"marss" <marss***@gmail.com> wrote in message
news:1171528011.932166.287010@k78g2000cwa.googlegroups.com...
>
> Kevin Humphreys wrote:
>> Hi There,
>> I am trying to implement the following criteria for the controltovalidate
>> web control.
>> If a checkbox is checked and a textbox is empty then accept the
>> validation
>> as true and process some code if the page is valid
>> If a checkbox is unchecked and a textbox is empty then treat the
>> validation
>> as false and not allow to process some more code.
>>
>> Any ideas?
>>
>> Thanks,
>> Kevin.
>
> Use CustomValidator.
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemwebuiwebcontrolscustomvalidatorclasstopic.asp
>

"marss" <marss***@gmail.com> wrote in message
news:1171612467.298556.269520@v45g2000cwv.googlegroups.com...
>
> Kevin Humphreys wrote:
>> Hi,
>> Thanks for this. However the custom validator also validates based on 1
>> control only.
>> I am trying to validate based on the criteria of 2 controls.
>>
>> Any Ideas?
>>
>> Thanks,
>> Kevin.
>
> Hi,
> The CustomValidator implements custom validation irregardless of the
> control's number.
> Example.
> .ascx
> <asp:CheckBox ID="CheckBox1" runat="server" />
> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
> <asp:CustomValidator ID="CustomValidator1" runat="server"
> ErrorMessage="Error!"
> OnServerValidate="CustomValidator1_ServerValidate"></
> asp:CustomValidator>
>
> .cs
> protected void CustomValidator1_ServerValidate(object source,
> ServerValidateEventArgs args)
> {
>    if (CheckBox1.Checked)
>        args.IsValid = TextBox1.Text.Length == 0;
>    else
>        args.IsValid = TextBox1.Text.Length > 0;
> }
>
> Regards,
> Mykola
>