protected void lbAddRoom_Click(object sender, EventArgs e)
{
divRoomSettings.Visible = true;
txtRoomDescription.Text =
txtRoomId.Text = txtRoomName.Text = txtRoomPassword.Text = txtRoomWelcome.Text = string.Empty;
chkEnabled.Checked = chkPrivateRoom.Checked = false;
chkShowRoom.Checked = true;
}