Validating dropdownlist javascript

aspdotnet-suresh offers C#articles and tutorials,csharp dot net,articles and tutorials, VB. NET MVC gives you a powerful, patterns-based way to build dynamic websites that enables a clean separation of concerns and that gives you full control over markup for enjoyable, agile development. NET MVC includes many features that enable fast, TDD-friendly development for creating sophisticated applications that use the latest web standards.The validation control classes are inherited from the Base Validator class hence they inherit its properties and methods.Therefore, it would help to take a look at the properties and the methods of this base class, which are common for all the validation controls: The Regular Expression Validator allows validating the input text by matching against a pattern of a regular expression.The server side validation routine must be called from the control's Server Validate event handler. The basic syntax for the control is as given: The Validation Summary control does not perform any validation but shows a summary of all errors in the page.The server side validation routine should be written in any . The summary displays the values of the Error Message property of all validation controls that failed validation.

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To create a validation group, you should put the input controls and the validation controls into the same logical group by setting their Validation Group property.Now add the condition to ensure that all controls have a value, if the values are not entered in the form control then it will show a message.The condition will be as follows: is shown to the user and finally we are returning false; that is very important.In this article we use the In the code above I have taken the ASP.Net control's values in variables so it cannot be repeated again and again in our function the email Exp variable holds the pattern of the email id in the form of a regular expression.

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