private void btnShowReport_Click(object sender, EventArgs e)
{
localhost.Service1 ser = new localhost.Service1();
bool Validstu;
bool ValidStudent;
ser.isValidStudent(txtusername.Text, out Validstu, out ValidStudent);
BindingSource source = new BindingSource();
if (Validstu)
{
source.DataSource = ser.StudentViewReport(txtusername.Text);
ser.StudentViewReport(txtusername.Text);
dataGridView1.DataSource = source;
}
else
{
MessageBox.Show("Invalid Student");
}
}