RadUpload ClientSide Validation

[DK]

<telerik:radupload id="RadUpload1" runat= "server"
    allowedfileextensions=".doc,.rtf,.txt" />
<asp:customvalidator runat="server" id="CustomValidator1" 
    display="Dynamic"
    clientvalidationfunction="ValidateRadUpload1"
   >
        Invalid extensions.
</asp:customvalidator>
<asp:button runat="server" id="Button1" text="Submit" />
<script type="text/javascript">
function ValidateRadUpload1(source, arguments)
{
    arguments.IsValid = GetRadUpload('<%= RadUpload1.ClientID %>').ValidateExtensions();
}
</script>


i have 4 tabstrips and in the 3rd tab i m using radupload.

when i use the above code then error occured "the object doesnt support this property or method"

please help me

[Princy]

Hello,

Try the following code and see whether it helps.

JavaScript:

<script type="text/javascript">
function ValidateRadUpload1(source, arguments)
{
    arguments.IsValid = getRadUpload('<%= RadUpload1.ClientID %>').validateExtensions();
}
</script>

Checkout the following link to know more about client side methods and properties.
Client-Side Basics
Validating using an ASP.NET validator

Thanks,
Princy.