Wpf combobox itemssource not updating


08-Jul-2017 03:48

It's called Observable Collection, and you use it much like a regular List - that's all it takes!This will make the Add and Delete button work, but it won't do anything for the "Change name" button, because the change will happen on the bound data object itself and not the source list - the second step will handle that scenario though.Additional side effect: when removing an item from bound collection, an empty row is still being shown for this item in the drop-down.Should I create a new issue or better reopen this one?The problem is that none of the buttons seems to work. The first step is to get the UI to respond to changes in the list source (Items Source), like when we add or delete a user.

wpf combobox itemssource not updating-28

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You can get the latest unrelease nuget package from the appveyor nuget feed at https://ci.appveyor.com/nuget/fluent-ribbon Could you try to reproduce this with the current version from the develop branch?This works because internally when the cell is being generated, the Content of the cell will have its layout updated which will make it part of the visual tree and it will have access to the correct Data Context.Hi, I have an Observable Collection in my View Model that I'm binding to the Items Source of a Combo Box.This is a bit more cumbersome than just changing the list type, like we did above, but it's still one of the simplest way to accomplish these automatic updates.

With the two changes described above, we now have an example that WILL reflect changes in the data source.I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing.Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.If we don't open the drop down first (skip steps 2 and 4), then all items will appear correctly in the drop down.