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c#asp.netmaster-pagescontent-pages

why we use @Master type?

if we have a master page and a content page.so the content page @Page directive look like as 

<%@ Page Language="C#" MasterPageFile="~/Site1.Master" .... />

so , in order to access master page controls in content page we should have to use 

<%@ MasterType VirtualPath="~/Site1.Master" %>

so , my question is this why we use @MasterType directive when we already define in the @page directive that this content page is in the master page (here -- Site1.Master)

Solution

  • From Microsoft Docs you are defining the type of the Master property, which allows you to access the properties of your MasterPage derived class.

    Provides a way to create a strongly typed reference to the ASP.NET master page when the master page is accessed from the Master property.

    As an example:

    this.Master.SomePublicPropertyOfMaster = Value;