# Latest **URL:** https://forum.radzen.com/latest.md [Latest](https://forum.radzen.com/latest.md) · [Categories](https://forum.radzen.com/categories.md) --- ## [Display relational property on RadzenDataGrid](https://forum.radzen.com/t/display-relational-property-on-radzendatagrid/21754)
**Author:** [@bdecamargo](https://forum.radzen.com/u/bdecamargo)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 7:06am UTC](https://forum.radzen.com/t/display-relational-property-on-radzendatagrid/21754 "2026-10-28T07:06:27Z")
Hello! Programming newbie here. After retrieving a table called "Letters", which has a RecipientId column (mapped to AspNetUser Id), I would like to relate it to the AspNetUsers table so that I can retrieve the recipie… --- ## [DataGrid selected item highlight](https://forum.radzen.com/t/datagrid-selected-item-highlight/21753)
**Author:** [@vlado](https://forum.radzen.com/u/vlado)\ **Replies:** 3\ **Last updated:** [October 27, 2026, 9:11pm UTC](https://forum.radzen.com/t/datagrid-selected-item-highlight/21753 "2026-10-27T21:11:55Z")
I have stored ID of active row in my config . When I set the selected item in Task OnInitializedAsync() I want to highlight the row of Datagrid when the page started. \ **Author:** [@Ferose](https://forum.radzen.com/u/Ferose)\ **Replies:** 2\ **Last updated:** [October 27, 2026, 9:51am UTC](https://forum.radzen.com/t/how-to-focus-on-a-cell-in-a-spread-sheet/21752 "2026-10-27T09:51:17Z") I am trying to set focus on a specific Cell in the active sheet using spread Spreadsheet component and documents APIs. However I can not find any method to do this. I would like to scroll to cell if it is out of site. --- ## [Lesson 23 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-23-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21751)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 26, 2026, 10:15am UTC](https://forum.radzen.com/t/lesson-23-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21751 "2026-10-26T10:15:36Z")
Lesson 23 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.3 — The Domain Layer. Chapters 0:00 Two Child Collections, Both Private 0:41 Total Folds With Money.Zero as the Seed 1:… --- ## [Lesson 22 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-22-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21750)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 26, 2026, 10:13am UTC](https://forum.radzen.com/t/lesson-22-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21750 "2026-10-26T10:13:52Z")
Lesson 22 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.3 — The Domain Layer. Chapters 0:00 Where the Domain Becomes Interesting 0:35 Two Enums, in One File 1:15 RequisitionLi… --- ## [Session Expire](https://forum.radzen.com/t/session-expire/5286)
**Author:** [@johnmu](https://forum.radzen.com/u/johnmu)\ **Replies:** 8\ **Last updated:** [October 23, 2026, 2:11am UTC](https://forum.radzen.com/t/session-expire/5286 "2026-10-23T02:11:41Z")
Folk, Blazor server side I need the system to log users out after say 30mins of no activity. Does anyone know how i can make this happen? Thanks John --- ## [DropDown popup overflows the top of the viewport - items wrapper max-height ignores the filter container height](https://forum.radzen.com/t/dropdown-popup-overflows-the-top-of-the-viewport-items-wrapper-max-height-ignores-the-filter-container-height/21749)
**Author:** [@sergeh96](https://forum.radzen.com/u/sergeh96)\ **Replies:** 2\ **Last updated:** [October 22, 2026, 12:10pm UTC](https://forum.radzen.com/t/dropdown-popup-overflows-the-top-of-the-viewport-items-wrapper-max-height-ignores-the-filter-container-height/21749 "2026-10-22T12:10:40Z")
Environment - Radzen.Blazor 12.1.5 - .NET 10, Blazor Server (interactive server render mode) - RadzenDropDown with AllowFiltering="true", FilterAsYouType="true", Multiple="true" (also single-select) - The dropdown is… --- ## [Upload component shows broken image](https://forum.radzen.com/t/upload-component-shows-broken-image/21748)
