studentselectcourse.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;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using System.Data.SqlClient;
	using Park.Common;
	/// <summary>
	///		StudentSelectClass 的摘要说明。
	/// </summary>
	public abstract class StudentSelectClass : System.Web.UI.UserControl
	{
		protected System.Web.UI.HtmlControls.HtmlTable ChartTable;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!IsPostBack)
			{
				loadList();
			}
			
		}

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

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

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


			myConnection.Open();

			SqlDataReader result = myCommand.ExecuteReader();

			int i = 0,m = 0;

			while(result.Read())
			{
				m++;
				// 在此处放置用户代码以初始化页面
				HtmlTableRow tr = new HtmlTableRow();
				HtmlTableCell tc = new HtmlTableCell();
				tc.InnerText = result["CourseName"].ToString();
				tr.Cells.Add(tc);
				tc = new HtmlTableCell();
				tc.InnerHtml = "<img src=images/Chart.aspx?Length="+result["Number"].ToString()+"&Style="+(i=(i+1)%2)+"></img>";
				tr.Cells.Add(tc);
				tc = new HtmlTableCell();
				if(result["Number"].ToString().Equals(""))
					tc.InnerText = "0人";			
				else tc.InnerText = result["Number"].ToString() + "人";
				tr.Cells.Add(tc);
				tc = new HtmlTableCell();
				tc.InnerText = result["Info"].ToString();
				tr.Cells.Add(tc);
				this.ChartTable.Rows.Add(tr);
			}
			if( m == 0) 
			{
				HtmlTableRow tr = new HtmlTableRow();
				HtmlTableCell tc = new HtmlTableCell();
				tc.InnerText = "无项目";
				tr.Cells.Add(tc);
				this.ChartTable.Rows.Add(tr);
			}
			myCommand.Dispose();
			myConnection.Dispose();
		}
	}
}