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ASP.NET Core Grid Aggregates

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HtmlHelper
TagHelper
Files:
                    aggregates.cshtml
                
                    AggregatesController.cs
                
                    ProductService.cs
                
                    ProductViewModel.cs
                
                    Aggregates_TagHelper.cshtml

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CLIENT-SIDE API SERVER-SIDE API

kendo.syncReady(function(){jQuery("#Grid").kendoGrid({"groupable":{"enabled":true},"sortable":true,"columns":[{"title":"Product name","footerTemplate":"Total Count: #=count#","groupFooterTemplate":"Count: #=count#","field":"ProductName","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true,"aggregates":["count"]},{"title":"Unit price","field":"UnitPrice","format":"{0:C}","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true,"aggregates":["sum"],"groupHeaderColumnTemplate":"Sum: #=sum#"},{"title":"Units On Order","footerTemplate":"Average: #=average#","groupFooterTemplate":"Average: #=average#","field":"UnitsOnOrder","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true,"aggregates":["average"]},{"title":"Units in stock","footerTemplate":"\u003cdiv\u003eMin: #= min #\u003c/div\u003e\u003cdiv\u003eMax: #= max #\u003c/div\u003e","field":"UnitsInStock","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true,"aggregates":["min","max","count"],"groupHeaderTemplate":"Units In Stock: #= value # (Count: #= count#)"}],"pageable":{"buttonCount":10},"scrollable":false,"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/grid/aggregates_read"},"prefix":""},"pageSize":10,"page":1,"groupPaging":false,"total":0,"serverPaging":true,"serverSorting":true,"serverFiltering":true,"serverGrouping":true,"serverAggregates":true,"group":[{"field":"UnitsInStock","dir":"asc","aggregates":[{"field":"UnitsInStock","aggregate":"min"},{"field":"UnitsInStock","aggregate":"max"},{"field":"UnitsInStock","aggregate":"count"},{"field":"UnitsOnOrder","aggregate":"average"},{"field":"ProductName","aggregate":"count"},{"field":"UnitPrice","aggregate":"sum"}]}],"aggregate":[{"field":"UnitsInStock","aggregate":"min"},{"field":"UnitsInStock","aggregate":"max"},{"field":"UnitsInStock","aggregate":"count"},{"field":"UnitsOnOrder","aggregate":"average"},{"field":"ProductName","aggregate":"count"},{"field":"UnitPrice","aggregate":"sum"}],"filter":[],"schema":{"data":"Data","total":"Total","errors":"Errors","model":{"fields":{"ProductID":{"type":"number"},"ProductName":{"type":"string"},"UnitPrice":{"type":"number"},"UnitsInStock":{"type":"number"},"Discontinued":{"type":"boolean"},"LastSupply":{"type":"date"},"UnitsOnOrder":{"type":"number"},"Category":{"type":"object"},"CategoryID":{"type":"number","defaultValue":null},"QuantityPerUnit":{"type":"string"}}}}}});});

Description

Some development scenarios require the Telerik UI for ASP.NET Core Grid to display results from aggregate calculations at its bottom groups or columns.

The ASP.NET Core Data Grid comes with built-in support for the most popular aggregate functions such as Average, Count, Sum, Min, Max, and Count. To enable the required aggregate functions, define the aggregates through the available ClientGroupHeaderColumnTemplate, ClientFooterTemplate, and ClientGroupFooterTemplate Columns templates, and the Group and Aggregate fields of its DataSource instance.

For more information on the aggregates feature, refer to the documentation about managing the group templates of the Telerik UI for ASP.NET Core Data Grid.

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This Grid 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 Grid Aggregates

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