**Author:** [@nitrouscookies](https://forum.radzen.com/u/nitrouscookies)\ **Replies:** 1\ **Last updated:** [October 20, 2026, 7:42pm UTC](https://forum.radzen.com/t/upload-component-shows-broken-image/21748 "2026-10-20T19:42:24Z")
On an Upload component, when Auto=”false”, it shows a broken image for PDFs and other file types. To reproduce: On your Upload demo, upload a PDF on the “Trigger upload from code” example: --- ## [Lesson 21 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-21-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21747)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 19, 2026, 7:53pm UTC](https://forum.radzen.com/t/lesson-21-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21747 "2026-10-19T19:53:26Z")
Lesson 21 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.2 — The Domain Layer. Chapters 0:00 AddBankAccount — Normalise, Then Check 0:35 Exactly One Primary, Maintained by the A… --- ## [DataGrid nullable enum filter exception after Publish](https://forum.radzen.com/t/datagrid-nullable-enum-filter-exception-after-publish/21746)
**Author:** [@ns6000](https://forum.radzen.com/u/ns6000)\ **Replies:** 1\ **Last updated:** [October 19, 2026, 11:15am UTC](https://forum.radzen.com/t/datagrid-nullable-enum-filter-exception-after-publish/21746 "2026-10-19T11:15:27Z")
Hello, I've recently updated from v11.4.0 to the latest v12.1.4 and noticed a thing that worked and now stopped working... If my model contains nullable enum type and the column is filterable the DataGrid will throw ex… --- ## [Lesson 20 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-20-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21745)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 16, 2026, 3:47pm UTC](https://forum.radzen.com/t/lesson-20-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21745 "2026-10-16T15:47:49Z")
Lesson 20 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.2 — The Domain Layer. Chapters 0:00 UpdateDetails — Note What It Will Not Let You Change 0:44 The Same Guards, Repeated … --- ## [Pages suddenly not rendering](https://forum.radzen.com/t/pages-suddenly-not-rendering/21744)
**Author:** [@SolutionJ](https://forum.radzen.com/u/SolutionJ)\ **Replies:** 1\ **Last updated:** [October 15, 2026, 11:04am UTC](https://forum.radzen.com/t/pages-suddenly-not-rendering/21744 "2026-10-15T11:04:48Z")
Good afternoon, After this afternoon’s update, a lot of my app pages will not render? Radzen.Server.CompilationFailedException: C:\\Software Projects\\Tbi\\Tbi.App\\Components\\Pages\\Tickets\\TicketEdit.razor(7693,92): error… --- ## [How do you remove the excess space in a FieldSet](https://forum.radzen.com/t/how-do-you-remove-the-excess-space-in-a-fieldset/8538)
**Author:** [@rik](https://forum.radzen.com/u/rik)\ **Replies:** 4\ **Last updated:** [October 13, 2026, 6:11pm UTC](https://forum.radzen.com/t/how-do-you-remove-the-excess-space-in-a-fieldset/8538 "2026-10-13T18:11:52Z")
How would I remove the excess space between the FieldSet component's outline and the child text within? --- ## [RadzenButton font is not loading on WASM projects](https://forum.radzen.com/t/radzenbutton-font-is-not-loading-on-wasm-projects/21743)
**Author:** [@Paulo\_Roberto](https://forum.radzen.com/u/Paulo_Roberto)\ **Replies:** 2\ **Last updated:** [October 13, 2026, 4:33pm UTC](https://forum.radzen.com/t/radzenbutton-font-is-not-loading-on-wasm-projects/21743 "2026-10-13T16:33:07Z")
Hello everyone! For some reason fonts are not being applied to buttons. I created a new WASM project from the ground up and take a look how the button text is totally different from what we saw on every demo. --- ## [Gantt Chart](https://forum.radzen.com/t/gantt-chart/16684)
**Author:** [@Fady1956](https://forum.radzen.com/u/Fady1956)\ **Replies:** 7\ **Last updated:** [October 13, 2026, 4:07pm UTC](https://forum.radzen.com/t/gantt-chart/16684 "2026-10-13T16:07:07Z")
Hello, a must have component is a robust Gantt Chart that would have mulitple views including hour, days, month, and year. such a component would be of great assistance. --- ## [RadzenAutoComplete does not load Value if before Data](https://forum.radzen.com/t/radzenautocomplete-does-not-load-value-if-before-data/21739)
