How to bypass validation for a button in ASP.NET?

I have an ASP.NET form that takes input from a user. There’s a Submit button on the form and a button called Calc which does a calculation to populate a text field. The problem I’m having is that on the form I have a set of <ASP:REQUIREDFIELDVALIDATOR> validators and when the Calc button is pressed the form gets validated. I don’t want the required fields to be validated when the Calc button is pressed, only the Submit button. Any way around this?

Answers:

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Method 1

Set the CausesValidation property to false.

Method 2

<asp:Button runat="Server" ... CausesValidation="False" />

Button.CausesValidation (If I remember correctly).

Method 3

Try putting CausesValidation="false" as a button attribute.

Some sample code:

http://weblogs.asp.net/scottgu/archive/2005/08/04/421647.aspx

Method 4

ASPX Page:

<asp:Button ID="buttonNew" runat="server" Text="New" CausesValidation="False" />

OR

CodeBehind Page: (.cs)

buttonNew.CausesValidation = false;

Check here to know more about Validated and Validating events for the controls.

Method 5

Set the button.causesValidation to false.

this link

However, if all it is doing is calculating something based on user input then you shouldn’t have it posting back at all. I would recommend using an HTML button and attach some javascript to it to do your work for you and then you won’t have this problem.

Method 6

While designing the button, you can set its property CausesValidation=”false” to avoid validation on button click event. It does not allow to validation the server control and perform its click event only

Method 7

You should use this

UseSubmitBehavior="False"

Method 8

To disable validation in a specific control

Set the control’s CausesValidation property to false.

<asp:Button id="Button3" runat="server"
  Text="Cancel" CausesValidation="False">
</asp:Button>

To disable a validation control

Set the validation controls Enabled property to false.

To disable client-side validation

Set the validation controls EnableClientScript property to false.

For More Info

All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0