Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data/System/Data/DataSetDateTime.cs

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+//------------------------------------------------------------------------------
+// <copyright file="DataSetDateTime.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+// <owner current="true" primary="true">amirhmy</owner>
+// <owner current="true" primary="false">markash</owner>
+//------------------------------------------------------------------------------
+namespace System.Data {
+    using System;
+
+    /// <devdoc>
+    /// <para>Gets the DateTimeMode of a DateTime <see cref='System.Data.DataColumn'/> object.</para>
+    /// </devdoc>
+    public enum DataSetDateTime {
+        /// <devdoc>
+        ///    <para>The datetime column in Local DateTimeMode stores datetime in Local. Adjusts Utc/Unspecifed to Local. Serializes as Local</para>
+        /// </devdoc>
+        Local  = 1,
+        /// <devdoc>
+        /// <para>The datetime column in Unspecified DateTimeMode stores datetime in Unspecified. Adjusts Local/Utc to Unspecified. Serializes as Unspecified with no offset across timezones</para>
+        /// </devdoc>
+        Unspecified = 2,        
+        /// <devdoc>
+        /// <para>This is the default. The datetime column in UnspecifiedLocal DateTimeMode stores datetime in Unspecfied. Adjusts Local/Utc to Unspecified. Serializes as Unspecified but applying offset across timezones</para>
+        /// </devdoc>
+        UnspecifiedLocal = 3, //Unspecified while storing and Local when serializing. -> DataSetDateTime.Unspecified | DataSetDateTime.Local 
+        /// <devdoc>
+        ///    <para>
+        ///       <para>The datetime column in Utc DateTimeMode  stores datetime in Utc. Adjusts Local/Unspecified to Utc. Serializes as Utc</para>
+        ///    </para>
+        /// </devdoc>
+        Utc = 4,        
+    }
+}