default.aspx.cs

毕业设计时做的,一个管理关于污染管理的, 源代码,呵呵 想想当时还真厉害,可以实现污染检测

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 System.Configuration;
using gyit.Data;
using System.Web.Security;

namespace itcrm
{
	/// <summary>
	/// _default 的摘要说明。
	/// </summary>
	public class _default : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtName;
		protected System.Web.UI.WebControls.TextBox txtPassword;
		protected System.Web.UI.WebControls.Button cmdSubmit;
		protected System.Web.UI.WebControls.Label lblTitle;
		protected System.Web.UI.WebControls.Button btnAdd;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
		DBOperator db;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			db =DBOperator.CreateObject((string)ConfigurationSettings.AppSettings["DSN"]);
		}

		#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.cmdSubmit.Click += new System.EventHandler(this.cmdSubmit_Click);
			this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		

		private void cmdSubmit_Click(object sender, System.EventArgs e)
		{   
			
		  // string hashpwd=FormsAuthentication.HashPasswordForStoringInConfigFile(txtPassword.Text,"SHA1");
			string strSqlUser="select UserName from Admin where UserName='"+txtName.Text+"'";
			string strSqlPwd="select UserName, Password from Admin where UserName='"+txtName.Text+"'and Password='"+txtPassword.Text+"'";
			DataSet Userds=null;
			DataSet Pwdds=null;
			DataRow user=null;
			if(txtName.Text!="")
			{
				if(txtPassword.Text!="")
				{
					db.Open();
					Userds=db.exeSqlForDataSet(strSqlUser);
					Pwdds=db.exeSqlForDataSet(strSqlPwd);
					db.Close();
					if(Userds.Tables[0].Rows.Count>0)
					{
						if(Pwdds.Tables[0].Rows.Count>0)
						{
							user=Userds.Tables[0].Rows[0];
							Session["username"]=txtName.Text;
							Response.Redirect("manager.aspx");
						}
						else
						{
							Page.RegisterStartupScript("script","<script>alert('密码错误！')</script>");
						}
					}
					else{Page.RegisterStartupScript("script","<script>alert('用户名不存在')</script>");}
				}
				else{Page.RegisterStartupScript("script","<script>alert('请输入密码！')</script>");}
			}	
			else
			{
				Page.RegisterStartupScript("script","<script>alert('请输入用户名！')</script>");
			}
		}

		private void btnAdd_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("register.aspx");
		}

	
	}
}