default.aspx.cs

这是一个管理系统的源码

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;

namespace Service
{
	/// <summary>
	/// Summary description for Default.
	/// </summary>
	public partial class Default : System.Web.UI.Page
	{
	
		protected void Page_Load(object sender, System.EventArgs e)
		{
			//
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{ 
			this.LoginBtn.Click += new System.Web.UI.ImageClickEventHandler(this.LoginBtn_Click);
			this.CancelBtn.Click += new System.Web.UI.ImageClickEventHandler(this.CancelBtn_Click);
			this.RegisterBtn.Click += new System.Web.UI.ImageClickEventHandler(this.RegisterBtn_Click);

		}
		#endregion

		private void LoginBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			UserDB user = new UserDB();

			if(AdminName.Text.Trim().Length > 0 && Password.Text.Trim().Length > 0)
			{
				SqlDataReader recu = user.GetUserLogin(CleanString.InputText(AdminName.Text.Trim(),50),
					UserDB.Encrypt(Password.Text.Trim()));

				if(recu.Read())
				{
					if((recu["ID"].ToString() != "")&&(recu["ID"] != null))
					{
						Session["UserID"]   = recu["ID"].ToString();
						Session["UserName"] = AdminName.Text;

						if(UserDB.GetUserLoginRole(Int32.Parse(Session["UserID"].ToString())).IndexOf("NormalMonitor") > -1)
						{
							Response.Redirect("~/ManageSystem/MonitorQuestion.aspx");
						}
						else
						{
							Response.Redirect("~/ManageSystem/HandBook.aspx");
						}
					}
				}
				else
				{
					Response.Write("<script>alert(\"用户名或密码错误，请重新输入！\")</script>");
				}

				recu.Close();
			}
			else
			{
				Response.Write("<script>alert(\"用户名或密码错误不能为空，请重新输入！\")</script>");
			}
		}

		private void CancelBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			AdminName.Text = "";
			Password.Text  = "";
		}

		private void RegisterBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Response.Redirect("~/UserRegister.aspx");
		}
	}
}