Stored Procedure with Sql Parameter in c#

using (SqlCommand cmd = new SqlCommand("sp_getrewardincome", con))

{

    cmd.CommandType = CommandType.StoredProcedure;

    SqlDataAdapter ad = new SqlDataAdapter(cmd);

    cmd.Parameters.AddWithValue("@id", id);

    cmd.Parameters.AddWithValue("@type", "update");

    dt = new DataTable();

    ad.Fill(dt);

   

}

using (SqlCommand cmd = new SqlCommand("sp_getrewardincome", con))

{

    cmd.CommandType = CommandType.StoredProcedure;

    SqlDataAdapter ad = new SqlDataAdapter(cmd);

    cmd.Parameters.AddWithValue("@id", id);                    

    cmd.Parameters.AddWithValue("@type", "update");

    //cmd.Parameters.Add("@result", SqlDbType.NVarChar, 3000);

    //SqlParameter ptr = cmd.Parameters["@result"];

    //ptr.Direction = ParameterDirection.Output;

    con.Open();

    cmd.ExecuteNonQuery();    

}