ResetBindings() does not update BindingSource

Question

I have problem updating DataSource of a DataGridView in WindowsForms application.

I have DataGridView populated by data in List of my own class Skoleni.

private List<Skoleni> setrideneSkoleni; //list of objects

In MainForm() method, I call following:

 bindingDwgSkoleni = new BindingSource(); //create bindingsource
 bindingDwgSkoleni.DataSource = setrideneSkoleni; //set datasource for bindingsource
 dgwSkoleni.DataSource = bindingDwgSkoleni; // set datasource for datagridview

Which sets DataSource for both BindingSource and DataGridView.

Then I add item tosetrideneSkoleni in additional form, the button_Click method contains this:

setrideneSkoleni.Update(); // updates setrideneSkoleni
bindingDwgSkoleni.ResetBindings(false); //should update bindingSource, but DOES NOT

Variable setrideneSkoleni is updated (item is added), but BindingSource is not (checked in debug - list still contains the same items).

I can not simply set DataSource of DataGridView to null and than to new list, because it destroys formatting (hidden columns become visible, sorting is cancelled), I have to use BindingSource to keep the configuration.

Can anyone advice me how to fix this?

Thanks

I use similar code and it's working on my side. Have you tried using a BindingList instead of a List? — The_Black_Smurf, Mar 20 '14 at 20:34
I have solved this by assigning new sorted list to ``BindingSource.DataSource`` each time I need the data updated - it keeps the formatting and works fine. — Zbynek, Mar 21 '14 at 16:35

score 0 · Answer 1 · answered Jul 31 '16 at 14:45

0

Change your List to BindableList. Implement INotifyProperty on Skoleni class.

answered Jul 31 '16 at 14:45

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ResetBindings() does not update BindingSource

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