ModifyValueTypeOfSelectedToNull (Method)
Functional Description
This method is used to set the value of the selected item to TypeNull.
The return value of type BOOL indicates TRUE if the execution has been processed successfully.
If the return value is FALSE, refer to the properties Result and ResultMsg for details.
The method has no inputs.
NOTE: By executing this method, a previously detected error indicated by the corresponding properties is reset.
NOTE: To complete this method successfully, an item of type TypeString / TypeNumber / TypeBoolean / TypeNull must be selected (refer to ET_JsonValueTyp).
NOTE: If required, special characters are implicitly added by the method. This can increase the string length.