Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

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+//------------------------------------------------------------------------------
+// <copyright file="DataRowState.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>
+// <owner current="false" primary="false">jasonzhu</owner>
+//------------------------------------------------------------------------------
+
+namespace System.Data {
+    using System;
+
+    // Gets the state of a DataRow object.
+    [ Flags ]
+    public enum DataRowState {
+        // DataViewRowState.None = 00000000;
+        // The row has been created but is not part of any DataRowCollection.
+        // A DataRow is in this state immediately after it has been created and 
+        // before it is added to a collection, or if it has been removed from a collection.
+        Detached  = 0x00000001,
+        // The row has not changed since AcceptChanges was last called.
+        Unchanged = 0x00000002,
+        // The row was added to a DataRowCollection, and AcceptChanges has not been called.
+        Added     = 0x00000004,
+        // The row was deleted using the Delete method of the DataRow.
+        Deleted   = 0x00000008,
+        // The row was modified and AcceptChanges has not been called.
+        Modified  = 0x000000010
+    }
+}