Javascript : Accessing Query String Parameters

The below script is to get the query string values passed to CRM web resource,

       
function parseQueryString(qs, opts) {
    var queryString = qs || window.location.search || "";
    var queryStringRegularExpression = /(?:\?|&|^)([^=]+)=([^&]*)/ig;
    var qsMatch = queryStringRegularExpression.exec(queryString);
    var paramKey;
    var paramVal;
    while (!!qsMatch) {
        paramKey = decodeURIComponent(qsMatch[1] || "").toLowerCase();
        paramVal = decodeURIComponent(qsMatch[2] || "");
        if ((paramKey === "data") && !!paramVal) {
            parseQueryString(paramVal, opts);
        } else if (!!paramKey && !!paramVal) {
            opts[paramKey] = paramVal;
        }
        qsMatch = queryStringRegularExpression.exec(queryString);
    }
}
       
 

Usage of Query String method :

       
var qsOptions = {};
parseQueryString(location.search, qsOptions);
 
// Get your parameters here
var name = qsOptions.name;
var country = qsOptions.country;
       
 

Sample Webresource URL

       
http://servername/WebResources/new_/AccesingQueryString.htm?Data=name%3DfullName%26country%3DIndia

 

D365 CE : Switching Between Unified Interface and Classic Web Client

"Use Unified Interface only" option is no more available in Dynamics CE System Settings.

To view application in classic web client, settings can be changed only through Admin Centre, Please check the steps below,

Step 1 : Sign-in to https://admin.powerplatform.microsoft.com/

Step 2 : Navigate to Environments

Step 3 : Select the respective environment and click Settings

Step 4 : Expand Product and select Behaviour

Step 5 : Enable/Disable "Use Unified Interface only"

Step 6 : Click Save