public void addWeightItem(weightItem newWeightItem)
{
//add a to-do list item to the data context
allWeightDB.weightList.InsertOnSubmit(newWeightItem);
//submit changes to database
allWeightDB.SubmitChanges();
//add weight into the weight collection
AllWeightItems.Add(newWeightItem);
}
public void deleteWeightItem(weightItem weightItemtoBeDeleted)
{
//remove weight item from weight collection
AllWeightItems.Remove(weightItemtoBeDeleted);
//remove weight item from data context
allWeightDB.weightList.DeleteOnSubmit(weightItemtoBeDeleted);
//save the changes to the database
allWeightDB.SubmitChanges();
}
private void appbarSubmitButton_Click(object sender, EventArgs e)
{
//confirm there is some text in the text box
if (weightBox.Text.Length > 0)
{
weightItem item = new weightItem
{
Weight = weightBox.Text,
DateofMeasurement = newWeightDate.Value.Value.ToShortDateString()
};
//add the item to the viewmodel
App.ViewModel.addWeightItem(item);
//return to the main page
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
}
}