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ASP.NET Core TreeList Aggregates

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HtmlHelper
TagHelper
Files:
                    aggregates.cshtml
                
                    AggregatesController.cs
                
                    EmployeeDirectoryController.cs
                
                    EmployeeDirectoryModel.cs
                
                    aggregates_TagHelper.cshtml

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CLIENT-SIDE API SERVER-SIDE API

kendo.syncReady(function(){jQuery("#treelist").kendoTreeList({"columns":[{"field":"FirstName","footerTemplate":"#= count # employee(s)","template":"#: FirstName # #: LastName #","title":"Name","filterable":true},{"field":"Position","filterable":true},{"field":"HireDate","footerTemplate":"Last employee hired on #= kendo.format(\u0027{0:MMMM d, yyyy}\u0027, kendo.parseDate(max)) #","format":"{0:MMMM d, yyyy}","title":"Hire Date","filterable":true}],"height":540,"sortable":true,"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":""},"aggregate":[{"field":"FirstName","aggregate":"count"},{"field":"HireDate","aggregate":"max"}],"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"}}},"filterable":true});});

Description

The Telerik for ASP.NET Core TreeList component provides an option to display built-in aggregate calculations when the supplied data is grouped. You can display the aggregated result in a group header, footer, or in the summary footer of the component.

The greatest thing is that with Telerik UI for ASP.NET Core you can customize the content of the aggregates either by using the external JavaScript mechanism or by conventional hash syntax. Both approaches are based on the Kendo UI Templates.

The current example showcases how to set the aggregates in the TreeList by using the FooterTemplate() configuration method.

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 Aggregates

Description

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