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Strongly Typed Dataset Question
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De
17/04/2007 12:56:28
 
 
À
13/04/2007 11:24:13
Mike Cole
Yellow Lab Technologies
Stanley, Iowa, États-Unis
Information générale
Forum:
ASP.NET
Catégorie:
ADO.NET
Versions des environnements
Environment:
VB.NET 1.1
Divers
Thread ID:
01215567
Message ID:
01216853
Vues:
12
Mike,

If you want to continue using the IIF statement (which C# doesn't have, BTW), then you can do it like this:
IIF(dr.IsFieldNameNull,"",dr("FieldName"))
~~Bonnie




>So far this is my only complaint with Strongly Typed Datasets, and I hope it is just because of lack of knowledge.
>
>My datarow contains a decimal type field which is Null. I need to convert it to a string. When I try dr.FieldName.ToString I get a runtime error because it is DBNull. When I try dr.Item("FieldName").ToString, it works and I end up with an empty string.
>
>When I try IIF(dr.IsFieldNameNull,"",dr.FieldName), I get an runtime error because I am assuming it is evaluating both results.
>
>Before I have done a full IF statement, but that is going to really suck doing that for every field that could be Null. What is the recommended way of handling this?
>
>Thanks!
Bonnie Berent DeWitt
NET/C# MVP since 2003

http://geek-goddess-bonnie.blogspot.com
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