private void IsValid() { try { var signIn = new Medi_Care.Models.SignIn { Name = txtUserName.Text, Password = txtPassword.Text }; var exist = signInService.GetUser(signIn); if (exist) { Reception reception = new Reception(); reception.SignedInUser(signIn.Name.ToLower()); reception.Show(); this.Hide(); string msge = "Log In Successfull!"; string title = "Success"; MessageBoxButtons buttons = MessageBoxButtons.OK; MessageBoxIcon icon = MessageBoxIcon.Information; message.message(msge, title, buttons, icon); } else { string msge = "Incorrect User Name or Password."; string title = "Sign In Fail"; MessageBoxButtons buttons = MessageBoxButtons.RetryCancel; MessageBoxIcon icon = MessageBoxIcon.Warning; message.message(msge, title, buttons, icon); RefreshForm(); } } catch (Exception) { } }