private void buttonSave_Click(object sender, EventArgs e)
        {
            QuestionModel question = new QuestionModel(this.richTextBoxImageQuestion.Text, "Image", this.test, Convert.ToInt32(this.textBoxImageValue.Text));

            question.Image = pictureBoxImage.Image;
            question.Answers.Add(new UserChoice(this.textBoxAnswerImage.Text));
            question.Choises.Add(new UserChoice(this.textBoxChoiceImage1.Text));
            question.Choises.Add(new UserChoice(this.textBoxChoiceImage2.Text));
            question.Choises.Add(new UserChoice(this.textBoxChoiceImage3.Text));
            if (questionController.AddQuestionWithImage(question))
            {
                MessageBox.Show("Question Successfuly added");
            }
            else
            {
                MessageBox.Show("error");
            }
        }