delcls.aspx.cs

来自「用ASP做的网上选课系统」· CS 代码 · 共 68 行

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 class_kinghome
{
	/// <summary>
	/// delcls 的摘要说明。
	/// </summary>
	public class delcls : System.Web.UI.Page
	{
		private void Page_Load(object sender, System.EventArgs e)
		{   string getcno=Request["cno"];
			try
			{
					SqlConnection Con = new SqlConnection("Data Source=(local);Initial Catalog=class;User ID=sa;Pwd=sasasa;");
			string 	delsql  = "DELETE FROM sco WHERE cno='"+getcno+"' and sno='"+Session["s_no"]+"'";
			
				SqlCommand delCommand =new SqlCommand(delsql,Con);
				delCommand.Connection.Open();
				delCommand.ExecuteNonQuery();
				delCommand.Connection.Close();
				string sql="update csee set cpeo=cpeo-1 where cno='"+getcno+"'";
				delCommand =new SqlCommand(sql,Con);
				delCommand.Connection.Open();
				delCommand.ExecuteNonQuery();
				delCommand.Connection.Close();
				String sScript = "";
				sScript += "<script language=javascript>";
				sScript += "  window.opener.location.reload();";
				sScript += "  window.close();</script>";
				
				Response.Write(sScript);
			}
			catch
			{	Response.Write ("<script>alert(\"请先注册!\")</script>");}
		}

		#region Web Form Designer generated code
		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.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
	}
}