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- Accessing a database found on the Mobile Device (Pocket PC)
cdbRecNum (Function) In french: cdbNumEnr Returns the number of the current record found in a data file. Caution: From Windows Mobile 5, the access to a standard database (tasks, contacts, appointments, ...) can no longer be performed from a Windows application (and therefore from a standard WINDEV application). | | | | | Accessible from the PC | Accessible from the simulator | Accessible from the Mobile Device (Pocket PC) | CDB database | Yes | Yes | Yes | Standard database | No | No | Yes |
// Number of the current record in Customer file? ResCurrentNum = cdbRecNum("MyDatabase", "Customer") Info("The number of the current record is: " + ResCurrentNum)
// Standard "Contacts" database // Number of the current record in the Contacts file? ResCurrentNum = cdbRecNum("", cdbContact) Info("The number of the current record is: " + ResCurrentNum)
Syntax
<Result> = cdbRecNum(<Database> , <Data file>)
<Result>: Integer Corresponds to:- the number of the current record in the data file.
- the hInvalidRecNum constant if there is no current record (position outside the data file).
If an error occurs, you can get the details of the error with ErrorInfo. <Database>: Character string (with quotes) - Name of database that was opened by cdbOpen,
- Empty string ("") to handle one of the standard databases of the Mobile Device (tasks, contacts, ...).
<Data file>: Character string (with quotes) or constant Data file to use. This parameter corresponds to:- the name of data file to use.
- the constant corresponding to one of the standard databases:
| | cdbContact | "Contacts" database | cdbTask | "Tasks" database | cdbAppointment | "Appointments" database |
If this parameter corresponds to an empty string (""), cdbRecNum will handle the last data file used by the last Mobile Device database management function (function starting with "cdb"). Remarks Accessing a database found on the Mobile Device (Pocket PC) The table below presents the actions that must be performed to access a database found on Mobile Device:
| | | | Database | Standard database (tasks, contacts, appointments, ...) | WINDEV application | - Establish a connection between the current computer and the Mobile Device (ceConnect).
- Open the database to use (cdbOpen).
| Establish a connection between the current computer and the Mobile Device (ceConnect). | WINDEV Mobile application | Open the database to use (cdbOpen). | No specific action is required. | Reminder: From Windows Mobile 5, the access to a standard database (tasks, contacts, appointments, ...) can no longer be performed from a Windows application (and therefore from a standard WINDEV application).
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