Compare validator in asp.net and Textbox is clear when error display

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hii,,

i use compare validator in c#. there are two textboxes Todate and from date. todate is not less than fromdate. so i use like :

ASP.NET

<asp:CompareValidator ID="cm1" runat="server" Operator="LessThanEqual" Type="Date" ControlToValidate="txt_from_date" ControlToCompare="txt_to_date" ErrorMessage="To date not less than From date" Display="Dynamic" SetFocusOnError="True">

it gives perfact result but i want to clear the textbox when compare validator gives an error because when i click on submit button it takes all values that i not want.
when todate becomes less than from From_date the to_date textbox Become null

Help Me..

Mitesh

Posted 26-Jun-12 1:12am

Mits Machhi

Updated 26-Jun-12 1:13am

Prasad_Kulkarni

v2

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sandeep nagabhairava 26-Jun-12 7:31am

have you any button click event?
when the error message displayed? i mean in which event?

[no name] 26-Jun-12 7:41am

2 ajax calendar and when to date is less than from date compare validator gives message.

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pradiprenushe · Answer 1 · 2012-06-26T01:29:00

Use Coustom validator.

function ClientValidate(source, arguments)
  {
var objFrom= document.getElementById('<%# txt_from_date.ClientID %>');
var objTo= document.getElementById('<%# txt_to_date.ClientID %>');

if (Date.parse(objFrom.value) > Date.parse(objTo.value))
   {
   objFrom.value='';
   objTo.value='';
   arguments.IsValid=false;
   }

else
   {
    arguments.IsValid=true;
   }
  }