Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/DataSourceControlBuilder.cs

@@ -0,0 +1,26 @@
+//------------------------------------------------------------------------------
+// <copyright file="DataSourceControlBuilder.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI {
+
+    using System;
+    using System.Collections;
+    using System.Reflection;
+    using System.Web.Util;
+
+
+    /// <devdoc>
+    /// </devdoc>
+    public sealed class DataSourceControlBuilder : ControlBuilder {
+
+
+        /// <devdoc>
+        /// </devdoc>
+        public override bool AllowWhitespaceLiterals() {
+            return false;
+        }
+    }
+}