public ColumnLogic(int tableId, string column) { m_columnModel = new ColumnModel(); var sysTable = (new TableModel()).FindRow(tableId); if (sysTable == null) { return; } m_tableId = tableId; m_column = column; m_metaColumn = new MetaColumn(sysTable.table_name, m_column); m_columnModel.Find(sysTable.id, m_column); }