protected void btnSend_Click(object sender, EventArgs e)
{
string body = "<html><body>";
body += "<h3>Email Activation</h3>";
body += "<p>Welcome to GAU Courseware. <a href=\"http://localhost:1051/student/index.aspx\">Click Here to activate your account</a></p>";
body += "</body></html>";
es.ESend(txtFrom.Text, txtTo.Text, txtSub.Text, body);
}