Data Ortogonale Projection
Vdf_browseTopBottom 

It enables a selection of value from user form for forming filter.

Class name : Vdf_PrimaryObject.vcx

User Primary/Candidate/Regular object

Working review of the object

Return value from object : String value (method->xWriteFilter)

Display of the object

Action for forming filter:
1)      
Left click on switch activates click method for including/excluding choice      of     filter value.
2)      
Right click on switch performs changing of filter condition  (AND or NOT AND).
Action on commandBrowse or on switch activates method xLightOffGrid.

Add methods

Methods

Description

Return

xLightOffGrid

It has been registered any change on activating object. The user would form it.

Nill

xWriteFilter It formed value of a filter.

String

Add properties

Properties Description Type In/Out
xFilterKey

The name of field for which a filter has been forming

String In
xPartOfInList

Does it take part as primary object in forming IN LIST obj.

Logical In
xPartOfOrList Does it take part as primary object in forming OR obj. .F.  
xDoForm Screen form name for value selection. Character In
xValueKey A value for which has been searching a filter Undefine Out

Note: 
        - Object takes part in forming IN LIST advanced object.  

Example

Example of forming filter for user class.
String value of filter is : orders.order_number = " 6"


See also
Primary/Candidate/Regular object
See also
Vdf objects | Special objects | Extended objects | Kondesed objects

Working with NULL value

Display of the object

Example

Example of forming filter for user class.
String value of filter is : orders.order_number  is NOT NULL

 

About user form / Example /