private void button1_Click(object sender, EventArgs e) { localhost.Service1 service = new localhost.Service1(); bool isValidUpload; bool isValidUploadSpecified; bool isValidTeacherResult; bool isValidTeacherResultSpecified; service.isValidTeacher(textBox1.Text, out isValidTeacherResult, out isValidTeacherResultSpecified); if (isValidTeacherResult) { service.UploadReport(textBox2.Text, textBox1.Text, label3.Text, comboBox1.Text, textBox4.Text, out isValidUpload, out isValidUploadSpecified); if (isValidUpload) { MessageBox.Show("Report has been uploaded"); } else { MessageBox.Show("Invalid Information"); } } else { MessageBox.Show("Invalid Teacher"); } }