Launching master pages from the layout catalog

Question

To simplify our SharePoint environment, I want to have a central and only place where all the main pages are stored, so I was hoping to link to the main page files directly from the _layouts directory.

I add the files to the "\ LAYOUTS \ MyMasterPages" directory and then update the SPWeb object to use this path:

web.MasterUrl = "/_layouts/MyMasterPages/newdefault.master"

But when I go to the site, I get:

The linked file '/_layouts/MyMasterPages/newdefault.master' on this page is not allowed. in System.Web.UI.TemplateParser.ProcessError (String message) in System.Web.UI.BaseTemplateParser.GetReferencedType (VirtualPath virtualPath, Boolean allowNoCompile)
in System.Web.UI.PageParser.ProcessMainDirectiveAttribute String valueName , IDictionary parseData) in System.Web.UI.TemplateParser.ProcessMainDirective (IDictionary mainDirective)

I assume this may be due to trust-level security policies and CAS configuration, but I'm not quite sure. Is there a way to allow this central way of using master pages throughout the enterprise, or am I sticking with / _catalog / virtual path?

Answer 1

:

protected override void OnPreInit(EventArgs e)
{
    base.OnPreInit(e);
    this.MasterPageFile = "path to masterpage";
}

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Answer 2

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