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Webmaster Forum / ASP / Database Access / December 2007recordset fields checking against NULL value?
I've an ASP page with a ADO recordset, namely rst. how could I check for a NULL value in the VB Script ASP? Is the below correct? If rst.Fields("MyColumn") Is NULL Then .... Else .... End If What is the correct way to check a specific column value whether is it NULL value? Thanks!  SignatureRegards, Pedestrian, Penang. I've found the answer : If rst.Fields("MyColumn") Is Nothing Then ... I was finding the equivalent of DBNull.Value of .NET >I've an ASP page with a ADO recordset, namely rst. > [quoted text clipped - 12 lines] > >Thanks! SignatureRegards, Pedestrian, Penang. The correct one should be: If (rst.Fields("OldTypeOfLeave") = "NULL") Then ... >I've found the answer : > [quoted text clipped - 8 lines] >> >>Thanks! SignatureRegards, Pedestrian, Penang. pedestrian via WebmasterKB.com wrote on 06 nov 2007 in microsoft.public.inetserver.asp.db: > The correct one should be: > > If (rst.Fields("OldTypeOfLeave") = "NULL") Then > ... "The correct" is a dangerous presumption. So Null is a string???? [And please do not toppost on usenet] If isNull(rst.Fields("OldTypeOfLeave")) Then SignatureEvertjan. The Netherlands. (Please change the x'es to dots in my emailaddress) > pedestrian via WebmasterKB.com wrote on 06 nov 2007 in > microsoft.public.inetserver.asp.db: [quoted text clipped - 11 lines] > > If isNull(rst.Fields("OldTypeOfLeave")) Then Evertjan - Thank you so much for the helpful info. I was just wrestling with a similar issue, and found your post after searching the web. It got me up and going again - appreciate it. > pedestrian via WebmasterKB.com wrote on 06 nov 2007 in > microsoft.public.inetserver.asp.db: [quoted text clipped - 11 lines] > > If isNull(rst.Fields("OldTypeOfLeave")) Then =?Utf-8?B?cXVhbnR1bWtldg==?= wrote on 13 dec 2007 in microsoft.public.inetserver.asp.db: > Evertjan - > > Thank you so much for the helpful info. I was just wrestling with a > similar issue, and found your post after searching the web. It got me > up and going again - appreciate it. I wrote this 6 november ;-) >> pedestrian via WebmasterKB.com wrote on 06 nov 2007 in >> microsoft.public.inetserver.asp.db: [quoted text clipped - 9 lines] >> >> [And please do not toppost on usenet] See below, why still persist in topposting? And please do not quote signatures on usenet, that's what the -- starting line is for. Usenet netiquette is sensible. >> If isNull(rst.Fields("OldTypeOfLeave")) Then SignatureEvertjan. The Netherlands. (Please change the x'es to dots in my emailaddress) |
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