sql b4j

Sorry for being stupid ! I try to save data to the database. Save behkopf or behdetail alone is running without an error. Both together I get two errors, dependent on the line sql.TransactionSuccessful database is locked (without sql.TransactionSuccessful) or...

hi i want to combine two sql query Dim RS As ResultSet=Sql1.ExecQuery2("SELECT * FROM tbl WHERE userid = ? ", Array As Int(uid)) Dim RS As ResultSet=Sql1.ExecQuery2("SELECT * FROM tbl OFFSET LIMIT ?,?",Array As String(0,10)) how do i this ??