maildesktop.aspx.cs

C#(asp.net)环境下的网络在线投票系统

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class MailDesktop : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
		if(!Page.IsPostBack)
		{
			BindFolderData();
		}
    }
	private void BindFolderData()
	{   ///获取数据
		IFolder folder = new Folder();
		SqlDataReader dr = folder.GetFolders();
		///绑定数据
		FolderView.DataSource = dr;
		FolderView.DataBind();
		dr.Close();
	}
		
	protected void NewFolderBtn_Click(object sender,EventArgs e)
	{
		Response.Redirect("~/NewFolder.aspx");
	}
	protected void FolderView_RowCommand(object sender,GridViewCommandEventArgs e)
	{
		if(e.CommandName == "delete")
		{
			try
			{   ///删除数据
				IFolder folder = new Folder();
				folder.DeleteFolder(Int32.Parse(e.CommandArgument.ToString()));

				///重新绑定控件的数据				
				BindFolderData();
				Response.Write("<script>alert('" + "删除数据成功，请妥善保管好你的数据！" + "');</script>");
			}
			catch(Exception ex)
			{   ///跳转到异常错误处理页面
				Response.Redirect("ErrorPage.aspx?ErrorMsg=" + ex.Message.Replace("<br>","").Replace("\n","")
					+ "&ErrorUrl=" + Request.Url.ToString().Replace("<br>","").Replace("\n",""));
			}
		}
	}
	protected void FolderView_RowDeleting(object sender,GridViewDeleteEventArgs e)
	{
		///
	}
	protected void FolderView_RowDataBound(object sender,GridViewRowEventArgs e)
	{
		ImageButton deleteBtn = (ImageButton)e.Row.FindControl("DeleteBtn");
		if(deleteBtn != null)
		{
			deleteBtn.Attributes.Add("onclick","return confirm('你确定要删除所选择的数据项吗？');");
		}
	}
}