public MyViewModel()
{
MyCommand = new Command(() =>
{
selectedList = new ObservableCollection <LifeDemandData>();
for (int i = 0; i < LifeDemandList.Count; i++)
{
LifeDemandData item = LifeDemandList[i];
if (item.ROWCHECK)
{
selectedList.Add(item);
}
}
App.Current.MainPage.DisplayAlert("Title", selectedList.Count + " item have been selected", "Cancel");
});
LifeDemandList = new ObservableCollection <LifeDemandData>()
{
new LifeDemandData {
DEMAND = "2019/01", LATEFEE = "22,000", PREMIUM = "10.00", ROWCHECK = false, CheckedCommand = MyCommand
},
new LifeDemandData {
DEMAND = "2019/02", LATEFEE = "11,987", PREMIUM = ".00", ROWCHECK = false, CheckedCommand = MyCommand
},
new LifeDemandData {
DEMAND = "2019/03", LATEFEE = "12,456", PREMIUM = "6.00", ROWCHECK = false, CheckedCommand = MyCommand
},
new LifeDemandData {
DEMAND = "2019/04", LATEFEE = "78,159", PREMIUM = "3.00", ROWCHECK = false, CheckedCommand = MyCommand
},
};
}
private void CheckBox_CheckChanged(object sender, EventArgs e)
{
selectedList = new ObservableCollection <LifeDemandData>();
for (int i = 0; i < LifeDemandList.Count; i++)
{
LifeDemandData item = LifeDemandList[i];
if (item.ROWCHECK)
{
selectedList.Add(item);
}
}
DisplayAlert("Title", selectedList.Count + " item have been selected", "Cancel");
// do something you want
}
