enter.aspx.cs

网络学生家教招聘系统.使用ASP.NET环境+C#开发。功能完备。代码扩展方便。

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace PeopleInfo
{
	/// <summary>
	/// WebForm2 的摘要说明。
	/// </summary>
	public class WebForm2 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtUser;
		protected System.Web.UI.WebControls.TextBox txtPassword;
		protected System.Web.UI.WebControls.Label lblMessage;
		protected System.Web.UI.WebControls.Button btnEnter;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			DataPage.DataPage.DataPageDeclare(this.Session,"Enter.aspx",false);
		}

		#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.btnEnter.Click += new System.EventHandler(this.btnEnter_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnEnter_Click(object sender, System.EventArgs e)
		{
			string User;
			string Password;
			SqlConnection conn;
			SqlCommand cmd;
			SqlDataReader reader;

			User=txtUser.Text.Trim();
			Password=txtPassword.Text.Trim();;
			conn=new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnString"]);
			cmd=new SqlCommand("SELECT * FROM Assistance WHERE MyUser='"+User+"'",conn);

			conn.Open();
			reader=cmd.ExecuteReader();
			reader.Read();
			if(!reader.HasRows)
			{
				lblMessage.Text="用户名不存在";
			}
			else
			{
				if(!Password.Equals(reader.GetString(0).Trim()))
				{
					lblMessage.Text="密码错误";
				}
				else
				{
					Session["User"]=User;
					Session["AssistanceName"]=reader.GetString(1);
					Session["Power"]=reader.GetByte(3);
					Response.Redirect("Welcome.aspx");
				}
			}
			conn.Close();
		}
	}
}