public void CreateSqlParamColl ( SqlConnection myConn ) {
   SqlCommand myCmd = new SqlCommand (
      "SELECT * FROM Customers WHERE CustomerID = ?", myConn );
   SqlParameterCollection myParams = myCmd.Parameters;
   SqlParameter myParam = myParams.Add ( new SqlParameter (
      "@CustomerID", SqlDbType.VarChar ) );
}

Public Sub CreateSqlParamColl ( myConn As SqlConnection )
   Dim myCmd As New SqlCommand ( _
      "SELECT * FROM Customers WHERE CustomerID = ?", myConn )
   Dim myParams As SqlParameterCollection = myCmd.Parameters
   Dim myParam As SqlParameter = myParams.Add ( New SqlParameter ( _
      "@CustomerID", SqlDbType.VarChar ) )
End Sub