0002330: JvDBLookupCombo crashes with empty lookup table - JEDI Issue Tracker

ID	Project	Category	View Status	Date Submitted	Last Update

0002330	JEDI VCL	00 JVCL Components	public	2004-11-22 17:44	2004-11-26 01:17

Reporter	Achim Metzen	Assigned To	AHUser
Priority	normal	Severity	minor	Reproducibility	always
Status	resolved	Resolution	fixed
Product Version	3.00 BETA 2
Target Version		Fixed in Version	3.00 RC 1

Summary	0002330: JvDBLookupCombo crashes with empty lookup table
Description	JvDBLookupCombo: When set DisplayEmpty to any Value<>'' and DropdownCount at runtime to Dataset.RecordCount+1, I get a AV with an empty table (RecordCount=0).
Additional Information	JvDBLookupCombo: DropdownCount :=Dataset.RecordCount+1+Integer(Dataset.RecordCount=0) is OK.
Tags	No tags attached.

2004-11-22 17:44	JediTest.zip (10,939 bytes)

2004-11-22 17:57	CallStackinfo.txt (2,430 bytes) Call Stack Information: --------------------------------------------------------------------------------------- \|Address \|Module \|Unit \|Class \|Procedure/Method \|Line\| --------------------------------------------------------------------------------------- \|004D7D2A\|Project1.exe\|JvDBLookup.pas \|TJvDBLookupList \|UpdateScrollBar \|2121\| \|004B883E\|Project1.exe\|JvDBUtils.pas \|TJvLocateObject \|SetDataSet \|270 \| \|004D7CF4\|Project1.exe\|JvDBLookup.pas \|TJvDBLookupList \|UpdateScrollBar \|2107\| \|004D6FE5\|Project1.exe\|JvDBLookup.pas \|TJvDBLookupList \|ListDataChanged \|1719\| \|004D6F60\|Project1.exe\|JvDBLookup.pas \|TJvDBLookupList \|ListDataChanged \|1704\| \|004D6F50\|Project1.exe\|JvDBLookup.pas \|TJvDBLookupList \|ListLinkActiveChanged \|1699\| \|004D544B\|Project1.exe\|JvDBLookup.pas \|TLookupSourceLink\|ActiveChanged \|711 \| \|004D647D\|Project1.exe\|JvDBLookup.pas \|TJvLookupControl \|SetLookupSource \|1362\| \|004D6468\|Project1.exe\|JvDBLookup.pas \|TJvLookupControl \|SetLookupSource \|1360\| \|004D83E6\|Project1.exe\|JvDBLookup.pas \|TJvDBLookupCombo \|CloseUp \|2369\| \|004D92FB\|Project1.exe\|JvDBLookup.pas \|TJvDBLookupCombo \|MouseDown \|2819\| \|004A20F4\|Project1.exe\|JvExControls.pas\| \|InheritMessage \|821 \| \|004A20EC\|Project1.exe\|JvExControls.pas\| \|InheritMessage \|819 \| \|004A2837\|Project1.exe\|JvExControls.pas\| \|DispatchMsg \|1065\| \|5D468532\|comctl32.dll\| \| \|DefSubclassProc \| \| \|5D4684F1\|comctl32.dll\| \| \|DefSubclassProc \| \| \|77D1B80E\|user32.dll \| \| \|IsWindow \| \| \|004A1137\|Project1.exe\|JvThemes.pas \|TThemeHook \|WndProc \|1539\| \|7C9110ED\|ntdll.dll \| \| \|RtlLeaveCriticalSection\| \| \|004A1137\|Project1.exe\|JvThemes.pas \|TThemeHook \|WndProc \|1539\| \|77D1BCC7\|user32.dll \| \| \|DispatchMessageA \| \| \|77D1BCBD\|user32.dll \| \| \|DispatchMessageA \| \| \|004DADA7\|Project1.exe\|Project1.dpr \| \| \|13 \| --------------------------------------------------------------------------------------- CallStackinfo.txt (2,430 bytes)

AHUser 2004-11-26 01:17 developer ~0005719	Fixed in CVS. The FLookupLink.Active was net tested before accessing FLookupLink.DataSet...

Date Modified	Username	Field	Change
2004-11-22 17:44	Achim Metzen	New Issue
2004-11-22 17:44	Achim Metzen	File Added: JediTest.zip
2004-11-22 17:57	Achim Metzen	File Added: CallStackinfo.txt
2004-11-26 01:17	AHUser	Status	new => resolved
2004-11-26 01:17	AHUser	Resolution	open => fixed
2004-11-26 01:17	AHUser	Assigned To	=> AHUser
2004-11-26 01:17	AHUser	Note Added: 0005719