private async void btnAddStudent_Click(object sender, EventArgs e) { using (frmStudentInfo frm = new frmStudentInfo(new Student() { StudyForm = false })) { if (frm.ShowDialog() == DialogResult.OK) { try { studentBindingSource3.Add(frm.StudentInfo); db.Students.Add(frm.StudentInfo); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }
private async void btnEdit_Click(object sender, EventArgs e) { Student obj = studentBindingSource3.Current as Student; if (obj != null) { using (frmStudentInfo frm = new frmStudentInfo(obj)) { if (frm.ShowDialog() == DialogResult.OK) { try { studentBindingSource3.EndEdit(); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } } }