public bllDatabaseSet()
{
_KeyFieldName = tb_t_ItemPropDesc.__KeyName; //主键字段
_SummaryTableName = tb_t_ItemPropDesc.__TableName; //表名
_ClassKeyFieldName = tb_t_ItemClass.__KeyName; //分类字段主键
_ClassSummaryTableName = tb_t_ItemClass.__TableName; //表名
_WriteDataLog = true; //是否保存日志
_DataDictBridge = BridgeFactory.CreateDataDictBridge(typeof(tb_t_ItemClass));
_ItemClassBridge = BridgeFactory.CreateItemClassBridge();
_ItemPropDescBridge = BridgeFactory.CreateItemPropDescBridge();
}