private void button1_Click(object sender, EventArgs e) { string examCode = ""; ExaminationsSearchCriteria examinationSearchCriteria = new ExaminationsSearchCriteria(); examinationSearchCriteria.setExaminationName(comboBox1.Text); var resExa = SQLDoc.GetPhysicalExamination(examinationSearchCriteria); foreach (var order in resExa) { examCode = order.examDictionaryTable.Exam_Code; } if (examCode != "" && textBox5.Text != "") { int idAppointment = Int32.Parse(IDVis); int idExamination = Int32.Parse(textBox4.Text); SQLDoc.updatePhysicalExamination(idExamination, examCode, textBox5.Text); Panel P = new Panel(); P.Controls.Clear(); this.Hide(); this.Parent.Controls.Add(new PhysicalExamination(idpat, IDVis, procedure)); } else { MessageBox.Show("Wymagane dane: rodzaj badania, wynik"); } }