private void buttonSearch_Click(object sender, EventArgs e)
        {
            Contoller Controller = new Contoller();

            if (Controller.ControllerCheckIfAnimalExist(TextBoxAnimalNr.Text) == false)
            {
                MessageBox.Show("Animal doesn't exist");
            }
            else
            {
                List <string> DoctorList = Controller.ControllerFindAllDoctor();
                TextAnimalName.Text = Controller.ControllerSearchAnimal(TextBoxAnimalNr.Text)[1];
                if (Controller.ControllerSearchAnimal(TextBoxAnimalNr.Text)[2] == "F")
                {
                    CheckBoxMale.Checked   = false;
                    CheckBoxFemale.Checked = true;
                    CheckBoxMale.Enabled   = false;
                }
                else
                {
                    CheckBoxFemale.Checked = false;
                    CheckBoxMale.Checked   = true;
                    CheckBoxFemale.Enabled = false;
                }
                AnimalBirthCalender.Value = Convert.ToDateTime(Controller.ControllerSearchAnimal(TextBoxAnimalNr.Text)[3]);
                TextAnimal.Text           = Controller.ControllerSearchAnimal(TextBoxAnimalNr.Text)[4];
                DoctorComboBox.Text       = Controller.ControllerGetDoctorName(TextBoxAnimalNr.Text);
                TextBoxAnimalChip.Text    = Controller.ControllerSearchAnimal(TextBoxAnimalNr.Text)[6];
            }
        }