From 490f94d42553545f9cb980b8a018d141f897834c Mon Sep 17 00:00:00 2001
From: "N. Taylor Mullen" <nimullen@microsoft.com>
Date: Wed, 26 Apr 2017 12:51:52 -0700
Subject: [PATCH] Add placeholder `DefineSection` method.

- This enables 2.0.0 code generation to not error.

aspnet/Razor#1254
---
 src/Microsoft.AspNetCore.Mvc.Razor/RazorPageBase.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Microsoft.AspNetCore.Mvc.Razor/RazorPageBase.cs b/src/Microsoft.AspNetCore.Mvc.Razor/RazorPageBase.cs
index ea56d8302e..a646a962de 100644
--- a/src/Microsoft.AspNetCore.Mvc.Razor/RazorPageBase.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Razor/RazorPageBase.cs
@@ -292,6 +292,17 @@ namespace Microsoft.AspNetCore.Mvc.Razor
             return _urlHelper.Content(contentPath);
         }
 
+        /// <summary>
+        /// Creates a named content section in the page that can be invoked in a Layout page using
+        /// <c>RenderSection</c> or <c>RenderSectionAsync</c>
+        /// </summary>
+        /// <param name="name">The name of the section to create.</param>
+        /// <param name="section">The delegate to execute when rendering the section.</param>
+        /// <remarks>This is a temporary placeholder method to support ASP.NET Core 2.0.0 editor code generation.</remarks>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        protected void DefineSection(string name, Func<object, Task> section)
+            => DefineSection(name, () => section(null /* writer */));
+
         /// <summary>
         /// Creates a named content section in the page that can be invoked in a Layout page using
         /// <c>RenderSection</c> or <c>RenderSectionAsync</c>