private void textBoxModel_TextChanged(object sender, EventArgs e) { ICheckErrorProvider checkErrorProvider = new CheckErrorProvider(); checkErrorProvider.IsLetterAndDigitCheck(errorProvider3, textBoxModel); }
private void textBoxSerialNumber_TextChanged(object sender, EventArgs e) { ICheckErrorProvider checkErrorProvider = new CheckErrorProvider(); checkErrorProvider.IsLetterAndDigitCheck(errorProvider1, textBoxSerialNumber); }