addstudent.ascx.cs

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namespace Park.Member
{
	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>
	///		AddStudent 的摘要说明。
	/// </summary>
	public abstract class AddStudent : System.Web.UI.UserControl,Park.Common.IProcessable
	{
		protected Epico.Controls.List BelongingClass;

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

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

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

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

			// Execute the command
			myConnection.Open();

			SqlDataReader result =  myCommand.ExecuteReader();

			BelongingClass.DataSource = result;
			BelongingClass.Name = QueryKey.StudentSelectedClass;

			BelongingClass.TitleColumn="ClassName";
			BelongingClass.ValueColumn="ClassName";

			//必须先绑定
			BelongingClass.BindData();

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

		}

		public void Process()
		{
			if(!this.IsPostBack) return;
			checkNull( "AccountID", "账号不能为空");
			checkNull( "Name", "姓名不能为空");
			checkNull( QueryKey.StudentSelectedClass, "请先添加班级，再添加学生");
			if(((Park.MainPage)Page).HasError) return;
			bool success = MemberDB.AddStudent(getString(Request["AccountID"]),
				getString(Request["Name"]),
				getString(Request[QueryKey.StudentSelectedClass])
				);
			if(success) return;
			Utils.Error(this.Page,"数据库中已有记录");
		}

		private string getString(string val)
		{
			if ( val ==null ) return "";
			return val;
		}
		
		private void checkNull(string val,string error)
		{
			if(Request[val] == null || Request[val].Equals("")) Utils.Error(this.Page,error);
		}

		#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
	}
}