After you determine that something was entered, you can then also check to see whether what was entered is a number or a character and if it is in the correct format.
Validating email address asp net
(34 printed pages) Introduction Looking at Validation The Required Field Validator Control The Compare Validator Control The Range Validator Control The Regular Expression Validator Control The Custom Validator Control The Validation Summary Control Conclusion In your studies of ASP.
NET, you might have been introduced to a number of different types of controls, whether HTML server controls or Web server controls.
NET Summary: Learn how to use all the available ASP.
This paper introduces these new controls and discusses tips and tricks on working with them in practical scenarios.
regular expression pattern to separate the domain name from the email address. To include them in a regular expression library, either copy and paste the code into a Visual Studio Class Library project, or copy and paste it into a text file and compile it from the command line with a command like the following (assuming that the name of the source code file is Regex or Regex Utilities.vb: You can also use the Regex.