访问嵌套母版页代码中的上母版页属性

vb.net版本:

DirectCast(Master, MyMastPageType).SelectedPage

C:

((MyMastPageType)Master).SelectedPage

http://msdn.microsoft.com/en-us/library/system.web.ui.masterpage.master.aspx

protected void Page_Load(object sender, EventArgs e)
{
  MyDemoMaster m = Master as MyDemoMaster;
  m.MyProperty = "My button text";
}

参见:

• How to access controls inside a nested master page?
• The right way of accessing Master page properties from a child page

这样地:

DirectCast(MyMastPageType, Master).SelectedPage

这是我的使用方法

MasterPage tmp = this.Master;
while (tmp.Master != null)
{
    tmp = tmp.Master;
}