Forms Data Controls :: Get SelectedRow's Column Value When DropDownList Is Clicked?

Sep 2, 2010

My web page consist of GridView with 2 columns:

Column 1 : SesStartTime[BoundField]
Column 2: Status [TemplateField] with DropDownList inside

When user select on the DropDownList i need to check the selected row's SesStartTime must earlier that current time.

Else i need to prompt alert to user.

I dont know how to work on this. Can someone guide me on this or provide me with sample of code.

Below is my aspx page code:

<%@ Page Language="VB" MasterPageFile="~/MllpMain.master" AutoEventWireup="false" CodeFile="LearnersDetail.aspx.vb" Inherits="WEBUI_Learners" %>
<%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Namespace="System.Web.UI" TagPrefix="asp" %>

[Code]...

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