private void btnTimKiem_Click(object sender, EventArgs e) { try { ValidateSearch(); gridKetQua.DataSource = TaiKhoan.SelectAll(chkTen.Checked ? txtTen.Text : null, chkLoaiTK.Checked ? (UserType?)cboLoaiTK.SelectedIndex : null); } catch (ArgumentException ex) { MessageBox.Show(ex.Message, "Cảnh báo", MessageBoxButtons.OK, MessageBoxIcon.Warning); } catch (Exception ex) { MessageBox.Show(ex.Message, "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
private void btnXemTatCa_Click(object sender, EventArgs e) { gridKetQua.DataSource = TaiKhoan.SelectAll(null, null); }