private void button1_Click(object sender, EventArgs e)
{
localhost.Service1 ser = new localhost.Service1();
bool isvalidteacher;
bool isvalidteacherpassed;
ser.IsLoginTeacher(txtusername.Text, txtpassword.Text, out isvalidteacher, out isvalidteacherpassed);
if (isvalidteacher)
{
MessageBox.Show("Valid Teacher");
}
else
{
MessageBox.Show("Invalid Teacher");
}
}