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Problems with the combobox!!!
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Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Title:
Problems with the combobox!!!
Environment versions
Visual FoxPro:
VFP 9
OS:
Windows XP SP2
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01075972
Message ID:
01075972
Views:
72
Hi everybody,

I have the following code in the lAddBlank_Assign method (this is a custom property of the combobox):
LPARAMETERS vNewVal
LOCAL lnI, lnCols
*To do: Modify this routine for the Assign method
WITH THIS
	.lAddBlank = m.vNewVal
	IF .lAddBlank AND ASCAN(.aRowSource,SPACE(1),1,-1,1) = 0
		lnCols = ALEN(.aRowSource,2)
		DIMENSION .aRowSource[ALEN(.aRowSource,1)+1, m.lnCols] && add one more row
		AINS(.aRowSource,1) && inserts a row
		FOR lnI =1 TO m.lnCols
			*-- CHANGE - NN - December 06, 2005 - 16:20:47 - added NULL
			STORE IIF(m.lnI=2, NULL,SPACE(1)) TO .aRowSource [1, m.lnI]
		NEXT
	ENDIF
ENDWITH
The code is executed. However, the value for that blank row is empty and not null. Does it mean, that the comobobox with the array as rowsource can not have a null value inserted? Should I try to replace myself the empty value with NULL? Do you have ideas what could be wrong?

The original value is NULL in the table.

Thanks a lot in advance.
If it's not broken, fix it until it is.


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