listcourses.ascx.cs

电子选课系统 电子选课系统电子选课系统电子选课系统

namespace Park.CourseSystem
{
	using System;
	using System.Data;
	using System.Data.SqlClient;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using Park.Common;

	/// <summary>
	///		ListCourses 的摘要说明。
	/// </summary>
	public abstract class ListCourses : System.Web.UI.UserControl,IProcessable
	{
		protected System.Web.UI.WebControls.DataGrid CourseList;

		private void Page_Load(object sender, System.EventArgs e)
		{
			ProcessDeleted();

			LoadData();
		}

		public void Process()
		{
			object courseid=Request["editid"];
			if(courseid==null||courseid.Equals(""))Session[SessionKey.CourseID]="";
			Session[SessionKey.CourseID]=courseid;
		}

		private void ProcessDeleted()
		{
			string id=Request["removeid"];
			if(id != null && !id.Equals("")) 
				CourseDB.DeleteCourse( id );
		}

		private void LoadData()
		{
			SqlConnection myConnection=Utils.GetConnection();

			SqlCommand myCommand = new SqlCommand("CourseSystem_List_Courses", myConnection);

			// Mark the Command as a SPROC
			myCommand.CommandType = CommandType.StoredProcedure;


			myConnection.Open();

			SqlDataReader result = myCommand.ExecuteReader();


			CourseList.DataSource = result;

			CourseList.DataBind();
	
			result.Close();

			myCommand.Dispose();
			myConnection.Dispose();

		}
		#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);
		}
		
		///		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
	}
}