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Editorial Team
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Asked: 2026-05-26T04:07:49+00:00

Say I have a stored procedure GetAddressInfo(addressId int, errorCode int output) . The stored

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Say I have a stored procedure GetAddressInfo(addressId int, errorCode int output). The stored procedure returns AddressLine1 and State if addressId matches a row in the database. If row is not found, then the error code is set to non-zero value AND no select statement is fired. So it would look like this:

if (valid address id) begin
    Set errorCode = 1
    return
end

select AddressLine1, State from ....

When I use EF 4.0 to call such stored procedure, I get an Entity Framework exception when address id is invalid. The exception mentions that column AddressLine1 was not part of the data reader.

I was expecting no results (no records) and output error code parameter set to 1. Instead, I’m getting exceptions. I simply want to stop processing the rest of the stored procedure and return immediately. Seems like this is not supported very well by EF 4.0.

Any ideas on this?

Thanks in advance!

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1 Answer

  1. Editorial Team

    This is one of the prime arguments against stored procs – business logic starts to end up in them. Im not saying Im voting either way – just note what you are experiencing is a problem and makes it a bit more difficult to unit test.

    EF generally needs to know the fields that are being returned (depending how you have it mapped). How specifically are you calling this proc? directly on the context, or is it mapped to an entity operation (a select-read operation for example)

    If its mapped to a read operation, you need to change how you are doing this. Your column output list should be consistent.

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