void OnTapped()
{
//checks that the database has elements before proceeding
if (QueryList.Count() > 0)
{
//adds first category
HistoricalStandingsDataList.Add(new HistoricalStandingTitleModel {
Title = QueryList.First().TournamentName
});
//checks for each element if there already exists a matching category, adds it if not
for (int i = 1; i < QueryList.Count(); i++)
{
if (QueryList.ElementAt(i).TournamentName != QueryList.ElementAt(i - 1).TournamentName)
{
bool add = true;
foreach (var item in HistoricalStandingsDataList)
{
if (item.Title.ToUpper() == QueryList.ElementAt(i).TournamentName.ToUpper())
{
add = false;
}
}
if (add)
{
HistoricalStandingsDataList.Add(new HistoricalStandingTitleModel {
Title = QueryList.ElementAt(i).TournamentName
});
}
}
}
ShowListView = !_showListView;
if (_showListView)
{
ArrowImage = "up_arrow.png";
}
else
{
ArrowImage = "down_arrow.png";
}
}
}