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NVARCHAR not recognized built-in function name

Posted on 2014-07-24
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Last Modified: 2014-07-24
I'm writing some code that is from a lesson.  I've added a field to a table as xml.  In VS2010, I run my app and the gridview doesn't show up, it does throw and error and it seems to be in SQL.  I'm trying to show the data as nvarchar.  Here's the select statement used.

SELECT id, date_added, comment, application_name,extra_data.value('(/data/@username)[1]', nvarchar(100)) as username FROM ApplicationLog WHERE Application_Name = @appname


I haven't been able to find anything that talks about what is needed to fix it.  I'm just learning the development aspect of things here at work.  Help is greatly appreciated.  Thanks
Sherry
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Question by:Sherry
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Snarf0001 earned 1000 total points
ID: 40218278
You have to wrap the datatype in single quotes as well (passing it as a string):

SELECT id, date_added, comment, application_name,extra_data.value('(/data/@username)[1]', 'nvarchar(100)') as username FROM ApplicationLog WHERE Application_Name = @appname
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by:Sherry
ID: 40218292
Perfect, thank you.  I thought it would be something simple like that.
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