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Local Storage Keys

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  • Local Storage Keys

    Can someone help me understand something please?

    I've been experimenting with the "local storage manager" and looking at keys in a disconnected application (Alpha What I don't understand is: if I dirty a row and then delete ALL the keys why is the row still dirty and where is the data containing the changes?

    What does deleting the key actually do?

    Help please or point me somewhere that might... much appreciated in advance


  • #2
    Re: Local Storage Keys

    I've always seen the "dirty" changes disappear once the keys are deleted. Are you refreshing the list once the keys are deleted? When you close the application and open it again are the previously dirty rows still dirty? And since you say that it is a disconnected application, I assume that you are both persisting and restoring data from local storage.


    • #3
      Re: Local Storage Keys

      Sorry to be dumb here but when I delete the ALL keys the record still thinks its dirty so you can't refresh it (as in 'refreshlist'). If I quit the app when I go back in all the changes have been deleted. This kind of proves it works but I can't see any application for it. Yes I'm using local storage.


      • #4
        Re: Local Storage Keys

        I've had sync problems in "immature" apps where it was nice to be able to clear out the local storage easily. But of course, there are other ways to do it. I guess they just added this control for some of the same reasons they did the "JS Command Window" or "List-Debugging Info" defined controls. It is true that not very interesting for end users to necessarily have access to.


        • #5
          Re: Local Storage Keys

          I've been looking at this in more detail and attempting to implement part of it programmatically. I copied pasted the code from an alpha article (after modifying the flag)
          //delete all keys in local storage for other UX components
          var obj = {dialog.object}._ls_getData('a');
          but it doesn't work. The first line work as verified by reporting the number of keys found but the DeleteKeys does nothing. It executes without error but the number of keys remains the same.

          Any thoughts? Any one else tried this?