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Former Member

problem using two way binding of json model..


I am trying to bind sapui5 controls to a json model using bind value & bind property as shown


UIModel is the json Model which i have declared in my onit: of controller as shown

var UIModelCore = new woodsoftui5.model.MaterialIssueOrder();
        var UIModelJson = new sap.ui.model.json.JSONModel();

but i have a similar model which i use it to save data when i search using Ajax service where i am setting data to both UIModel &  miModeljson

I am comparing if there is any change in UIModel &  miModeljson in my save function as shown

 miSave: function (showPrintOrder) {
        var UIModel = sap.ui.getCore().getModel("UIModel");
        /****Checking if there is any change in values in ui and values obtained from data base*******************/
        if (!(_.isEqual(miModelJson.oData, UIModel.oData))) {.....Ajax call for save...}

the problem is that the values of the controls are also binding to miModelJson which i think a problem with twoWay binding which is new to me!!!!

The whole thing i am doing is to eliminate Ajax for Save,

please help...............




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1 Answer

  • Sep 19, 2014 at 03:47 AM

    Sorry Raghu

    I have difficulty understanding the issues that you are facing.

    Are you trying to keep a copy of the data so that you can check if original data is changed?


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