Fix AbpDashboardOptionsProvider

docs/en/Background-Jobs-Hangfire.md

@@ -128,10 +128,9 @@ You can integrate the Hangfire dashboard to [ABP authorization system](Authoriza
 class. This class is defined in the `Volo.Abp.Hangfire` package. The following example, checks if the current user is logged in to the application:
 
 ```csharp
-app.UseHangfireDashboard("/hangfire", new DashboardOptions
-{
-    AsyncAuthorization = new[] { new AbpHangfireAuthorizationFilter() }
-});
+var dashboardOptions = app.ApplicationServices.GetRequiredService<DashboardOptions>();
+dashboardOptions.AsyncAuthorization = new[] { new AbpHangfireAuthorizationFilter() };
+app.UseHangfireDashboard("/hangfire", dashboardOptions);
 ```
 
 * `AbpHangfireAuthorizationFilter` is an implementation of an authorization filter.
@@ -146,10 +145,9 @@ app.UseHangfireDashboard("/hangfire", new DashboardOptions
 If you want to require an additional permission, you can pass it into the constructor as below:
 
 ```csharp
-app.UseHangfireDashboard("/hangfire", new DashboardOptions
-{
-    AsyncAuthorization = new[] { new AbpHangfireAuthorizationFilter(requiredPermissionName: "MyHangFireDashboardPermissionName") }
-});
+var dashboardOptions = app.ApplicationServices.GetRequiredService<DashboardOptions>();
+dashboardOptions.AsyncAuthorization = new[] { new AbpHangfireAuthorizationFilter(requiredPermissionName: "MyHangFireDashboardPermissionName") };
+app.UseHangfireDashboard("/hangfire", dashboardOptions);
 ```
 
 **Important**: `UseHangfireDashboard` should be called after the authentication and authorization middlewares in your `Startup` class (probably at the last line). Otherwise,

framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/AbpDashboardOptionsProvider.cs

@@ -1,4 +1,5 @@
 using System.Linq;
+using System.Threading;
 using Hangfire;
 using Microsoft.Extensions.Options;
 using Volo.Abp.DependencyInjection;
@@ -18,8 +19,16 @@ public class AbpDashboardOptionsProvider : ITransientDependency
     {
         return new DashboardOptions
         {
-            DisplayNameFunc = (dashboardContext, job) =>
-                AbpBackgroundJobOptions.GetJob(job.Args.First().GetType()).JobName
+            DisplayNameFunc = (_, job) =>
+            {
+                var jobName = job.ToString();
+                if (job.Args.Count == 3 && job.Args.Last() is CancellationToken)
+                {
+                    jobName = AbpBackgroundJobOptions.GetJob(job.Args[1].GetType()).JobName;
+                }
+
+                return jobName;
+            }
         };
     }
 }