MergeTable() [2/2]

void System.Data.Merger.MergeTable ( DataTable src, DataTable dst )

inlineprivate

Definition at line 156 of file Merger.cs.

    {
        int count = src.Rows.Count;
        bool flag = dst.Rows.Count == 0;
        if (0 < count)
        {
            Index index = null;
            DataKey key = default(DataKey);
            dst.SuspendIndexEvents();
            try
            {
                if (!flag && dst._primaryKey != null)
                {
                    key = GetSrcKey(src, dst);
                    if (key.HasValue)
                    {
                        index = dst._primaryKey.Key.GetSortIndex(DataViewRowState.OriginalRows | DataViewRowState.Added);
                    }
                }
                foreach (DataRow row in src.Rows)
                {
                    DataRow targetRow = null;
                    if (index != null)
                    {
                        targetRow = dst.FindMergeTarget(row, key, index);
                    }
                    dst.MergeRow(row, targetRow, _preserveChanges, index);
                }
            }
            finally
            {
                dst.RestoreIndexEvents(forceReset: true);
            }
        }
        MergeExtendedProperties(src.ExtendedProperties, dst.ExtendedProperties);
    }

References System.Data.Merger._preserveChanges, System.count, System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.Data.Merger.GetSrcKey(), System.index, System.key, and System.Data.Merger.MergeExtendedProperties().