Dbsupports; Dbupdate - Omron CX-Supervisor Reference Manual

Database Commands

6-17-12 DBSupports

Note:

6-17-13 DBUpdate

Note:
112
Argument Type
level text
state text
Typical Examples
State = DBState("Invoice", "Closed")
Checks if the Connection "Invoice" is currently closed.
State = DBState("Northwind.Customers", "Open")
Checks if the Recordset "Customers" is currently open.
Description
Returns TRUE if the specified Recordset supports the requested operation.
Syntax
return = DBSupports(level, operation)
Remarks
Argument Type
return bool
level text
operation text
Typical Example
Result = DBSupports("CSV.Recordset1", "Delete")
Checks if records can be deleted in 'Recordset1'
If the "MovePrevious" operation is not supported then only 'Forward-Only'
cursor movements are supported.
Description
Update the record being added in a Recordset. Used in conjunction with
DBAddNew to commit a new record.
DBUpdate is ONLY required when DBAddNew has been used at the Field
level. When DBAddNew is used at the Recordset level an additional DBUpdate
is not required as this is performed automatically.
Syntax
returnstate = DBUpdate(level)
SECTION 6 Functions and Methods
Description
A text point or constant specifying the
connection level. This may be a Connection or
Recordset level.
The requested state must be either "Open" or
"Closed"
Description
1 if the specified level is in the requested state,
otherwise 0
A text point or constant specifying the
connection level. This may be a Connection or
Recordset level.
The requested operation may be one of:
"AddNew"
"Bookmark"
"Delete"
"Find"
"MovePrevious"
"Update"