C# Configure Data Source

Question

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Hello,

Im trying to configure a Chart in C# but i keep getting this error Message :
"The variable name <name> as already been declared. Variable names must be unique within a query batch or a storage procedure."

I tried to change the varible name and that message keeps showing.

Thanks.

Heres the code :

SQL

declare @var varchar
SET @var = ''

Heres a PrtScreen
http://postimage.org/image/saavng62p/[^]

Posted 21-May-12 3:55am

Member 8956437

Updated 21-May-12 4:41am

v2

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sjelen 21-May-12 10:05am

The posted code does not demonstrate the error. Improve question and provide more details.

Member 8956437 21-May-12 10:37am

Its just that, i get that error only by writting that code. I will provide a ScreenShot.

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Leonardo Paneque · Accepted Answer · 2012-05-21T06:08:00

Solution 1

oh you can't do that on queries in a datasource in .net

you can only write queries like "select ...." "delete...." etc.
but you can not declare stuff like that, if you need it, will have to do it using an stored procedure and select the output from the stored proc.

Posted 21-May-12 6:08am

Leonardo Paneque

Comments

Member 8956437 21-May-12 12:28pm

Thanks.
Whats that stored procedure?

[no name] 21-May-12 12:34pm

http://msdn.microsoft.com/en-us/library/aa174792(v=sql.80).aspx