Using JavaScript Effectively in ASP.NET 2.0 - Part 1
page 1 of 6
Published: 17 Sep 2008
Abstract
The .NET Framework 2.0 introduced many new feature that make JavaScript usage with ASP.NET pages easy. The ClientScriptManager class in the framework has many new useful methods that help developers use these features very effectively. In this first part of the series, Satheesh discusses some of the common scenarios to use the frequently used overload methods of the ClientScriptManager class. He starts with an overview of the ClientScriptManager class and then examines the RegisterClientScriptBlock, RegisterStartupScript, and RegisterOnSubmitStatement methods with the help of relevant source code, screenshots and usage instructions.
by Satheesh Babu
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Introduction

JavaScript is one of the very versatile scripting languages that are used in Web applications. Even though we can accomplish everything in server side programming using C#, we can still prefer to do some of the things, like validations, etc., using JavaScript. In ASP.NET 1.x, we do not have that much support in the framework to hook JavaScript functions from the asp.net page dynamically. This drawback was addressed with the release of ASP.NET 2.0 by providing developers a lot of features to embed JavaScript blocks dynamically through a class called ClientScriptManager. I have divided this article into 2 parts. Part 1 will deal with 3 different methods that are packed with ClientScriptManager class with examples, while the Part 2 will discuss the left out methods with some other useful JavaScript tips for ASP.NET.


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User Comments

Title: Easy to udersatnd   
Name: Raj kumar
Date: 2011-01-18 5:58:27 AM
Comment:
This the example that how we can add additionl attribute on any asp:.. control .
First we register ClientSide Script at the time of page_load then it works.
code is all-ready given there.
ok by
Title: Javascript   
Name: mohamed
Date: 2010-11-24 8:11:08 AM
Comment:
There is a problem in the stress at which any request for the page, there will be an invitation to the confirmation message that you need to be placed in the confirmation message within the event of a button, instead of the event page, although the occurrence of this call is also a confirmation message. What is the solution
Title: Javascript   
Name: mohamed
Date: 2010-11-24 7:58:03 AM
Comment:
There is a problem in the stress at which any request for the page will be a caller confirmation message
Title: Javascript   
Name: Praveen
Date: 2010-03-10 1:59:54 AM
Comment:
Simple examples to understand the concepts.Excellent
Title: JavaScript on form load   
Name: yc
Date: 2009-05-11 4:54:00 AM
Comment:
Thanks sir,
JavaScript on form load.
That's what I was googling for 2 days.
Regards
Title: Listing6 problem   
Name: O M
Date: 2009-04-23 6:02:23 PM
Comment:
Looks like Listing6 should be for "RegisterStartupScript Output" instead it is same as Listing1.
Title: Web Developer   
Name: Dhananjay
Date: 2009-04-13 7:56:31 AM
Comment:
This is very good article.
but I have question regarding - RegisterOnSubmitStatement.
On my page there are two buttons first one is Show - to display data and another is Delete - to delete data.

In this condition using your code How can I show confirm box on only on delete button.
Title: Web Developer   
Name: Shilpa
Date: 2009-04-07 6:09:04 AM
Comment:
Javascript functionality explained in such a simple technical terms. Its wonderful.
Satish Babu, keep it up.
Title: web developer   
Name: xiaohong
Date: 2009-04-06 2:56:36 PM
Comment:
nice organized article, thanks!
Title: Dan   
Name: Dan
Date: 2009-04-01 10:00:10 AM
Comment:
I didn't know about the onsubmitscript. Thanks's
Title: Nice article   
Name: Anas
Date: 2009-04-01 3:42:09 AM
Comment:
Nice article thanks
i like it
Title: Part 2   
Name: Joe
Date: 2009-03-25 12:20:57 PM
Comment:
You can read the 2nd part here,
http://www.codedigest.com/Articles/ASPNET/221_Using_JavaScript_Effectively_in_ASPNet_20_%e2%80%93_PART_2.aspx
Title: Can you provide Part 2 Article for the same   
Name: Sree
Date: 2009-01-08 7:14:12 AM
Comment:
Hi,
Nice article ragarding clientscriptmanager class.
It would be great if you provide Part 2 continuation link for the same.
Title: Good Article   
Name: greeny
Date: 2008-12-20 2:52:31 AM
Comment:
Hi,

good to see easily understandable article.
Title: Great Article   
Name: J
Date: 2008-12-09 5:46:12 AM
Comment:
This was the first article I read on RegisterStartupScript.
Very easy to understand article with nice examples.
Thanks a lot for shairing this
Title: Programmer   
Name: Tonci Korsano
Date: 2008-09-30 2:38:46 PM
Comment:
Hi,

I think this is a good article. RegisterOnSubmitStatement() Method was explained in a simple way. I might have to use this method. However, I have read that in these methods it is more efficient to use typeOf(this) or typeOf(Page) instead of this.getType() or Page.getType()

Tonci.
Title: RE: how to execute onsumit in between the server code   
Name: Mikalai
Date: 2008-09-26 10:51:03 AM
Comment:
To Nonu:
do not be confused with server and client side code. alert could be only displayed when server side code is finished and result html is sent to the client.
Title: how to execute onsumit in between the server code   
Name: Nonu
Date: 2008-09-25 11:06:28 AM
Comment:
Hi
Your article is helped me a lot to understand clientscript class.
but i want to execute a alert in between the server side code.
Title: Good Article   
Name: Joe
Date: 2008-09-17 11:47:12 PM
Comment:
Satheesh,
Your article is really good! It is really useful to people like me!
Thanks again!
Title: Mr.   
Name: kmanral
Date: 2008-09-17 2:52:58 PM
Comment:
only useful part of article is the link to MSDN. oops...

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