GetChanges() [1/2]

DataTable? System.Data.DataTable.GetChanges ( )

inlineinherited

Definition at line 2786 of file DataTable.cs.

    {
        long scopeId = DataCommonEventSource.Log.EnterScope("<ds.DataTable.GetChanges|API> {0}", ObjectID);
        try
        {
            DataTable dataTable = Clone();
            DataRow dataRow = null;
            for (int i = 0; i < Rows.Count; i++)
            {
                dataRow = Rows[i];
                if (dataRow._oldRecord != dataRow._newRecord)
                {
                    dataTable.ImportRow(dataRow);
                }
            }
            if (dataTable.Rows.Count == 0)
            {
                return null;
            }
            return dataTable;
        }
        finally
        {
            DataCommonEventSource.Log.ExitScope(scopeId);
        }
    }

References System.Data.DataTable.Clone(), System.Data.DataRowCollection.Count, System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.Runtime.Serialization.Dictionary, System.Data.DataCommonEventSource.Log, System.Data.DataTable.ObjectID, and System.Data.DataTable.Rows.