I want to disable Gantt tree editing. ie make the tree read only.

Any suggestions?

Depending if my folder is expanded or not I may want to display a different icon. Or I might want one of my leaf tree nodes should show a different look because of an external state change (e.g. IsDirty so add an asterisk to the text and make it red.)

Changing the bound IconClass property of the tree node doesn't update the tree.

If I update the property, I can't find a way to tell the tree to re-render that node.

My only working example is to reset the tree data with a new copy of the tree data list. However this looks very awkward in the example of a tree node expand/collapse. The node expands and then about a second later the icon changes to an open folder.

Any other options available?

-Andy

Strangest thing. I have a non-modal window control which contains a grid control. For some reason, the window appears to be docked to the right side of the form. I can move the window up and down but if I move it right or left, it just resizes the window width.

If I specify a width in px then it is fine. If I specify a width as a percentage then it is docked. Is there a way for the grid to configure the width so it doesn't dock but still takes 100% of the width?

I'm using TelerikListView component in Blazor app. I have a template defined with @onclick event and need to programmatically invoke the Edit command in that event. The reason is to show EditTemplate when the user clicks on the whole row, not just some button.

Thanks for help.

Hello Support Team,

I have a Item Template for my Treeview. I want to make the background color different for my selected item and let it stick. When the user selects another item, it should highlight that selected item and other items should look normal.

<TelerikTreeView Data="@DefectTreeView" @bind-ExpandedItems="@ExpandedItems"  SelectionMode="TreeViewSelectionMode.Single" >                    
                            <TreeViewBindings>                    
                                <TreeViewBinding IdField="DefectCategoryID" ParentIdField="ParentID" TextField="DefectCategoryName" HasChildrenField="HasChildren" IconField="folder-open" >
                                    <ItemTemplate>
                                        @{
                                            var item = context as DefectDefectCategory_TreeViewResultModel;
                                            var chkenabled = false;
                                            var chkvalue = false;
                                            if (item.HasChildren == false && item.ChildrenCount == 0)
                                            {
                                                chkenabled = true;
                                                <div style="padding-right: 4px;">
                                                    <TelerikCheckBox Enabled="chkenabled" Id="chkDelete" Title="Check to Delete Category" ValueChanged="@((bool value) => GetSelectedTreeItemsDelete(value,item.DefectCategoryID))" > 
                                                    </TelerikCheckBox>
                                                </div>
                                            }                                            
                                            var itemname = item.DefectCategoryName.ToString() + " (" + item.ChildrenCount.ToString() + ")";                                           
                                           @itemname;
                                        }
                                    </ItemTemplate>                                    
                                </TreeViewBinding>
                            </TreeViewBindings>                            
                        </TelerikTreeView>

How do I set the css style to show the selected item.

Thank you.

I'm developing an application where accessibility is very high priority, and I'm finding that every time I try to use one of your controls within the application, there is some sort of issue with its usability, mostly with screen readers.  While I know that you are working on trying to make the controls more accessible, this appears to be slow going. 

Further, I'm not seeing any options for workarounds.  For example, most of the controls are missing certain aria labels that would make them viable to use with screen readers, but because you have deciding not to implement allowing arbitrary attributes / attribute splatting within your controls I can't do anything to get these controls working for screen reader users. As a result, I keep having to roll my own controls instead of using yours, even though in most cases your control is 90% there.

Take the Multi-select control.  It has keyboard support, which is great, and it does read the options when navigating through the dropdown, but once you have selected an option, there is no way to get a screen reader to read any of the selected tags.

Another example is with your checkbox control. I need a way to set an aria-invalid attribute on the control, but I can't do so because your controls don't support attribute splatting: http://https://feedback.telerik.com/blazor/1416978-support-arbitrary-attributes?_ga=2.192430378.1005614243.1645625246-1187442152.1626202564

Other examples include:

https://www.telerik.com/forums/how-to-alter-aria-attributes-on-menu-and-panelbar

https://www.telerik.com/forums/how-to-add-html-aria-attributes-to-telerik-components

https://www.telerik.com/forums/ignore-forward-slash-allow-various-formats-when-using-date-input

I know that you are working on some of these things, but this is not something that I can wait months for to be released.  So I'm asking are there any work arounds for some of these issues?  If you had chosen to support arbitrary attributes, it would ease the frustration of waiting for a fix because we could have used that method as a workaround.  Is there anything that I can do now to mitigate my issues short of writing the controls from scratch?  

Is there any way to turn off grouping before exporting to excel and then turn it back on.  I have tried utilizing the before and after export events but it does not seem to work.

	private async Task OnExcelAfterExportAsync(GridAfterExcelExportEventArgs args)
	{
		await ticketGrid.SetState(currentGridState);
	}

	private async Task OnExcelBeforeExportAsync(GridBeforeExcelExportEventArgs args)
	{
		currentGridState = ticketGrid.GetState();

		GridState<TicketListModel> tempState = new()
			{
				SortDescriptors = currentGridState.SortDescriptors,
				FilterDescriptors = currentGridState.FilterDescriptors,
				GroupDescriptors = new List<GroupDescriptor>()
			};

		await ticketGrid.SetState(tempState);

		args.Columns = args.Columns.Except(args.Columns.Where(c => c.Field == "HasAttachments")).ToList();

		var statusColumn = args.Columns.First(c => c.Field == "StatusId");
		statusColumn.Field = "Status";

		var priorityColumn = args.Columns.First(c => c.Field == "PriorityId");
		priorityColumn.Field = "Priority";

		var areaColumn = args.Columns.First(c => c.Field == "Area");
		areaColumn.Width = "150px";

		args.IsCancelled = false;
	}

I have a handler for OnSelect, where I take the files and store them on the server. However, after this is done, the FileSelector still shows the files to the user, for no reason.

I couldn't find anyway in the code to clear the list of files or to indicate to the FileSelector that the uploading was done. It doesn't look right when I tell the user "Upload Done!", yet the files selected by the user are still listed visible in the FileSelector.