private async void DeleteData(int Id) { if (XtraMessageBox.Show("Are you sure to delete this line? ", "Confirm", MessageBoxButtons.OKCancel) == DialogResult.OK) { var httpStatusCode = await _authorRepository.DeleteAuthorAsync(Id); if (httpStatusCode.ToString().Equals("OK")) { XtraMessageBox.Show("Delete successfully !", "Success", MessageBoxButtons.OK); LoadDataToGridView(); } else { XtraMessageBox.Show("Delete failed !", "Fail", MessageBoxButtons.OK); } } else { return; } }