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Dec 18th, 2017, 02:08 PM
#1
[RESOLVED, FOR NOW] Telerik Kendo Listbox Prevent Item Deletion by Delete Keypress
May be a long shot but does anyone use or know how to do as the title says?
When I enable keyboard navigation to allow users to use arrow keys to change selections up or down etc if they press the delete key it actually deletes the selected listitem
Kendo MVC btw
Thanks
Code:
<div>
@(Html.Kendo().ListBox()
.Name("MyListbox")
.Navigatable(false)
.Selectable(ListBoxSelectable.Single)
.DataTextField("fieldValue")
.DataValueField("fieldName")
.DataSource(dataSource => dataSource
.Read(read => read.Action("ControllerMethod", "Controller", new { id = Model.id }))
)
.HtmlAttributes(new { style = "width: 95%; margin-right: 15px; height: 250px;" })
)
</div>
Last edited by RobDog888; Dec 18th, 2017 at 02:12 PM.
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Dec 20th, 2017, 01:00 PM
#2
Re: Telerik Kendo Listbox Prevent Item Deletion by Delete Keypress
I have zero experience using it.
When I googled, found this link: https://docs.telerik.com/kendo-ui/co...s-on-backspace
That is, see if you can add the javascript code to attach a keydown event to that ListBox, and then check whether the key pressed is a delete button (keycode is 46).
If so, prevent the default action (which is deletion).
Hope it will help
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Dec 20th, 2017, 03:21 PM
#3
Re: Telerik Kendo Listbox Prevent Item Deletion by Delete Keypress
Thanks but I think for now I'm just going to disable keyboard navigation as I realized there isn't a case (yet) where they need to actually select this listbox items
.Navigatable(false) 'Disabled
VB/Office Guru™ (AKA: Gangsta Yoda™ ®)
I dont answer coding questions via PM. Please post a thread in the appropriate forum. 
Microsoft MVP 2006-2011
Office Development FAQ (C#, VB.NET, VB 6, VBA)
Senior Jedi Software Engineer MCP (VB 6 & .NET), BSEE, CET
If a post has helped you then Please Rate it! 
• Reps & Rating Posts • VS.NET on Vista • Multiple .NET Framework Versions • Office Primary Interop Assemblies • VB/Office Guru™ Word SpellChecker™.NET • VB/Office Guru™ Word SpellChecker™ VB6 • VB.NET Attributes Ex. • Outlook Global Address List • API Viewer utility • .NET API Viewer Utility •
System: Intel i7 6850K, Geforce GTX1060, Samsung M.2 1 TB & SATA 500 GB, 32 GBs DDR4 3300 Quad Channel RAM, 2 Viewsonic 24" LCDs, Windows 10, Office 2016, VS 2019, VB6 SP6 
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