How to add or remove array item in windows phone?

Question

Hi am using xaml file and code given below. I want to get two categories one is current categories and other one is removed categories.If i remove one category it should go to add current category.I don't have any idea about this.so please can any one tell me how to resolve this issue.

<StackPanel>
      <TextBlock Text="Current categories"
                           Style="{StaticResource PhoneTextLargeStyle}"/>

       <ListBox x:Name="AddingList" ItemsSource="{Binding name}" SelectionChanged="AddingList_SelectionChanged_1"/>

        <TextBlock Text="Removed categories"
                           Style="{StaticResource PhoneTextLargeStyle}" />

        <ListBox x:Name="RemoveList" ItemsSource="{Binding name}" SelectionChanged="RemoveList_SelectionChanged_1"/>

 </StackPanel>

my xaml.cs code

    private void Button_Click_1(object sender, RoutedEventArgs e)
    {

        NavigationService.Navigate(new Uri("/CategoriesPage.xaml?" + NotchsList11, UriKind.Relative));

    }

I am using edit button, How can i pass listbox item from edit button to categories page and how remove and add listbox items.

My out put want given below image so please help me some one

Answer 1

Few ways of going about this. One way is to have a single object that has "isRemoved" boolean on it that you just turn on and off. Another way is you could have 2 observablecollections one holding the added, and one holding the removed. so for example:

class:

public class MyData
{
    public bool isRemoved { get; set; }
    public string Name { get; set; }
}

Use:

ObservableCollection<MyData> AllData = new ObservableCollection<MyData>()
AllData.Add(new MyData(){ isRemoved = true, Name = "Data1"}
AllData.Add(new MyData(){ isRemoved = true, Name = "Data2"}
AllData.Add(new MyData(){ isRemoved = false, Name = "Data3"}

AddingList.ItemsSource = AllData.Where(srch => srch.isRemoved == false);
RemoveList.ItemsSource = AllData.Where(srch => srch.isRemoved == true);

In your Remove button click you just set the isRemoved to true and in your Add you set the isRemoved to false.

or you could use 2 ObservableCollections adding and removing from each.