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ASP.NET Core TreeList Checkbox Selection

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HtmlHelper
TagHelper
Files:
                    checkbox_selection.cshtml
                
                    Checkbox_SelectionController.cs
                
                    EmployeeDirectoryController.cs
                
                    checkbox_selection_TagHelper.cshtml
                
                    EmployeeDirectoryModel.cs

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CLIENT-SIDE API HTML HELPER API

kendo.syncReady(function(){jQuery("#treelist").kendoTreeList({"columns":[{"selectable":true,"width":"65px","filterable":true},{"field":"Position","filterable":true},{"field":"FirstName","title":"First Name","width":"250px","filterable":true},{"field":"LastName","title":"Last Name","filterable":true},{"field":"Phone","title":"Phone","filterable":true}],"height":540,"dataSource":{"type":(function(){if(kendo.data.transports['aspnetmvc-ajax']){return 'aspnetmvc-ajax';} else{throw new Error('The kendo.aspnetmvc.min.js script is not included.');}})(),"transport":{"read":{"url":"/aspnet-core/employeedirectory/all"},"prefix":""},"schema":{"data":"Data","total":"Total","errors":"Errors","model":{"id":"EmployeeId","fields":{"EmployeeId":{"nullable":false,"type":"number"},"FirstName":{"nullable":false,"type":"string"},"LastName":{"nullable":false,"type":"string"},"ReportsTo":{"nullable":true,"type":"number","defaultValue":null},"Address":{"nullable":false,"type":"string"},"City":{"nullable":false,"type":"string"},"Country":{"nullable":false,"type":"string"},"Phone":{"nullable":false,"type":"string"},"Extension":{"nullable":false,"type":"number","defaultValue":null},"Position":{"nullable":false,"type":"string"},"BirthDate":{"nullable":false,"type":"date","defaultValue":null},"hasChildren":{"nullable":false,"type":"boolean"},"HireDate":{"nullable":false,"type":"date","defaultValue":null},"CountryFlag":{"nullable":false,"type":"string"}},"parentId":"ReportsTo","expanded":true}}}});});

Description

As of R3 2020, a checkbox based selection is provided by the Telerik TreeList for ASP.NET Core component. To enable this functionality you should define selectable column as shown below:

columns.Add().Selectable(true)

This column allows you to select TreeList rows automatically after changing the status of the checkbox to checked. A checkbox is also displayed in the column header to toggle the checked/selected state of all rows in the current page.

Additional Apps

This TreeList example is part of unique collection of hundreds of ASP.NET Core demos, with which you can see all Telerik ASP.NET Core components and their features in action. View the source code of the demos from the library or directly adapt, and edit them and their theme appearance in Telerik REPL for ASP.NET Core or ThemeBuilder.

ASP.NET Core TreeList Checkbox Selection

Description

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