Question : How do I join multiple tables using IDataReader

When going from a simple one table select to joining a second table I am unable to read any data from my record set using IDataReader. I know the select statement works because it works in SQL SMS.

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//this works
            using (SqlConnection dbconn = DB.dbConn())
           
            {
                dbconn.Open();
               
                using (IDataReader rs = DB.GetRS("select P.* from Product P   where P.ProductID=3", dbconn))
 
//this does not work
 
            using (SqlConnection dbconn = DB.dbConn())
           
            {
                dbconn.Open();
               
                using (IDataReader rs = DB.GetRS("select P.*, pm.name from Product P join productmanufacturer pm on p.productid = pm.productid  where P.ProductID=3", dbconn))

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Answer : How do I join multiple tables using IDataReader

Perhaps there are no table matches between the 2 joined tables? I would also try using INNER JOIN instead of just JOIN, they are basically the same anyway.