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Prevent Navigation if form is in Edit Mode - Can't get my popup message to work

I have disabled my back icon with the following OnSelect formula: 

If(frmRequestHelp.DisplayMode = DisplayMode.Edit,DisplayMode.View,Back())


It works just fine.  I can navigate when my form is in view mode and not edit mode. 


I am, however, trying to get a popup label to show when the icon is in DisplayMode that explains you can't navigate until you cancel or save your changes.  However, I cannot get it to work.  I created a label to see if I can find out what is going on and the label is not working so I'm sure there is something wrong with my formula, but I can't see what it is.  

Here is my test label formula text.  

If('icnBack-scrRHD'.DisplayMode = DisplayMode.View, true,false). 

It never changes from false; it does not toggle from true to false like the back icon does. 

Here is my formula from the actual pop up label Visible property


If('icnBack-scrRHD'.DisplayMode = DisplayMode.View,true,false).


I'm having trouble understanding why my pop up label will not work nor does the text label but the icon works exactly as I'd like.  

Thanks in advance. 




Community Support
Community Support

Hi @CindyZ ,

You shouldn’t put DisplayMode.View to OnSelect property. DisplayMode is enumeration type and DisplayMode.View is Text, not a behavior formula, so it can’t change the display mode of icon.

you should set icon’s display mode in DisplayMode property directly. Please refer to following formulas.

  • set OnSelect property of Icon as below:
  • Set DisplayMode property as below:
If(frmRequestHelp.DisplayMode = DisplayMode.Edit, DisplayMode.View, Edit) 

Then, continue with your steps and check if the issue is fixed.

Best regards,

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