Validating number in asp net
In our example we provided a function that ensures that entered value in number only. He is a published author and has authored or co-authored books for Apress and Wrox press.
Bipin Joshi is a software consultant, an author and a yoga mentor having 22 years of experience in software development. Having embraced the Yoga way of life he also teaches Meditation and Mindfulness to interested individuals.
In this article we will see how to use Custom Validator control to allow only numbers in an ASP. You might think - we are anyway using Custom Validator and writing a client side function on our own then why not use your own "stand alone" function?
By "stand alone" I mean a Java Script function that is directly attached with an ASP.
You can download and run the complete example attached along with the article. NET Custom Validator allows you take complete control of the validation process.
You can attach a client side Java Script or VBScript function to Custom Validator that takes care of your validation.
[/update] This article came up on the news today: Allowing Only Numbers in ASP.We also need to provide a custom validation rule that can be used on the client to validate the card number.Note that we can access the Min Length property of the server attribute using the rule. This keeps the client and server side validation in sync. You can find more details about all the changes in the readme. Having spent some time in the electronic funds transfer (EFT) industry before joining Microsoft, I thought it might be fun combining my experience from both worlds by showing how to validate a credit card number using the validation support provided by MVC 2 RC. Apart from some bug fixes, client validation has undergone some significant changes, amongst others, making it easier to work with custom validators.
The general syntax of the function is like this: Here, the arguments parameter contains a property called Is Valid that needs to be set to true or false. NET treats as if validation has failed and error message is displayed accordingly.