private void btnLogin_Click(object sender, EventArgs e) { if (cbUserName.Text.Trim() != null && txtPWD.Text.Trim() != "") { usersInfo = userService.GetUsersByUserName(cbUserName.Text.Trim()); if (usersInfo != null) { if (usersInfo.PassWord.Trim() == txtPWD.Text.Trim()) { UMessageBox.Show("登录成功。", "人井监控管理系统", MessageBoxButtons.OK, MessageBoxIcon.Information); if (cbRemember.Checked) { readWriteData.WriteData(usersInfo); } else { usersInfo.PassWord = ""; readWriteData.WriteData(usersInfo); } userName = usersInfo.UserName; userService.UpdateLoginTimeByWork_ID(DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"), usersInfo.Work_ID); this.Close(); this.DialogResult = DialogResult.OK; } else { UMessageBox.Show("密码错误。", "人井监控管理系统", MessageBoxButtons.OK, MessageBoxIcon.Warning); } } else { UMessageBox.Show("用户名错误。", "人井监控管理系统", MessageBoxButtons.OK, MessageBoxIcon.Warning); } } else { UMessageBox.Show("请输入用户名或密码。", "人井监控管理系统", MessageBoxButtons.OK, MessageBoxIcon.Warning); } }