Questions on UI for Blazor Forum

2 questions

2 answers

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How to inform User, that a modified form is changed without save is menu navigation is made

I have this structure:

+ Menu - Navigation Page Load to div "Desktop"
   + div desktop
      + Toolbar
      + Splitter Vertical
           +Splitterpane
                 -Overview Grid
           +Splitterpane
                 - Detail
                       +TelerikEditForm
                            -lot of stuff-

Problem: How to get an infromation if the EditForm IsModified() and someone uses the navigation to fire an other page.

User request: Please show a dialog to ask user for abort or save.

So I was looking for an OnBlur() Event. But there is no such an event I can Intercept the Action.

I've no idea how I can solve this request. Ok, no simple way... :-)

This is such a typical situation that I can't imagine it can't be solved with Blazor's built-in tools. But I currently have tomatoes on my eyes. Probably, I can't see the forest for the trees right now.

Any hint would be gratefully received. :-)

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