Converts a value, in accordance with the column definition into a string.
<oDataColumn>:Transform(<uValue>) Æ cString
|<uValue>||The value that is to be converted into a string.|
|cString||The value converted into a string.|
bDataColumn:Transform() converts a value into a string.
If a ValueTransformList is defined in the column, for converting the value this list is used.
If a FieldSpec object is defined in the column, for converting the value the method FieldSpec:Transform() is used.
If the column is linked with a field in a server, for converting the value the method Transform() of the associated FieldSpec is used.
If the column is linked with an expression, the value is converted by the function AsString().
If the access bDataColumn:SuspendEmptyValues contains the value TRUE, empty values are returned as NULL_STRING.