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Record deleted from rowsource of ComboBox
Message
De
04/01/2010 17:04:08
 
 
À
04/01/2010 16:49:25
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 6 SP5
OS:
Windows XP SP2
Network:
Windows 2008 Server
Database:
Visual FoxPro
Application:
Desktop
Divers
Thread ID:
01441974
Message ID:
01441998
Vues:
27
WOW! Thanks Marcia.


>Now, when the cust table screen is opened, the ComboBox displays a blank, even though the cust.refby record still contains "Fall 08 Sample"
>
>The customer sees this and thinks the cust.refby field is blank, when it's not.
>
>Is there a way around this action?

>
>
>**************************************************
>*-- Class:        cbonotinlist
>*-- ParentClass:  combobox 
>*-- BaseClass:    combobox
>*-- Time Stamp:   12/12/99 06:38:09 PM
>*-- allows selection of an item not in the combo's list to be used as its controlsource...only works if the combo's bound column is 1
>*
>DEFINE CLASS cbonotinlist AS COMBOBOX
>
>  *-- Used to save the control source of the combo before the control is unbound
>  ccontrolsource = ""
>  NAME = "cbonotinlist"
>
>
>  *-- Called from Valid...it updates the "bound" field
>  PROCEDURE updatecontrolsource
>    LOCAL lcAlias, lcControlSource
>    WITH THIS
>      IF ! EMPTY( .ccontrolsource )
>        lcAlias = JUSTSTEM( .ccontrolsource )
>        IF UPPER( ALLTRIM( lcAlias ) ) = 'THISFORM'
>          lcControlSource = .ccontrolsource
>          STORE .DISPLAYVALUE TO &lcControlSource
>        ELSE
>          REPLACE ( .ccontrolsource ) WITH .DISPLAYVALUE IN ( lcAlias )
>        ENDIF
>      ENDIF
>    ENDWITH
>
>  ENDPROC
>
>
>  *-- Updates display value from the field in the underlying table if this is a "bound" control
>  PROCEDURE refreshdisplayvalue
>    LOCAL lcControlSource
>    WITH THIS
>      IF ! EMPTY( .ccontrolsource )
>        lcControlSource = .ccontrolsource
>        .DISPLAYVALUE = &lcControlSource
>      ENDIF
>    ENDWITH
>  ENDPROC
>
>
>  PROCEDURE INIT
>    IF DODEFAULT()
>      WITH THIS
>        .ccontrolsource = .CONTROLSOURCE
>        .CONTROLSOURCE = ''
>      ENDWITH
>    ENDIF
>  ENDPROC
>
>
>  PROCEDURE VALID
>    THIS.updatecontrolsource()
>  ENDPROC
>
>
>  PROCEDURE REFRESH
>    THIS.refreshdisplayvalue()
>  ENDPROC
>
>
>  PROCEDURE GOTFOCUS
>    IF LOWER( THIS.PARENT.BASECLASS ) = 'column'
>      *** This is needed so it will work in a grid
>      COMBOBOX::GOTFOCUS()
>      THIS.refreshdisplayvalue()
>      NODEFAULT
>    ELSE
>      DODEFAULT()
>    ENDIF
>  ENDPROC
>
>
>ENDDEFINE
>
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