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Posted 9 Apr 2008

How to add javascript or stylesheet to header of page?

, 9 Apr 2008
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This article will show you how to dynamically add javascript or stylesheet to the header of page.


Some times you want to dynamically add a javascript to the header of page or even dynamically add a stylesheet to yuor page.


When we are using Page.ClientScript functions, the scripts won't be added to the header it is going to be added to different part of page.

Using the code

The following code shows how you can dynamically add script or stylesheet or any other type of control to the header of page.

'Add the css to header
    Dim hControl As LiteralControl = New LiteralControl
    hControl.Text = "<link href=""default.css"" type=""text/css""
    rel=""stylesheet"" />"
    'Add javascript for the header
    Dim header As LiteralControl = New LiteralControl
    header.Text = "<script type=""text/javascript""

Here is the new version of my code which i got it from comments (nice job Matteo) In the following code you can avoid using literal: To add a meta tag:

HtmlMeta metadescription = new HtmlMeta();
metadescription.Name = "description";
metadescription.Content = "Your page description here";
To add a stylesheet:
HtmlLink css = new HtmlLink(); 
css.Href = "mystyle.css";
css.Attributes["rel"] = "stylesheet";
css.Attributes["type"] = "text/css";
css.Attributes["media"] = "all";
To add an external javascript reference:
HtmlGenericControl js = new HtmlGenericControl("script");
js.Attributes["type"] = "text/javascript";
js.Attributes["src"] = "mylibrary.js";
Thanks again Matteo;)

Points of Interest

As you can see first we define a LiteralControl and then we assign our javascript or stylesheet to the text properties of LiteralControl and then we will add the LiteralControl to header of the page. Now when you run the page, you will see the javascript or stylesheet has been added to the header. you can call put all this code in afunctiona nd call it on the page_load of page.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Armin Kabir
Software Developer (Senior) Innovative Design
United States United States
No Biography provided

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Comments and Discussions

AnswerPage.ClientScript.RegisterClientScriptInclude can also be used rather than HtmlGenericControl Pin
satishgv198527-Nov-12 2:26
membersatishgv198527-Nov-12 2:26 
QuestionPage.Header was nothing Pin
Member 819032823-Oct-12 23:09
memberMember 819032823-Oct-12 23:09 
SuggestionDo something when javascript is loaded Pin
Member 14778521-Jul-11 4:41
memberMember 14778521-Jul-11 4:41 
QuestionInsert js file BEFORE other javascript code in the head block...? Pin
kupps23-Jun-10 12:41
memberkupps23-Jun-10 12:41 
AnswerRe: Insert js file BEFORE other javascript code in the head block...? Pin
aaron.barker1-Jan-11 10:39
memberaaron.barker1-Jan-11 10:39 
AnswerRe: Insert js file BEFORE other javascript code in the head block...? Pin
satishgv198527-Nov-12 2:28
membersatishgv198527-Nov-12 2:28 
GeneralMaster Pages Pin
Member 30555644-Nov-08 2:09
memberMember 30555644-Nov-08 2:09 
GeneralRe: Master Pages Pin
John Hutton13-Jan-09 10:21
memberJohn Hutton13-Jan-09 10:21 
GeneralAvoid Literal Pin
Matteo Casati9-Apr-08 5:58
memberMatteo Casati9-Apr-08 5:58 
GeneralRe: Avoid Literal Pin
Armin Kabir9-Apr-08 6:56
memberArmin Kabir9-Apr-08 6:56 
GeneralRe: Avoid Literal Pin
Matteo Casati9-Apr-08 7:03
memberMatteo Casati9-Apr-08 7:03 
GeneralRe: Avoid Literal Pin
Armin Kabir9-Apr-08 7:53
memberArmin Kabir9-Apr-08 7:53 
GeneralRe: Avoid Literal Pin
AndreyMir10-Apr-08 8:07
memberAndreyMir10-Apr-08 8:07 
GeneralRe: Avoid Literal Pin
Nisha Agrawal11-Aug-09 23:49
memberNisha Agrawal11-Aug-09 23:49 

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