How to resolve error self.parentView.context is undefined?

970    Asked by TraceyMacLeod in Python , Asked on Jan 31, 2020
Answered by Tracey MacLeod


   

       

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If we execute the above code it will throw an error as self.parentView.context is undefined.

As this error indicates, utilisateur.role is not defined by the time we execute your *ngIf hence utilisateur.role.lowerCase() is throwing an error. We can do a workaround like this:

*ngIf="utilisateur.role && utilisateur.role.toLowerCase()=='parent'">


This will first check for utilisateur.role and if it is undefined, it will be evaluated to false



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