Regular expression for validating name in asp net booksamillion dating
I replaced your submit button with a normal button and simplified out all the unneeded stuff for the example.
We've had similar issue in the past (as mentioned by Twee Zz).
If you experiment with the page contained in Listing 3.4, you'll quickly discover that you can submit the form without entering any text into the text box. Nothing prevents you from associating multiple Validator controls with the same control.
One of the most common and difficult validation tasks that arise when performing form validation is validating an e-mail address.
The This expression matches any entry (including spaces) that contains between 0 and 10 characters.
to match the value entered into a form field to a regular expression.
You can use this control to check whether a user has entered, for example, a valid e-mail address, telephone number, or username or password.
Listing 3.6 demonstrates how you can combine two control to validate a password.
The Validation controls require you to enter a password that starts with at least one letter and contains one number and between 3 and 20 characters (special characters, such as The C# version of this code can be found on the CD-ROM.