Question

How do I access my MasterPage class from a non-page class?

Asked by: JimR123b

I have developed a website using Visual Studio 2005 and C#. Every page in my website uses the same master page. Each of the pages in the website descend from the default System.Web.UI.Page.

I would like to develop my own base class for all my pages.

One purpose of this is to make it easier to access things on the master page. For example, my master page has a label control which shows the title of the page, but sometimes I want to customise this, for example by showing the name of an object retrieved from my database.

So, in the class which all pages will inherit from, I want to implement a "SetPageTitle" method.

This is all works, except I can't figure out how to access the actual class of my master page. I need to be able to do this, so that I can typecast the page's master (i.e. Page.Master) with my master page class so that I can call my master page's custom methods. e.g. ((MyMasterPage)Page.Master).SetPageTitle("A Title")

When editing the code for my page base class (for all pages to inherit from), Visual Studio does not recognise "MyMasterPage".

If I am in the code of an actual page (not the base class), VS recognises "MyMasterPage", and allows me to use the class to typecase the page's master.

So how can I reference MyMasterPage from a class in the App_Code folder?

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Asked On
2009-09-30 at 05:48:16ID24773327
Tags

C#

,

Asp.net

,

MasterPage

,

Visual Studio 2005

Topics

C# Programming Language

,

Programming for ASP.NET

Participating Experts
1
Points
250
Comments
1

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Answers

 

by: parijoPosted on 2009-09-30 at 05:58:42ID: 25458285

Best solution I can think of for this would be to create a different base class for your master page as well. This class should inherit from MasterPage and implement all of the methods or properties you require access to. You make make these implementations abstract if you prefer, or even just create an interface which you could apply to the current master page's code behind file.

Having done something similar to the above you can then cast your page class's Master property to the type of your new class or interface and have full access to the properties and methods you have defined.

Hope that helps.

20120131-EE-VQP-002

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