protected void BtnImgSend_Click(object sender, ImageClickEventArgs e) { Mailing Mail = new Mailing(); try { Success.Visible = Mail.SendContact(Util.r(txtName.Text), Util.r(txtEmail.Text), Util.r(txtUniversity.Text), Util.r(ddlSubject.SelectedValue), Util.r(txtMessage.Text)); } catch (Exception) { } Err.Visible = !Success.Visible; pnlForm.Visible = false; }