DBNull check for ExecuteScalar

DBNull check for ExecuteScalar



1.asp.net - ASP .NET C# SQL return DBNULL on ExecuteScalar ...

Description:ASP .NET C# SQL return DBNULL on ExecuteScalar. ... I need to
check if item is in stock in order to complete further sales etc. ... by
using com.ExecuteScalar() ...



2.c# - ExecuteScalar returns null or DBNull (development or ...

Description:Check Rein's answer here (and vote him up) for his nice
suggested solution: ... ExecuteScalar returns DBNull for null value from
query and null for no result.



3.Null check on executeScalar - C# / C Sharp

Description:12-10-2006 · Null check on executeScalar. C# / C Sharp Forums
on Bytes. ... Hmmm, I can't check DbNull.Value of an object though. It has
to be the value



4.How to detect NULL value with cmd.ExecuteScalar();

Description:07-06-2005 · Hi - I need to detect when the ExecuteScalar()
method of the cmd object returns NULL. I have tried the below code,
however, it always returns false (this is



5.how to check if ExecuteScalar returns null (datetime) value?

Description:21-02-2007 · how to check if ExecuteScalar returns null
(datetime) value? ... Try changing the "if (result == null)" for "if
(result is DBNull)" Reply; Quote . All Replies



6.how to check if ExecuteScalar returns null (datetime) value?

Description:how to check if ExecuteScalar returns null (datetime) value?
... Try changing the "if (result == null)" for "if (result is DBNull)"
Thursday, February 22, 2007 1:48 AM.



7.Execute Scalar....DBNull vs. Nothing : The Official Microsoft ...

Description:If the answer I provided is useful or informative please check
the "answer" button. Warning: Code is often uncompiled and possibly
started life written on the back of ...



8.Error with NULL using EXECUTE SCALAR : The Official Microsoft ...

Description:Error with NULL using EXECUTE SCALAR ... You need to first
check the returning value of the query that if it is null then ... if not
cmd.ExecuteScalar = DBNull ...



9.How to check execute scalar is returning null values - Dev Shed

Description:How to check execute scalar is returning null values- .Net
Development. Visit Dev Shed to discuss How to check execute scalar is
returning null values



10..Net ADO: Execute Scalar....DBNull vs. Nothing - net-ado ...

Description:Question/Article of: 'Execute Scalar....DBNull vs. Nothing',
with 2 Comments..Net ADO ... query that didn't return anything, then I
would have to check for IsDBNull.