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updateRequired()

Former Member
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Hi All,

Is there an example on how to compare two models for differences?

I am creating a cancel button and wanted to detect if the oModel (JSON) has changed and accordingly prompt the user to either save or discard changes.

I have read in the documentation that there is an updateRequired() method for the model.Binding.

new sap.ui.model.Binding(the, sPath, oContext, mParameters?)

updateRequired(oModel) : boolean

Determines if the binding should be updated by comparing the current model against a specified model.

I am trying to use this method but it is not working... any help on alternative ways? The documentation is not so elaborate.

Thanks in advance,

Ron

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Answers (1)

Answers (1)

Former Member
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Hi Imran,

I don't know why you can't access to this method... we need the code for look that, otherwise you can implement the method by yourself, this is the code:

function(m){return m&&this.getModel()===m} //this is your control

Regards,

José Manuel