SetNullValue - method of object PmDatabase

It serves for setting the value that will be returned by the FieldValues property if the item of the database table contains the Null value.
SetNullValue(vValue As Variant, nType As Long) As Boolean
oDb.SetNullValue vValue, nType
vValue(Variant) value that has to be returned by the FieldValues property if the Null value is returned by this property
nType(Long) The definition of columns, the compensatory values are valid for:
1 - for integer numbers columns (of the Integer, Byte and Long type)
2 - for columns of the Boolean type
3 - for columns of the Text type
4 - for columns of the Date type
5 - for real numbers columns (of the Single, Double type)
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