DevGetField

Gets field data from the current record in a device.

Syntax

DevGetField(hDev, Field)

hDev:

The device handle, returned from the DevOpen() function. The device handle identifies the table where all data on the associated device is stored.

Field:

The field name, as a string of up to 10 characters. (The dBASE file format limits all field names to a maximum of 10 characters.)

Return Value

The field data (as a string). If the field is not found an empty string is returned.

Related Functions

DevOpen, DevSetField

Example

INT

FUNCTION

GetRecipe(STRING sName)

	INT hDev;

	hDev = DevOpen("Recipe", 0);

	IF hDev >= 0 THEN

		DevSeek(hDev, 1);

		IF DevFind(hDev, sName, "NAME") = 0 THEN

			PLC_FLOUR = DevGetField(hDev, "FLOUR");

			PLC_WATER = DevGetField(hDev, "WATER");

			PLC_SALT = DevGetField(hDev, "SALT");

			PLC_MILK = DevGetField(hDev, "MILK");

		ELSE

			DspError("Cannot Find Recipe " + sName);

		END

		DevClose(hDev);

	ELSE

		DspError("Cannot open recipe database");

	END

END

See Also

Device Functions