C # extension methods in the "site.master" template, which is confined to the namespace quandary

The question is why do I need to add the "import" directive to my Site.Master file to get Intellisense when the html helpers work without it.

Using a simple C # string extension method without a namespace == is not a problem. However, I wanted this namespace extension to be a good programmer.

If I wrap it in a namespace , you need to do a couple of things. Here is my extension:

namespace MySystemCore
{
    public static class StringExtensions
    {
        public static string F(this string s, params object[] args)
        {
            return string.Format(s, args);
        }
    }
}

So, through trial and error, I work, but wanted to share my observations. Hope this can help someone else in the future.

. Site.Master

• "using MySystemCore"; Site.Master.cs ( codebehind)

  • ,

• "<add namespace="MySystemCore">" <namespaces> web.config

  • , intellisense

• # 1 # 2

  • , intellisense

• "<%@ Import Namespace="MySystemCore" %>" Site.Master

  • intellisense