DashboardConfig.cs

using System.Web.Routing;
using DevExpress.DashboardWeb;
using DevExpress.DashboardWeb.Mvc;

namespace MvcThrowCustomExceptionDashboardErrorToast
{
    public class DashboardConfig
    {
        public static void RegisterService(RouteCollection routes)
        {
            //routes.MapDashboardRoute();

            // Uncomment this line to save dashboards to the App_Data folder.
            //DashboardConfigurator.Default.SetDashboardStorage(new DashboardFileStorage(@"~/App_Data/"));

            // Uncomment these lines to create an in-memory storage of dashboard data sources. Use the DataSourceInMemoryStorage.RegisterDataSource
            // method to register the existing data source in the created storage.
            //var dataSourceStorage = new DataSourceInMemoryStorage();
            //DashboardConfigurator.Default.SetDataSourceStorage(dataSourceStorage);


            routes.MapDashboardRoute("dashboardDesigner", "CustomDashboard", new string[] { "MvcThrowCustomExceptionDashboardErrorToast" });
        }
    }
}