Number validation in required field validator

Question

Is it possible to put Number validation in required field validator in asp.net text box?

Answer 1

Another possibility is using the RegexpValidator and adding a regular expression that makes sure there's 1 or more digits in it, something like:

RegularExpressionValidator regexpvalidator = new RegularExpressionValidator(); 
regexpvalidator.ID = "RegularExpressionValidator1"; 
regexpvalidator.ValidationExpression = "\d+"; 
regexpvalidator.ControlToValidate = "YourControl"; 
regexpvalidator.ErrorMessage = "Please specify a digit"; 
regexpvalidator.SetFocusOnError = true;