Error when using SP in data flow

I want to execute a stored procedure in an OLE DB source in a Data Flow Task.

The stored procedure has a parameter.

When I put in an SQL command as :

EXEC sp_readcustomers 1

(thus passing 1 as the parameter value I can use the Preview button and I get a list of columns being returned.

The data flow task should run inside a ForEach Loop where I assign the value of an ADO resultset to a variable and it is this variable I want to pass to the SP :

EXEC sp_readcustomers ?

In the Parameter mapping I then name the parameter @.par_company_id (which is the exact same name as in the SP) and map it to the variable var_company_id.

@.par_company_id has been declared as int, var_company_id as Int16

When I now try to Parse or Preview the query from the OLE DB Source Edit window I get the following errors :

Parse : Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Preview : No value given for one or more required parameters (Microsoft SQL Native Client)

I have already installed SQL 2005 SP2 and VS2005 SP1.

I have tried everything I know, please help ?!?!

Have you tried putting the SQL Statment in a variable? You can parametrized queries using expressions in variables; then the source component will get the sql statemnt from the variable. There are a lot of example on this forum.|||

I have tried that.

I created a variable, set EvaluateAsExpression to True and entered the select statement as an expression.

Problem is that I can't select the variable, it is in the correct scope but it doesn't show up in the drop-down list of the OLE DB Source.

When you look at the documentation (Books online, etc. ...) I'm using the correct method to pass parameters to a stored procedure, is this a bug in VS/SQL ?

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Ronald Dirkx wrote:

I have tried that.

I created a variable, set EvaluateAsExpression to True and entered the select statement as an expression.

Problem is that I can't select the variable, it is in the correct scope but it doesn't show up in the drop-down list of the OLE DB Source.

When you look at the documentation (Books online, etc. ...) I'm using the correct method to pass parameters to a stored procedure, is this a bug in VS/SQL ?

To use the variable in an OLE DB Source, select the data access mode of "SQL command from variable." Then your variable will show up in the drop down.