protected void btUser_Click(object sender, EventArgs e)
        {
            Button bt = (Button)sender;

            GridViewRow gv = (GridViewRow)bt.NamingContainer;

            int index = gv.RowIndex;

            Button btUser   = (Button)gvReqList.Rows[index].FindControl("btUser");
            String username = btUser.Text;
            User   user     = UserDAO.GetUserByUsername(username);

            lbUsername.Text = "<b>Username : </b>" + username + "\n";
            lbEmail.Text    = "<b>Email : </b>" + user.Email + "\n";
            lbNomeUser.Text = "<b>Nome : </b>" + user.Nome + "\n";
            MPE_User.Show();
        }
 protected void btContactar_Click(object sender, EventArgs e)
 {
     divContactar.Visible = true;
     btContactar.Visible  = false;
     MPE_User.Show();
 }