Upgrade to the latest Radzen.
On the dropdown, when you select "Select All" you get this error:
[2019-10-09T20:20:10.347Z] Error: System.NullReferenceException: Object reference not set to an instance of an object.
at Radzen.Blazor.RadzenDropDown.SelectAll()
at Microsoft.AspNetCore.Components.EventCallbackWorkItem.InvokeAsync[T](MulticastDelegate delegate, T arg)
at Microsoft.AspNetCore.Components.ComponentBase.Microsoft.AspNetCore.Components.IHandleEvent.HandleEventAsync(EventCallbackWorkItem callback, Object arg)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.DispatchEventAsync(UInt64 eventHandlerId, EventFieldInfo fieldInfo, EventArgs eventArgs)
ADefWebserver
commented
5 years ago
Upgrade to the latest Radzen. On the dropdown, when you select "Select All" you get this error:
[2019-10-09T20:20:10.347Z] Error: System.NullReferenceException: Object reference not set to an instance of an object. at Radzen.Blazor.RadzenDropDown.SelectAll() at Microsoft.AspNetCore.Components.EventCallbackWorkItem.InvokeAsync[T](MulticastDelegate delegate, T arg) at Microsoft.AspNetCore.Components.ComponentBase.Microsoft.AspNetCore.Components.IHandleEvent.HandleEventAsync(EventCallbackWorkItem callback, Object arg) at Microsoft.AspNetCore.Components.RenderTree.Renderer.DispatchEventAsync(UInt64 eventHandlerId, EventFieldInfo fieldInfo, EventArgs eventArgs)