private void btconnectsql_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = IsActive(typeof(FrmSQLConnect)); if (frm == null) { var f = new FrmSQLConnect(); f.MdiParent = this; f.Show(); } else { frm.Activate(); } }
private void btconnectsql_ItemClick(object sender, ItemClickEventArgs e) { Form frm = IsActive(typeof(FrmSQLConnect)); if (frm == null) { var forms = new FrmSQLConnect(); forms.MdiParent = this; forms.Show(); } else { frm.Activate(); } }
private void ConnectDatabase() { string strConnectionString = DatabaseConnection.Instance.GetConnectionString(Application.StartupPath + "\\DATA.XML"); try { sqlCon = new SqlConnection(strConnectionString); sqlCon.Open(); } catch (Exception) { MessageBox.Show("Lỗi ConnectDatabase: Không thể kết nối với CSDL, Vui lòng thử cấu hình lại kết nối", "Lỗi kết nối", MessageBoxButtons.OK, MessageBoxIcon.Error); FrmSQLConnect form = new FrmSQLConnect(); form.Show(); } }
private void btConnectSQL_Click(object sender, EventArgs e) { var f = new FrmSQLConnect(); f.ShowDialog(); }