**Author:** [@DanieGuMemx](https://forum.radzen.com/u/DanieGuMemx)\ **Replies:** 2\ **Last updated:** [October 13, 2026, 3:01pm UTC](https://forum.radzen.com/t/radzenautocomplete-does-not-load-value-if-before-data/21739 "2026-10-13T15:01:53Z")
I’ve discovered a bit of an oddity in the RadzenAutoComplete after version 11.3.0. When using a RadzenAutoComplete the value does not display if it is declared before the the Data attribute. This works. \ **Author:** [@Mehdi\_Mohammadkhani](https://forum.radzen.com/u/Mehdi_Mohammadkhani)\ **Replies:** 2\ **Last updated:** [October 13, 2026, 5:44am UTC](https://forum.radzen.com/t/radzen-carousel-problem-in-selected-index/21742 "2026-10-13T05:44:48Z") After upgrading to Radzen 12.0.8, the carousel in page navigates to question correctly — but immediately jumps back to question 1 (index 0). It's basically impossible to stay on any slide other than the first one. \ **Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 12, 2026, 6:02pm UTC](https://forum.radzen.com/t/blazor-p2p-19-the-vendor-aggregate-creating-a-vendor/21740 "2026-10-12T18:02:56Z") Lesson 19 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.2 — The Domain Layer. Chapters 0:00 The Shape of a Root 0:36 Properties: Private Setters, Read-Only Collection 1:15 Cre… --- ## [Lesson 18 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-18-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21738)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 9, 2026, 4:36pm UTC](https://forum.radzen.com/t/lesson-18-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21738 "2026-10-09T16:36:16Z")
Lesson 18 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.2 — The Domain Layer. Chapters 0:00 The Simplest Aggregate, Which Is Why We Start Here 0:37 The Status Enum 1:18 Addres… --- ## [Swapping the Order of Buttons on Confirm Dialog](https://forum.radzen.com/t/swapping-the-order-of-buttons-on-confirm-dialog/21734)
**Author:** [@shawty](https://forum.radzen.com/u/shawty)\ **Replies:** 2\ **Last updated:** [October 9, 2026, 2:05pm UTC](https://forum.radzen.com/t/swapping-the-order-of-buttons-on-confirm-dialog/21734 "2026-10-09T14:05:13Z")
Hi Team, Been a while, but I have another project that uses Radzen UI. Congrats on v12, looking real good. Quick question, just to make sure I’m not missing anything, before I go and make a custom dialog. I’ve added s… --- ## [Feature request: ship Radzen.Documents.Spreadsheet as a separate NuGet package (without Blazor dependencies)](https://forum.radzen.com/t/feature-request-ship-radzen-documents-spreadsheet-as-a-separate-nuget-package-without-blazor-dependencies/21736)
**Author:** [@Lars](https://forum.radzen.com/u/Lars)\ **Replies:** 2\ **Last updated:** [October 9, 2026, 1:02pm UTC](https://forum.radzen.com/t/feature-request-ship-radzen-documents-spreadsheet-as-a-separate-nuget-package-without-blazor-dependencies/21736 "2026-10-09T13:02:48Z")
Hi Radzen team, First of all, thanks for RadzenSpreadsheet and especially for the server-side Radzen.Documents.Spreadsheet API. Being able to create and read .xlsx files without a third-party library or an Office instal… --- ## [Tile Layout Overlapping](https://forum.radzen.com/t/tile-layout-overlapping/21733)
**Author:** [@peterhym21](https://forum.radzen.com/u/peterhym21)\ **Replies:** 2\ **Last updated:** [October 9, 2026, 12:40pm UTC](https://forum.radzen.com/t/tile-layout-overlapping/21733 "2026-10-09T12:40:35Z")
Hi Is there a way for the Tile Layout to not have overlaps on the components in the Tile Layout so that they cant be stacked on top of each other and moved over another component so not like this: --- ## [Example of automatic pan right on zoom in Charts](https://forum.radzen.com/t/example-of-automatic-pan-right-on-zoom-in-charts/21731)
**Author:** [@Mark\_Stevens](https://forum.radzen.com/u/Mark_Stevens)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 5:28pm UTC](https://forum.radzen.com/t/example-of-automatic-pan-right-on-zoom-in-charts/21731 "2026-10-08T17:28:41Z")
Is there an example of automatically panning to the left/right side of a series chart when zooming in? Currently the chart always defaults to middle but as I need to always see the latest data (right in this example) in … --- ## [RadzenDataGrid, Grouping JToken](https://forum.radzen.com/t/radzendatagrid-grouping-jtoken/19931)
