private void Window1_Loaded(object sender, RoutedEventArgs e)
{
IQueryable<Order> query = from o in db.Orders.Include("OrderDetails")
//where o.OrderDate >= System.Convert.ToDateTime("1/1/2009")
orderby o.OrderDate descending, o.Customer.LastName
select o;
this.OrderData = new OrdersCollection(query, db);
IQueryable<Customer> customerList = from c in db.Customers
where c.Orders.Count > 0
orderby c.LastName, c.FirstName
select c;
IQueryable<Product> productList = from p in db.Products
orderby p.Name
select p;
this.MasterViewSource = (CollectionViewSource)this.FindResource("MasterViewSource");
this.DetailViewSource = (CollectionViewSource)this.FindResource("DetailsViewSource");
this.MasterViewSource.Source = this.OrderData;
CollectionViewSource customerSource = (CollectionViewSource)this.FindResource("CustomerLookup");
customerSource.Source = customerList.ToList(); // A simple list is OK here since we are not editing Customers
CollectionViewSource productSource = (CollectionViewSource)this.FindResource("ProductLookup");
productSource.Source = productList.ToList(); // A simple list is OK here since we are not editing Products
this.MasterView = (ListCollectionView)this.MasterViewSource.View;
MasterView.CurrentChanged += new EventHandler(MasterView_CurrentChanged);
this.DetailsView = (BindingListCollectionView)this.DetailViewSource.View;
}
public Window4()
{
InitializeComponent();
mycontext=MakeDataSource();
bv= new BindingListCollectionView(mycontext.DefaultView);
myCanvas.DataContext = bv;
}
private void MasterDetailBindingWindow_Loaded(object sender, RoutedEventArgs e)
{
IQueryable<Order> query = from o in db.Orders.Include("OrderDetails")
//where o.OrderDate >= System.Convert.ToDateTime("1/1/2009")
orderby o.OrderDate descending, o.Customer.LastName
select o;
this.OrderData = new OrdersCollection(query, db);
// Make sure the lookup lists are pulled from the same ObjectContext
// (OMSEntities) that the order query uses above.
// Also have to make sure you return a list of whole entites and not a
// projection of just a few fields otherwise the binding won// t work.
IQueryable<Customer> customerList = from c in db.Customers
where c.Orders.Count > 0
orderby c.LastName, c.FirstName
select c;
IQueryable<Product> productList = from p in db.Products
orderby p.Name
select p;
this.MasterViewSource = (CollectionViewSource)this.FindResource("MasterViewSource");
this.DetailViewSource = (CollectionViewSource)this.FindResource("DetailsViewSource");
this.MasterViewSource.Source = this.OrderData;
CollectionViewSource customerSource = (CollectionViewSource)this.FindResource("CustomerLookup");
customerSource.Source = customerList.ToList(); // A simple list is OK here since we are not editing Customers
CollectionViewSource productSource = (CollectionViewSource)this.FindResource("ProductLookup");
productSource.Source = productList.ToList(); // A simple list is OK here since we are not editing Products
this.MasterView = (ListCollectionView)this.MasterViewSource.View;
MasterView.CurrentChanged += new EventHandler(MasterView_CurrentChanged);
this.DetailsView = (BindingListCollectionView)this.DetailViewSource.View;
}
/// <summary>
/// Return the object associated with (collection, cvs, type).
/// If this is the first reference to this view, add it to the tables.
/// </summary>
/// <exception cref="ArgumentException">
/// Thrown when the collectionViewType does not implement ICollectionView
/// or does not have a constructor that accepts the type of collection.
/// Also thrown when the named collection view already exists and is
/// not the specified collectionViewType.
/// </exception>
internal ViewRecord GetViewRecord(object collection, CollectionViewSource cvs, Type collectionViewType, bool createView)
{
// Order of precendence in acquiring the View:
// 0) If collection is already a CollectionView, return it.
// 1) If the CollectionView for this collection has been cached, then
// return the cached instance.
// 2) If a CollectionView derived type has been passed in collectionViewType
// create an instance of that Type
// 3) If the collection is an ICollectionViewFactory use ICVF.CreateView()
// from the collection
// 4) If the collection is an IListSource call GetList() and perform 5),
// etc. on the returned list
// 5) If the collection is an IBindingList return a new BindingListCollectionView
// 6) If the collection is an IList return a new ListCollectionView
// 7) If the collection is an IEnumerable, return a new CollectionView
// (it uses the ListEnumerable wrapper)
// 8) return null
// An IListSource must share the view with its underlying list.
