force add base.cshtml

src/Umbraco.Web.UI/Views/Partials/Grid/Editors/Base.cshtml

@@ -0,0 +1,24 @@
+@model dynamic
+@using Umbraco.Web.Templates
+
+@functions {
+    public static string EditorView(dynamic contentItem)
+    {
+        string view = contentItem.editor.render != null ? contentItem.editor.render.ToString() : contentItem.editor.view.ToString();
+        view = view.ToLower().Replace(".html", ".cshtml");
+        
+        if (!view.Contains("/")) {
+            view = "grid/editors/" + view;
+        }
+
+        return view;
+    }
+}
+@try
+{
+    string editor = EditorView(Model);                                                       
+    <text>@Html.Partial(editor, (object)Model)</text>
+}
+catch (Exception ex) { 
+<pre>@ex.ToString()</pre>
+}