protected override void InternalValidate()
{
base.InternalValidate();
if (_PassRank == null)
{
AddError(PASS_RANK_PROPERTY, PASS_RANK_PROPERTY_ERROR);
}
else if (_PassRank <= 0)
{
AddError(PASS_RANK_PROPERTY_ERROR2);
}
else if (HasPageItem)
{
int?passRank;
int p = PageItem.GetTotalPoints(out passRank);
if (passRank != null && p < passRank)
{
AddError(PASS_RANK_IS_MORE_THAN_SUM_OF_RANKS);
}
}
int buttonsCount = 0;
foreach (Control c in Control.Controls)
{
if (c.Tag is HtmlButton)
{
buttonsCount++;
}
}
if (buttonsCount != 1)
{
if (buttonsCount == 0)
{
AddError(NO_BUTTONS_ERROR);
}
else
{
AddError(MORE_THEN_ONE_BUTTON);
}
}
}
