Reputation: 1

vb.net windows form

How could i validate a textbox in vb.net, so that it gives error message if i enter anything like , or .

Upvotes: 0

Answers (2)

Reputation: 12613

You can add an event handler for the TextBox's Validating event to check for invalid characters.

If there is an invalid character, you can set the Cancel property of the Validating event's e parameter to True.

Check this out for more information: Control.Validating

Upvotes: 1

Reputation: 19598

There is no inbuilt validation controls available Windows Forms.

Upvotes: 0