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SQL Server Scalar UDF as report textbox controlsource

Posted on 2013-01-10
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I have a Scalar UDF in SQL Server that returns a single value for a passed parameter.

I have an MS Access mdb that uses that links to the SQL Server.

I have a report where I want to bind a textbox to the UDF. Is that possible?

If not, how would I write a VBA function that calls the UDF and returns the value?

While waiting for an answer, I am going to look to see if I'm able to just include the UDF in the SQL Server recordsource that the report is already using. That would be a much cleaner solution. But, in case I can't do that, I'd like an answer to the above.

Thanks!
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Question by:Kaprice
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Guy Hengel [angelIII / a3] earned 1500 total points
ID: 38762115
>I want to bind a textbox to the UDF.
as you need some parameter, I don't see how that could work out.
also, a textbox is for "data input", while UDF refers to "data display only", so you eventually want to say "label" instead, or at least a read-only textbox.

>If not, how would I write a VBA function that calls the UDF and returns the value?
like any other sql query you would run towards the sql server:
select dbo.Your_UDF(<parameter)
the question is: do you already have the connection part in the VBA? what exactly would you need there?

>I am going to look to see if I'm able to just include the UDF in the SQL Server recordsource that the report is already using.
sure. you can add a UDF function in a select
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Author Comment

by:Kaprice
ID: 38763720
as you need some parameter, I don't see how that could work out.
 
Well, it would be very straightforward if it were an Access function. In the control's controlsource, I would put "=myfunction(txtOtherControl)"
a textbox is for "data input", while UDF refers to "data display only", so you eventually want to say "label" instead, or at least a read-only textbox.
They still call it a textbox in  a report, even if it's for display only. At least I use the same texbox control from the toolbox.
select dbo.Your_UDF(<parameter)
If adding it directly to the report's recordsource, I'll try this.
I'll report back later today.
Thanks.
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Author Closing Comment

by:Kaprice
ID: 38766147
I was able to add the function to the select statement in SQL Server that was the report's recordsource.

Expert's answer gave me confidence with options to try.
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