One Compact UI theme which will be better suited for Complex and Data heavy Apps.

Blazor load on demand (as users keys in) combo-box with multi column

 

Please add a dashboard layout component.

 

ADMIN EDIT: There seems to be demand for such a component/feature, so we have re-opened it to gather feedback on what is the expected functionality and use cases. You can Vote for this, Follow its progress, and leave a comment with your expectations/requests. You can also review the discussion for some technical limitations that prevent an implementation at the moment.

ADMIN EDIT 2: The component will be similar to this one: https://demos.telerik.com/kendo-ui/tilelayout/index

Please add an app bar component

Please add a side navigation bar for Blazor.

Please add a toast notification component for Blazor.

Please add a toolbar control for Blazor

 Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit '_2TiBAG0g2G9PCcWgKc-G4zmfFAGiDJEO7pd7Jbjxpk'.
System.IO.FileLoadException: Could not load file or assembly 'Telerik.DataSource, Version=1.2.0.0, Culture=neutral, PublicKeyToken=20b4b0547069c4f8'. The located assembly's manifest definition does not match the assembly reference. (0x80131040)
File name: 'Telerik.DataSource, Version=1.2.0.0, Culture=neutral, PublicKeyToken=20b4b0547069c4f8'
   at System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType)

 

Did I miss installing something.

Used the installer telerik.ui.for.blazor.2.1.0.commercial.msi

 

I use a 3D Cartesian Chart in my WPF applications. Id like to make a blazor server side version of these applications. Is a 3d cartesian chart in the works?

Would be nice to have a MapView for Blazor. Is this in the works?

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ADMIN EDIT

In the meantime, you can use the Kendo Map widget in a fashion similar to this project.

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I am very surprised that Multiselect is missing among the list of Blazor controls being offer.  Syncfusion already offers a full-feature Multiselect.  Is a Multiselect on the road map?  When should we expect it.  Currently the only way to have a select list with multiple selections enabled is a pretty ugly JSInterop hack.  I am honestly considering switching to Syncfusion as they seemed to be far ahead of Telerik in Blazor development.

Using the new Grid grouping feature in 1.6, the Grouping button and the group header row both use the field name of the group column, rather than the title.  This is visible in the animated demo, where a column titled "On Vacation" becomes "IsOnLeave" once it is used as a group name.

I expect this is already known and slated to be fixed, but there aren't any grouping issues at all in the public tracker, so just in case...

When in edit mode the editable area width can be larger than the column width if column width is small, for example 100.

For the Grid, is is possible to have a a SortField along with Field (that displays the data) in columns.

The SortField will be used instead of Field when sorting (if Grid is Sortable), like in WebForms: https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.gridview.sortexpression?view=netframework-4.8.

Maybe you want to sort data based on other values instead of what is displayed.

This could be especially useful for dates that have been formatted for display in Field

but you don't want to use for sorting because date and string sorting is not the same.

The CSS classes used by Blazor UI are not documented. (I haven't looked outside the Blazor area, so maybe it's somewhere else in the docs? My team has no need for other Telerik products.) On a similar note, the Themes page in the documentation explains how to reference alternate themes like Bootstrap, but it doesn't explain how to actually use the classes, or how it integrates with the real Bootstrap CSS, which have many various useful, well-known utilities like margin and padding settings, which don't seem to be part of the Telerik theme support. (I'm an architect at a very large corporation, we do have one of those includes-everything DevCraft licenses, I just can't log in with that account.)

Load demo, go to issues page, sort by Details.

If filtering is enabled, the error may prevent the view from rendering  similar to NotImplementedException: Unexpected frame type during RemoveOldFrame: None.

Without filtering, an exception is thrown when you attempt to edit a field, similar to Error: System.InvalidCastException: Unable to cast object of type 'System.String' to type 'System.Nullable`1[System.Int64]'.

You may get an exception like

InvalidOperationException: The current thread is not associated with the Dispatcher. Use Invoke() or InvokeAsync() to switch execution to the Dispatcher when triggering rendering or modifying any state accessed during rendering.

or you may get components that simply don't work (for example, a Window does not show, a treeview does not expand).

The solution is to revert to the RenderComponentAsync method in your _Hosts.cshtml file.

The Notifications component I think would be a great addition to UI for Blazor!  
Use it quite often with SPAs

What about supporting INotifyCollectionChanged data source for the Grid?