How to call a JavaScript File and Function in ASP.NET Project

Question

Hi I have three TextBox. Id is (txtdatetxtchallantxtplace) on a ASP.NET page and have a javascript file(Myjavascript.js).I want 1: I want only one function in Myjavascript.js File which check TextBox is left blank or not . 2:How This javascript file will call on aspx page . 3:how function of javascript will call on ASP.NET controls. My main moto is to write single function for a particular task and use it on many ASP.NET controls . Ranjeet Kumar Singh

Mohan · Answer

Wow Thats great buddy As your using ASP.NET Page why your going for Javascript function to check whether text box is blank or not. Instead of that i suggest you to go for RequiredFieldValidator Control . Help Me If I was wrong....