ASP.NET C#关于如何通过点击GridView的TemplateField中创建的ImageButton按钮，获取该行的几个字段信息。

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace Demo
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                DataTable dt = new DataTable();
                dt.Columns.Add("ID");
                for (int i = 0; i < 10; i++)
                {
                    DataRow dr = dt.NewRow();
                    dr["ID"] = i;
                    dt.Rows.Add(dr);
                }
                GridView1.DataSource = dt;
                GridView1.DataBind();
            }
        }
        protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
        {
            ImageButton ibtn = (ImageButton)sender;
            GridViewRow gr = (GridViewRow)ibtn.Parent.Parent;
            Label1.Text = gr.Cells[1].Text.ToString();
        }
    }
}

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="20130410-1.aspx.cs" Inherits="Demo.WebForm1" %>