue;



            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 id,uname,pwd,name1,tel,address,roles from admins ");
            strSql.Append(" where uname=@uname and pwd=@pwd and roles=@roles ");
            SqlParameter[] parameters = {
						new SqlParameter("@uname", SqlDbType.VarChar,50),
					new SqlParameter("@pwd", SqlDbType.VarChar,50),
					new SqlParameter("@roles", SqlDbType.VarChar,50)
};
            parameters[0].Value = uname;
            parameters[1].Value = pwd;
            parameters[2].Value = role;

         
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                Session["id"] = ds.Tables[0].Rows[0]["id"].ToString();
                Session["name"] = ds.Tables[0].Rows[0]["name1"].ToString();
                Session["power"] = ds.Tables[0].Rows[0]["roles"].ToString();

                Response.Redirect("index.html");

            }
            else
            {
                MessageBox.Show(this, "用户名或密码错误，请重新输入！");
            }
          
          
        }

        /// <summary>
        /// 角色选择