// if the view already exists, just return it
// Also, return null if it doesn't exist and we're called in "lazy" mode
ViewRecord viewRecord = GetExistingView(collection, cvs, collectionViewType);
if (viewRecord != null || !createView)
{
return viewRecord;
}
// If the collection is an IListSource, it uses the same view as its
// underlying list.
IListSource ils = collection as IListSource;
IList ilsList = null;
if (ils != null)
{
ilsList = ils.GetList();
viewRecord = GetExistingView(ilsList, cvs, collectionViewType);
if (viewRecord != null)
{
return CacheView(collection, cvs, (CollectionView)viewRecord.View, viewRecord);
}
}
// Create a new view
ICollectionView icv = collection as ICollectionView;
if (icv != null)
{
icv = new CollectionViewProxy(icv);
}
else if (collectionViewType == null)
{
// Caller didn't specify a type for the view.
ICollectionViewFactory icvf = collection as ICollectionViewFactory;
if (icvf != null)
{
// collection is a view factory - call its factory method
icv = icvf.CreateView();
}
else
{
// collection is not a factory - create an appropriate view
IList il = (ilsList != null) ? ilsList : collection as IList;
if (il != null)
{
// create a view on an IList or IBindingList
IBindingList ibl = il as IBindingList;
if (ibl != null)
icv = new BindingListCollectionView(ibl);
else
icv = new ListCollectionView(il);
}
else
{
// collection is not IList, wrap it
IEnumerable ie = collection as IEnumerable;
if (ie != null)
{
icv = new EnumerableCollectionView(ie);
}
}
}
}
else
{
// caller specified a type for the view. Try to honor it.
if (!typeof(ICollectionView).IsAssignableFrom(collectionViewType))
throw new ArgumentException(SR.Get(SRID.CollectionView_WrongType, collectionViewType.Name));
// if collection is IListSource, get its list first (bug 1023903)
object arg = (ilsList != null) ? ilsList : collection;
try
{
icv = Activator.CreateInstance(collectionViewType,
System.Reflection.BindingFlags.CreateInstance, null,
new object[1]{arg}, null) as ICollectionView;
}
catch (MissingMethodException e)
{
throw new ArgumentException(SR.Get(SRID.CollectionView_ViewTypeInsufficient,
collectionViewType.Name, collection.GetType()), e);
}
}
// if we got a view, add it to the tables
if (icv != null)
{
// if the view doesn't derive from CollectionView, create a proxy that does
CollectionView cv = icv as CollectionView;
if (cv == null)
cv = new CollectionViewProxy(icv);
if (ilsList != null) // IListSource's list shares the same view
viewRecord = CacheView(ilsList, cvs, cv, null);
viewRecord = CacheView(collection, cvs, cv, viewRecord);
}
return viewRecord;
}
private void MasterView_CurrentChanged(object sender, System.EventArgs e)
{
// We need to grab the new child view when the master's position changes
this.DetailsView = (BindingListCollectionView)this.DetailViewSource.View;
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
var items = from item in no.Employees
orderby item.LastName
select item;
this.DataContext = items;
//turn Collection of employee int BindindListCollectionView
//This is need for add/delete/edit
this.employeeView = (BindingListCollectionView)
(CollectionViewSource.GetDefaultView(items));
}
public MeaningFinderModel(DataTable tableTranslations)
{
Debug.Assert(tableTranslations != null);
this.viewTranslations = new DataView(tableTranslations);
this.viewTranslations.Sort = "Translation";
this.propertyTranslation = BindingListUtils.GetProperty(this.viewTranslations, Strings.TRANSLATION);
this.modelTranslations = new DataPresentationList<TranslationFinderItemModel>(this.viewTranslations);
this.collectionTranslations = new BindingListCollectionView(this.modelTranslations);
this.collectionTranslations.CurrentChanged += new EventHandler(collectionTranslations_CurrentChanged);
AdjustCurrent();
}
public WordFinderModel(DataTable tableWords, Guid filterTypeId, String filterWordText)
{
Debug.Assert(tableWords != null);
Debug.Assert(filterWordText != null);
this.viewWords = new DataView(tableWords);
this.viewWords.Sort = "Word, Prefix";
this.propertyWord = BindingListUtils.GetProperty(this.viewWords, Strings.WORD);
this.filterTypeId = filterTypeId;
this.filterWordText = filterWordText;
ApplyFilter();
this.collectionWords = new BindingListCollectionView(this.viewWords);
this.collectionWords.CurrentChanged += new EventHandler(collectionWords_CurrentChanged);
AdjustCurrent();
}
