How to call javascript function in code behind

Introduction:-

                  

                    Here I have explained how to call a javascript function from code behind and a simple javascript alert message from code behind in asp.net.

 

Description:-

                 In my previous article I have explained Calling different page into a div of another page using Javascript with progress bar , How to show different notification in Asp.net using Jquery and Javascript ? , How to calculate difference between two dates using JQuery? , How to call a session variable in jQuery? , How to find a control inside a repeater using JQuery. ,Select all checkbox inside a gridview using JavaScript , TextBox text changed event inside a gridview using JavaScript ,How to scroll page from top to bottom and from bottom to top using Jquery/Javascript ,Snow falls using javascript , How to save image in different size in Asp.net .

 Here I will explain how to show a alert message from code behind as well as javascript function call from code behind in asp.net application.