Entity Model - Add Function Import - stored procedure returns no columns

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SQL-Server-2005

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SQL

Here is my SP

  alter PROCEDURE PopulateAllObjectiveQuestionsByTopic
    @TopicID dtid
    as SET NOCOUNT on

    begin
       Declare @LevelID varchar(10)
       select @LevelID = substring(@TopicID,1,2)
        declare @SQLString varchar(max)
       select @SQLString = 'select QID,Marks,Question from QBObjective where '+@LevelID+'SubjectID='''+@TopicID+''''
        exec (@SQLString)
    end


When i exeute at SQL i'm returning data but not at EF, is there any thing wrong with my SQL or approch

When i attach it to a Function Import it is saying "The selected procedure returns no columns", but i'm returning data at MSMQ

Posted 4-Nov-12 20:39pm

snsrkrishna

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Rohit Shrivastava 5-Nov-12 15:25pm

Instead of executing dynamic query write a static query with param, change to following

select QID,Marks,Question from QBObjective where CASE WHEN @LevelID = 1 THEN 1SubjectID
WHEN @LevelID=2 THEN 2SubjectID
END = @TopicID

I am sure you have limited number of Level as these are referring columns.

snsrkrishna 6-Nov-12 13:38pm

thank you, working

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Rohit Shrivastava · Accepted Answer · 2012-11-06T08:30:00

Placing answer from comments:

Quote:
Instead of executing dynamic query write a static query with param, change to following

select QID,Marks,Question from QBObjective where CASE WHEN @LevelID = 1 THEN 1SubjectID
WHEN @LevelID=2 THEN 2SubjectID
END = @TopicID

I am sure you have limited number of Level as these are referring columns.

Thanks