A custom Page attribute, defined at top level - ng.asp-net-forum.master_pages_themes_and_navigation_controls

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5 Items, 1 Pages 1 |< << Go >> >|

	dabbi2005
	Asp.Net User

A custom Page attribute, defined at top level

10/21/2005 2:21:57 AM

0/0

Is there any custom attribute (property) I can set at the @Page declaration syntax for the Master page to read and parse?

The Masterpage renders a particular image for every page but I want to be able to set a custom image or just disable it easily in some specific pages and so the Masterpage code-behind would read that particular attribute value and set the image properties accordingly...

	dannychen
	Asp.Net User

Re: A custom Page attribute, defined at top level

10/21/2005 3:12:23 PM

0/0

Yes. If you have a baseclass that you inherit, you can put properties in there that can be specified on the directive. This does not work for properties in the CodeBehind classes or declared on the page although the CodeBehind class can inherit from this baseclass. This work on the same for Pages but I'll show MasterPages since you requested it. Example:

App_Code/BaseClass.vb:

Public Class BaseClass
Inherits MasterPage

Public Property Test() As String
...
End Property

End Class

Single File Master Page:
<%@ Master Language="VB" Inherits="BaseClass" Test="This is some text" %>

CodeBehind MasterPage:
<%@ Master Language="VB" CodeFile="master.master.vb" CodeFileBaseClass="BaseClass" Inherits="Master" Test="This is some text" %>

master.master.vb:

Public Class Master
Inherits BaseClass
End Class

Let me know if this is what you want!
--
Danny

disclaimer: Information provided is 'as is' and conveys no warranties or guarantees.

	dabbi2005
	Asp.Net User

Re: A custom Page attribute, defined at top level

10/21/2005 9:13:01 PM

0/0

thx very much altough I still haven't got it working. Actually I'm using C# and the attribute I want to add is to the Page control so I've tried:

In App_Code/BaseClass.cs I put:

public class BaseClass : System.Web.UI.Page
{
public string DecorationImage;
}

In Default.aspx codebehind I put:
public partial class _Default : System.Web.UI.Page
{ ... }

And so set for the same Default.aspx page:
<%@ Page Language="C#" MasterPageFile="~/masterpage.master" CodeFile="Default.aspx.cs" Inherits="_Default" DecorationImage="roses" %>

Well this stops me already at compilation level, VS says there is no such attribute defined!

	dannychen
	Asp.Net User

Re: A custom Page attribute, defined at top level

10/24/2005 4:10:25 PM

0/0

dabbi2005 wrote:

In Default.aspx codebehind I put:
public partial class _Default : System.Web.UI.Page
{ ... }

And so set for the same Default.aspx page:
<%@ Page Language="C#" MasterPageFile="~/masterpage.master" CodeFile="Default.aspx.cs" Inherits="_Default" DecorationImage="roses" %>

Well this stops me already at compilation level, VS says there is no such attribute defined!

This is where you strayed from my example.

First: You need to inherits from the baseclass:

public partial class _Default : BaseClass

Second: You need to specify a CodeFileBaseClass attribute on your page directive:

<%@ Page .... CodeFileBaseClass="BaseClass" %>

--
Danny

disclaimer: Information provided is 'as is' and conveys no warranties or guarantees.

	dabbi2005
	Asp.Net User

Re: A custom Page attribute, defined at top level

10/24/2005 10:24:03 PM

0/0

sorry was a little too fast to panic there, it's fixed and it's working. I actually found some code where ScottGu describes the whole process by implementing a custom Page class. It surprised me in the comment section so few saw the potentials of this... In my case it's a great feature I've been trying to code for weeks! I can now change the image source for a "decoration image" in the masterpage from just one single Page attribute instead of 2-3 lines of code within each and every Page_Load section of the content pages. I love it!!

5 Items, 1 Pages 1 |< << Go >> >|

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