CS/Views/Home/Dashboard.cshtml

﻿@{
    Layout = null;
}
<!-- Add the following namespace usages: -->
@using DevExpress.AspNetCore
@using DevExpress.DashboardWeb
@using DevExpress.DashboardAspNetCore

<!DOCTYPE html>
<html lang="en">
<head>
    <!-- Add bundled resources. -->
    <link href="~/css/site.min.css" rel="stylesheet" />
    <script src="~/js/site.min.js"></script>

    <script>
        const tokenKey = "accessToken";

        function onBeforeRender(sender) {
            var dashboardControl = sender;

            const token = sessionStorage.getItem(tokenKey);

            dashboardControl.remoteService.headers = { "Authorization": "Bearer " + token };
        }
    </script>
</head>
<body>
    <!-- Add the Web Dashboard with the "clientDashboardControl1" name to a View, specify its size, and set the Working Mode to Designer. -->
    <div style="position: absolute; left:0;top:0;right:0;bottom:0;">
        @(Html.DevExpress().Dashboard("dashboardControl1")
            .WorkingMode(WorkingMode.Designer)
            .Width("100%")
            .Height("100%") 
            .OnBeforeRender("onBeforeRender")
            .ControllerName("CustomDashboard")
        )
    </div>
</body>
</html>