private void btnConfirm_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(this.txtUserName.Text)) { XtraMessageBox.Show("User name is empty!", "提示", MessageBoxButtons.OK); return; } if (string.IsNullOrEmpty(this.txtPassword.Text)) { XtraMessageBox.Show("Password is empty!", "提示", MessageBoxButtons.OK); return; } UserVM vm = _bll.Login(new UserVM { Account = this.txtUserName.Text.Trim() }); if (vm != null) { if (vm.Password == this.txtPassword.Text.Trim()) { RememberPassword(); GlobalObject.User = vm; GetUserRoles(); } else { XtraMessageBox.Show("Password is not correct!", "提示", MessageBoxButtons.OK); return; } } else { XtraMessageBox.Show("User name is not exists!", "提示", MessageBoxButtons.OK); return; } }