listeachcoursestudent.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.Statisitics
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using System.Data.SqlClient;
	using System.Collections;
	using Park.Common;
	/// <summary>
	///		ListEachCourseStudent 的摘要说明。
	/// </summary>
	public abstract class ListEachCourseStudent : System.Web.UI.UserControl
	{
		protected System.Web.UI.WebControls.Repeater CourseList;
		protected System.Web.UI.WebControls.DataList QuartersList;
		protected System.Web.UI.WebControls.DataGrid StudentList;

		private void Page_Load(object sender, System.EventArgs e)
		{
				if(!IsPostBack)
				{
					loadList();

					string currentcourseid=Request["CurrentCourseID"];

					if(currentcourseid==null|| currentcourseid.Equals("")) 
					{
						QuartersList.Visible = false;
						return;
					}
					BindList(currentcourseid);
					//loadData(currentcourseid);
				}
		}

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

			SqlCommand myCommand = new SqlCommand("Statisitics_Get_Course", 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();

		}

		public ArrayList loadData(string classid)
		{
			SqlConnection myConnection=Utils.GetConnection();

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

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

			// Add Parameters to SPROC
			SqlParameter CourseID = new SqlParameter("@classid", SqlDbType.VarChar,30);
			CourseID.Value = classid;
			myCommand.Parameters.Add(CourseID);


			myConnection.Open();

			SqlDataReader result = myCommand.ExecuteReader();
			ArrayList list = new ArrayList();
			while(result.Read())
			{
				Student st = new Student();
				st.ID = result["StudentID"].ToString();
				st.Name = result["Name"].ToString();
				st.BelongingClass = result["BelongingClass"].ToString();
				list.Add(st);
			}
			//EachClassStudentList.DataSource = result;
			//EachClassStudentList.DataBind();
	
			result.Close();

			myCommand.Dispose();
			myConnection.Dispose();
			
			return list;

		}
		private void BindList(string courseid)
		{
			SqlConnection myConnection=Utils.GetConnection();

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

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

			// Add Parameters to SPROC
			SqlParameter CourseID = new SqlParameter("@courseid", SqlDbType.VarChar,30);
			CourseID.Value = courseid;
			myCommand.Parameters.Add(CourseID);


			myConnection.Open();

			SqlDataReader result = myCommand.ExecuteReader();


			QuartersList.DataSource = result;
			/*if(!result.Read())
			{
				Response.Write("asdfasdfasd");
			}*/
			QuartersList.DataBind();
	
			result.Close();

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

			
		}
	}
}