DataAccessLayer.DataBase.SetLike C# (CSharp) Method

        public bool SetLike(Guid postId, Guid accountId)
        {
            string queryString =
                "INSERT INTO [dbo].Likes ([dbo].Likes.likeid, [dbo].Likes.postid, [dbo].Likes.accountid) " +
                "VALUES (@likeid, @postid, @accountid); " +
                "UPDATE [dbo].[posts] " +
                      "SET [rating] = rating + 1 " +
                  "WHERE [dbo].posts.postid = @postid";

            using (SqlConnection connection = new SqlConnection(_connectionString))
            {
                var command = new SqlCommand(queryString, connection);

                command.Parameters.AddWithValue("likeid", Guid.NewGuid());
                command.Parameters.AddWithValue("postid", postId);
                command.Parameters.AddWithValue("accountid", accountId);

                try
                {
                    connection.Open();
                    command.ExecuteNonQuery();
                }
                catch (Exception) { return false; throw new Exception(); }
            }
            return true;
        }