using ValidationGroup on page load

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Is it posible to run the ValidationGroup="RegisterUserValidationGroup" on page load?

because i have

ASP.NET

<asp:RequiredFieldValidator ID="RequiredFieldValidatortxtEmailAddress" 
            runat="server" ErrorMessage="*" ControlToValidate="txtEmailAddress" 
            ForeColor="#FF3300" ValidationGroup="RegisterUserValidationGroup">

Now on Page_load the error msg should appear

Posted 19-Oct-11 10:53am

Anele Ngqandu

Updated 19-Oct-11 11:19am

Mario Majčica

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Mario Majčica 19-Oct-11 17:22pm

What do you intend with "to run the"?
Msg of the validator should appear on the screen only when you try to commit the page (do a post back or other events, depending on validation control) and the validation rule is broken.

Anele Ngqandu 19-Oct-11 17:33pm

on Page_Load...my textbox should show the star next to it. Then if the textbox has a value then the star should disappear

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André Kraak · Answer 1 · 2011-10-19T12:16:00

As I understand it the "industry standard" is to show a '*' with mandatory fields.
Whether something is filled in the control does not change the fact that the field is mandatory.

The fact that the '*' is removed might make the user think the field is no longer mandatory and remove the data entered.

My advise would be to adhere to this "standard" and always show the '*' next to mandatory fields. Use the validator to give an error about the data entered in the field.