>>You need to define oProc at the top. Remember that an IF block is a scope.
>>
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>They are of two different types, you can't do that. What you'll need to do is create a common type/interface and inherit each class from that base type. you then can declare the oProc as base type and you'll be able to do what you want.

There's gotta already be some kind of commonality, even if it's only an object, considering that he passes the oProc object to:

int iRetVal = csAppDataAccess.ExecuteNonQuery(oProc);

So, whatever type of parameter that his ExecuteNonQuery() method is expecting is the common object.

~~Bonnie