index.aspx.cs

基于Asp.net、MS sql sever 2000、C# 汽车交易系统源码

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 WebDataAccess;


namespace Market.Admin
{
	/// <summary>
	/// write by yangyun
	/// 
	/// 2003-12-30
	/// </summary>
	public class index : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox UserNameTxt;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.TextBox UserPassTxt;

		public int CheckNum;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Button Button3;

        public DataTable GetUserInfoDt=new DataTable();


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

		#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.Button3.Click += new System.EventHandler(this.Button3_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			DataAccess MarketBase=new DataAccess();


			if(UserNameTxt.Text==""||UserPassTxt.Text=="")
			{


				Response.Write("<script language='javascript'>alert('请你务必填写管理员的用户名和密码！')</script>");

			}
			else
			{

			
				SqlConnection conn=new SqlConnection(MarketBase.SqlBase);

				try
				{

					conn.Open();
	
					GetUserInfoDt=MarketBase.DisPLayList_Dt("select * from admin where adminname='"+UserNameTxt.Text+" 'and adminpass= '"+UserPassTxt.Text+"'",conn);
                    
					CheckNum=GetUserInfoDt.Rows.Count;


					if(CheckNum==1)
					{
						Response.Write("<script language='javascript'>alert('登陆成功！！！！')</script>");


						Session["AdminName"]=GetUserInfoDt.Rows[0]["adminname"].ToString();


						Session["AdminPass"]=GetUserInfoDt.Rows[0]["adminpass"].ToString();



						//((SessionUserDt)(Session["User"])).UserPassWord=userpasswordtxt.Text;

						Response.Redirect("admin.aspx");

					}

						//typConn.Open();
						//typComm.ExecuteNonQuery();
						//typConn.Close();
						//upApplicatio();
						//Dats();				
						//Response.Write(sSql11);

						//Response.Write("<script language='javascript'>alert('操作成功')</script>");]
					else
					{
						Response.Write("<script language='javascript'>alert('登陆失败！请与数据管理员联系！')</script>");

						Server.Transfer("index.aspx");

					}


					
				}

				catch(SqlException err)
				{
		           
					Response.Write("<script language='javascript'>alert('"+err.Message +"')</script>");
	          
				}
			}

		}

		private void Button3_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("../index.aspx");

		}

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