{knowhow} Getting formContext in Webresource opened by Xrm.Navigate.navigateTo

Ever since Xrm.Navigate.navigateTo has been introduced, it has been a big relief for consultants and customers alike. After all the ability to open a modal dialog was required so much but was missing for quite some time.

But as everyone rushed in to implement the same, issues arose on how to pass data to the webresource from the  parent record. How do I get access to the formContext to get hold of the form values? The main issue is that unlike Xrm.Navigation.openWebResource in which you can pass data using the data parameter in query string. It’s not like that CRM platform does not allow passing of the data to webresource. In the below code, I am passing query string value using the data parameter, similar to the one we used to do using Xrm.Navigation.openWebResource.

var pageInput = {
     pageType: "webresource",
     webresourceName: "cr16e_test.html?data=" + encodeURIComponent("x=a"),


var navigationOptions = {
     target: 2,
     width: 500, // value specified in pixel
     height: 400, // value specified in pixel
     position: 1


Xrm.Navigation.navigateTo(pageInput, navigationOptions).then(
     function success() {

             // Run code on success
     function error() {

             // Handle errors


The problem is when the webresource loads you cannot get the values using – Xrm.Utility.getGlobalContext().getQueryStringParameters().

While the above function won’t throw an error, the issue remains that you won’t get the data.




The only way to do this is using the javascript – window.location.search



Due to these problems I have been receiving the perennial question, how do I access formContext inside the webresource that is opened by the API?. Because if we can access the formContext, we can get values of attributes on the form. Since I had one customer requirement as well hanging on this for quite sometime, I decided to finally give this a try and it worked. Sharing this one as I feel this can help lot of consultants and developers alike.


I take a very simple example here. I take the contact entity and register the method on load of the form. Below is the code for the same.

var Training = Training || {};

Training.Contact = {
    formContext: null,
    Load: function (e) {
       Training.Contact.formContext = e.getFormContext();


parent.getContext = function () {
    return Training.Contact.formContext;



Load is the function which is called on form load of the contact where we are taking the formContext and storing it inside a property.The important function I have highlighted in yellow. Notice the use of the parent. construct while defining the function. The function is one of the simplest you can have and it just returns the formContext.

All set and done, now time for the acid test. I launch the web resource and on load of the web resource I just call the getContext function using the same parent context.



Easy wasn’t it? Now since you have the context, you have complete control on the form from within your webresource.


Hope this helps!

Debajit Dutta

(Dynamics MVP)

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