Bindinglist not updating listbox
So far in this tutorial, we have mostly created bindings between UI elements and existing classes, but in real life applications, you will obviously be binding to your own data objects.
There are two different scenarios that you may or may not want to handle when dealing with data source changes: Changes to the list of items and changes in the bound properties in each of the data objects.
Scrollbar performance is often a big problem in larger WPF apps because of problems that seem trivial for small collections, but suddenly blow up with larger data sets.
Also, it can be difficult in WPF to know exactly when the system is finished with an object.
A List Box control can provide single or multiple selections using the Selection Mode property .
If you change the selection mode property to multiple select , then you will retrieve a collection of items from List Box1. The following C# program initially fill seven days in a week while in the form load event and set the selection mode property to Multi Simple.You can use this event in a situation that you want select an item from your listbox and accodring to this selection you can perform other programming needs.