How to execute a stored procedure within C# program

Question

I want to execute this stored procedure from a C# program.

I have written the following stored procedure in a SqlServer query window and saved it as stored1:

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Answer 1

SqlConnection conn = null;
SqlDataReader rdr  = null;
conn = new SqlConnection("Server=(local);DataBase=Northwind;Integrated Security=SSPI");
conn.Open();

// 1.  create a command object identifying
//     the stored procedure
SqlCommand cmd  = new SqlCommand("CustOrderHist", conn);

// 2. set the command object so it knows
//    to execute a stored procedure
cmd.CommandType = CommandType.StoredProcedure;

// 3. add parameter to command, which
//    will be passed to the stored procedure
cmd.Parameters.Add(new SqlParameter("@CustomerID", custId));

// execute the command
rdr = cmd.ExecuteReader();

// iterate through results, printing each to console
while (rdr.Read())
{
    Console.WriteLine("Product: {0,-35} Total: {1,2}", rdr["ProductName"], rdr["Total"]);
}