default.aspx.cs

一个ASP.NET下的中文内容管理和社区系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
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 ASPNET.StarterKit.Communities.Admin.EditVoting
{
	/// <summary>
	/// Summary description for _Default.
	/// </summary>
	public class _Default : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Panel PollsEmptyPanel;
		protected System.Web.UI.WebControls.DataGrid PollsGrid;
	

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.PollsGrid.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.PollsGrid_ItemDataBound);
			this.PollsGrid.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.PollsGrid_ItemCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion


		//*******************************************************
		//
		// When the page first loads, bind the list of
		// voting polls to the DataGrid.
		//
		//*******************************************************
	    
		protected void Page_Load(Object s, EventArgs e) {
			if (!Page.IsPostBack)
				BindData();
		}
	    
	    
		//*******************************************************
		//
		// Delete a voting poll from the database when
		// the user clicks the Delete link.
		//
		//*******************************************************
	    
		void PollsGrid_ItemCommand(object sender, DataGridCommandEventArgs e) {
			switch (e.CommandName.ToString()) {
				case "Delete":
					VotingUtility.DeletePoll((int)PollsGrid.DataKeys[e.Item.ItemIndex]);
					BindData();
					break;
			}
		}
	    
	    
		//*******************************************************
		//
		// When the user clicks the Delete link, display a
		// delete warning using Javascript.
		//
		//*******************************************************
	    
		void PollsGrid_ItemDataBound(object sender, DataGridItemEventArgs e) {
			ImageButton b = e.Item.FindControl("DeleteButton") as ImageButton;
			if (b!=null) {
				b.Attributes.Add("onclick","return confirm('Warning: This will delete ALL records, including votes, associated with this vote.')");
			}
		}
	    
	    
		//*******************************************************
		//
		// Bind the list of voting polls to the DataGrid.
		//
		//*******************************************************
	    
		void BindData() {
			PollsGrid.DataSource=VotingUtility.GetPolls(CommunityGlobals.CommunityID);
			PollsGrid.DataBind();
			if (PollsGrid.Items.Count==0) {
				PollsGrid.Visible=false;
				PollsEmptyPanel.Visible=true;
			} else {
				PollsGrid.Visible=true;
				PollsEmptyPanel.Visible=false;
			}
		}



	}
}