//datatable筛选器,函数包装模板:传入源table,目标table,db名,多表查询table,列条件数组,where筛选列,selsect筛选列 public DataTable Filter(DataTable room, DataTable room1, string dbname, DataTable build, string[] split,string c_Name, string column) { db.TableName = dbname; room1 = room