userstatus.ascx.cs

来自「网上书店系统由两部分组成:购书网站和订单处理中心。其中购书网站是一个Web应用程」· CS 代码 · 共 128 行

namespace Bookshop
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using System.Data.OleDb;
	using System.Collections;

	/// <summary>
	///		UserStatus 的摘要说明。
	/// </summary>
	public class UserStatus : System.Web.UI.UserControl
	{
		protected System.Web.UI.WebControls.Panel Panel1;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Button Button3;
		protected System.Web.UI.WebControls.Button Button4;
		protected System.Web.UI.WebControls.Panel Panel2;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if( Session["uid"] == null )
			{
				Panel1.Visible = true;
				Panel2.Visible = false;
			}
			else
			{
				Panel1.Visible = false;
				Panel2.Visible = true;
				Label2.Text = "<li>Welcome [" + Session["uname"] + "] to Bookshop!";
			}
		}

		#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.Button4.Click += new System.EventHandler(this.Button4_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			string name = TextBox1.Text;
			string psw = TextBox2.Text;
			Label1.Text = "";
			string connectText = System.Configuration.ConfigurationSettings.AppSettings["connString"];
			string commandText = "Select * from Users where uname=\'" + name.Trim().Replace("\'", "\"") + "\'";
			Label1.Text = commandText;
			OleDbDataReader myReader = OleDbConn.ExecuteReader( commandText );
			if(!myReader.Read())
			{
				Label1.Text = "<li>The user isn't existed!";
			}
			else
			{
				if( psw.Trim().Replace( "\'", "\"" ).Equals( myReader["upsw"] ) )
				{					
					Session.Add( "uid", myReader["uid"] );
					Session.Add( "uname", myReader["uname"] );
					ArrayList bookCart = new ArrayList();
					Panel1.Visible = false;
					Panel2.Visible = true;
					Session.Add( "bookCart", bookCart );
					//Label2.Text = "<li>Welcome [" + Session["uname"] + "] to shopping! Check your Shopping Cart";
					string[] temp = Request.Url.ToString().Split('/');
					Response.Write( "<meta http-equiv=\'refresh\' content=\'0;url=" + temp[temp.Length-1] + "\'>" );
				}
				else
				{
					Label1.Text = "<li>Password error!";
				}
			}
			myReader.Close();
			OleDbConn.CloseConn();
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
			Response.Write( "<script language=javascript>window.open(\'Register.aspx\',0,\'scrollbar=yes,width=350,height=200\');</script>" );
			string[] temp = Request.Url.ToString().Split('/');
			Response.Write( "<meta http-equiv=\'refresh\' content=\'0;url=" + temp[temp.Length-1] + "\'>" );
		}

		private void Button3_Click(object sender, System.EventArgs e)
		{
			Session.Clear();
			string[] temp = Request.Url.ToString().Split('/');
			Response.Write( "<meta http-equiv=\'refresh\' content=\'0;url=" + temp[temp.Length-1] + "\'>" );
		}

		private void Button4_Click(object sender, System.EventArgs e)
		{
			Response.Write( "<script language=javascript>window.open(\'changePsw.aspx?uname="+Session["uname"]+" \',0,\'scrollbar=yes,width=550,height=350\');</script>" );
			string[] temp = Request.Url.ToString().Split('/');
			Response.Write( "<meta http-equiv=\'refresh\' content=\'0;url=" + temp[temp.Length-1] + "\'>" );
			
		}
	}
}