Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/WebControls/DataControlFieldCell.cs

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+//------------------------------------------------------------------------------
+// <copyright file="DataControlFieldCell.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.WebControls {
+
+    using System;
+    using System.Web.UI.WebControls;
+
+
+    /// <devdoc>
+    /// <para>Creates a special cell that is contained within a DataControlField.</para>
+    /// </devdoc>
+    public class DataControlFieldCell : TableCell {
+        DataControlField _containingField;
+
+
+        public DataControlFieldCell(DataControlField containingField) {
+            _containingField = containingField;
+        }
+
+
+        protected DataControlFieldCell(HtmlTextWriterTag tagKey, DataControlField containingField) : base(tagKey) {
+            _containingField = containingField;
+        }
+
+
+        public DataControlField ContainingField {
+            get {
+                return _containingField;
+            }
+        }
+
+        /// <summary>
+        /// <see cref='System.Web.UI.WebControls.DataControlFieldCell'/> gets the value of ValidateRequestMode from it's <see cref='System.Web.UI.WebControls.DataControlFieldCell.ContainingField'/>. 
+        /// The ValidateRequestMode property should not be set directly on <see cref='System.Web.UI.WebControls.DataControlFieldCell'/>.
+        /// </summary>
+        public override ValidateRequestMode ValidateRequestMode {
+            get {
+                return _containingField.ValidateRequestMode;
+            }
+            set {
+                throw new InvalidOperationException(SR.GetString(SR.DataControlFieldCell_ShouldNotSetValidateRequestMode));
+            }
+        }
+    }
+}
+
+