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Access a Method in Global.asax with Code-Behind

Page 1 of 2

Written by Gregory Scot Collins

Wednesday, 21 June 2006, 4:28 PM

This article has been tested to work with the following products and versions. No guarantee of compatibility, with or without modification, is offered for products or versions other than those listed.

IN THIS ARTICLE:

You might find it necessary at some point to have a global method—one that is maintained in a single location and accessible from any number of pages. Although it appears that this practice is highly discouraged, there comes a point where it is more practical than trying to maintain multiple copies of the same code across numerous pages. A great place to store this global method is in the Global.asax file.

Please note that the example code in this article uses code-behind. If you are not using code-behind, please refer to Access a Method in Global.asax without Code-Behind.

Basics for accessing a method in Global.asax

To access a method in Global.asax from a content page you need to ensure that in the Global.asax code-behind file you declare public access for the global method you want to call. Having done this, you can access a method in Global.asax from your content page by using the code in Listing 1 and replacing ClassName with the name of your code-behind class, and GlobalMethod() with the name of the global method you will be accessing.

C#
ClassName GlobalAsax = new ClassName();
GlobalAsax.GlobalMethod();

Listing 1. Code for accessing a method in the Global.asax file.

Bring it all together

Let's create four test files: the Global.asax file and a content page—each with their own associated code-behind file. These files will demonstrate how to access a global method in Global.asax from the content page.

Because we will be using Active Server Pages, you will need access to a .NET enabled Web server. We will assume that you have one installed locally and that you will be testing this on http://localhost. If you are working with a remote server, substitute in your server name and any required path.

CONTINUED: Create the Global.asax file

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		List of Figures
	Listing 1 - Code for accessing a method in the Global.asax file.
	Listing 2 - The Global.asax file.
	Listing 3 - The Global.asax.cs file.
	Listing 4 - The Default.aspx file.
	Listing 5 - The Default.aspx.cs file.

		See Also
	Click to view Braintrove article: Access a Method in Global.asax without Code-Behind Written by Gregory Scot Collins Wednesday, 21 June 2006, 7:16 AM Product: ASP.NET Access a global method in Global.asax from other content pages without code-behind. Access a Method in Global.asax without Code-Behind
	Click to view Braintrove article: Access a Method in a Master Page with Code-Behind Written by Gregory Scot Collins Friday, 16 June 2006, 7:09 AM Product: ASP.NET Write code for pages with code-behind to access a method in an immediate or parent master page from a content page. Access a Method in a Master Page with Code-Behind
	Click to view Braintrove article: Access a Method in a Master Page without Code-Behind Written by Gregory Scot Collins Friday, 2 June 2006, 9:32 AM Product: ASP.NET Write code for pages without code-behind to access a method in an immediate or parent master page from a content page. Access a Method in a Master Page without Code-Behind
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		Article Tags
	Application ASP.NET ClassName Code-Behind CodeFile Global Global.asax Methods

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