**Author:** [@Scnck](https://forum.radzen.com/u/Scnck)\ **Replies:** 3\ **Last updated:** [October 8, 2026, 3:52am UTC](https://forum.radzen.com/t/radzendatagrid-grouping-jtoken/19931 "2026-10-08T03:52:07Z")
the following code worked until 5.9.9 any version greater breaks; am I doing something wrong or is there a bug with the latest versions of Radzen? @page "/dynamic-data-grid" @using Newtonsoft.Json @using Newtonsoft.Jso… --- ## [Lesson 17 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-17-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21732)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 3:07am UTC](https://forum.radzen.com/t/lesson-17-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21732 "2026-10-08T03:07:55Z")
Lesson 17 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.1 — The Domain Layer. Chapters 0:00 A Bare decimal Is a Defect Waiting for a Deployment 0:41 A readonly record struct 1… --- ## [Radzen 12 Month/Year Picker Navigation Issue — Cannot Return from Year‑Range View](https://forum.radzen.com/t/radzen-12-month-year-picker-navigation-issue-cannot-return-from-year-range-view/21729)
**Author:** [@Pht.bunika](https://forum.radzen.com/u/Pht.bunika)\ **Replies:** 1\ **Last updated:** [October 7, 2026, 4:25am UTC](https://forum.radzen.com/t/radzen-12-month-year-picker-navigation-issue-cannot-return-from-year-range-view/21729 "2026-10-07T04:25:52Z")
After upgrading to Radzen 12, the Month/Year picker UI has become difficult to use due to changes in the navigation behavior. The new calendar navigation causes users to get stuck in the year‑range view, with no way to r… --- ## [The category axis with an explicitly specified range is displayed incorrectly](https://forum.radzen.com/t/the-category-axis-with-an-explicitly-specified-range-is-displayed-incorrectly/21728)
**Author:** [@admitrienko](https://forum.radzen.com/u/admitrienko)\ **Replies:** 3\ **Last updated:** [October 5, 2026, 7:29am UTC](https://forum.radzen.com/t/the-category-axis-with-an-explicitly-specified-range-is-displayed-incorrectly/21728 "2026-10-05T07:29:47Z")
Hello all! It looks like when I explicitly specified the range for the category axis with some specific values the final chart render not always looks correctly. To reproduce the issue I did some changes in Basic line e… --- ## [Lesson 16 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-16-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21727)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 3, 2026, 3:59pm UTC](https://forum.radzen.com/t/lesson-16-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21727 "2026-10-03T15:59:56Z")
Lesson 16 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.1 — The Domain Layer. Chapters 0:00 An Entity Is a Thing With Identity 0:37 Entity 1:09 The Protected Parameterless Con… --- ## [Lesson 15 of Procure-to-Pay: Enterprise Blazor with Clean Architecture](https://forum.radzen.com/t/lesson-15-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21726)
**Author:** [@Benjamin\_Fadina](https://forum.radzen.com/u/Benjamin_Fadina)\ **Replies:** 0\ **Last updated:** [October 3, 2026, 7:15am UTC](https://forum.radzen.com/t/lesson-15-of-procure-to-pay-enterprise-blazor-with-clean-architecture/21726 "2026-10-03T07:15:08Z")
Lesson 15 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.1 — The Domain Layer. Chapters 0:00 Something Happened That Others May Care About 0:49 The Interface Is Two Properties … --- ## [Playground - Missing compiler required member](https://forum.radzen.com/t/playground-missing-compiler-required-member/21725)
**Author:** [@VNP](https://forum.radzen.com/u/VNP)\ **Replies:** 1\ **Last updated:** [October 2, 2026, 9:59am UTC](https://forum.radzen.com/t/playground-missing-compiler-required-member/21725 "2026-10-02T09:59:44Z")
Hi, the playground is not working, example: Missing compiler required member 'System.Runtime.CompilerServices.AsyncTaskMethodBuilder.AwaitOnCompleted' thank you [Next page](https://forum.radzen.com/latest.md?page=1)