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ASP.NET Core Grid Virtualization of Remote Data

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HtmlHelper
TagHelper
Files:
                    virtualization_remote_data.cshtml
                
                    Virtualization_Remote_DataController.cs
                
                    OrderViewModel.cs
                
                    Virtualization_Remote_Data_TagHelper.cshtml

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CLIENT-SIDE API SERVER-SIDE API

.k-virtual-scrollable-wrap td { white-space: nowrap; }

Select Number of rows:

Grid data total:

kendo.syncReady(function(){jQuery("#grid").kendoGrid({"dataBound":renderTimeSpan,"sortable":true,"columns":[{"title":"#","width":"110px","field":"EmployeeID","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true},{"title":"First Name","field":"FirstName","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true},{"title":"Last Name","field":"LastName","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true},{"title":"Responsible For","field":"City","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true},{"title":"Based In","field":"Country","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true},{"title":"Title","field":"Title","filterable":{"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"},"checkAll":false},"encoded":true}],"pageable":{"numeric":false,"previousNext":false,"buttonCount":10,"messages":{"display":"Showing {2} data items"}},"filterable":{"extra":false,"messages":{"title":"Show items with value that","buttonTitle":"{0} filter column settings"}},"scrollable":{"virtual":true,"height":"400px"},"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/virtualization_read","data":getRowCount},"prefix":""},"pageSize":100,"page":1,"groupPaging":false,"total":0,"serverPaging":true,"serverSorting":true,"serverFiltering":true,"serverGrouping":true,"serverAggregates":true,"filter":[],"change":resetTimer,"schema":{"data":"Data","total":"Total","errors":"Errors","model":{"fields":{"EmployeeID":{"type":"number"},"FirstName":{"type":"string"},"EmployeeName":{"type":"string"},"LastName":{"type":"string"},"Title":{"type":"string"},"Country":{"type":"string"},"City":{"type":"string"},"Address":{"type":"string"},"HomePhone":{"type":"string"},"Notes":{"type":"string"},"ReportsTo":{"type":"number","defaultValue":null}}}}}});});

Description

The virtualization feature of the Telerik UI for ASP.NET Core Grid allows you to handle large sets of data without negatively impacting the user experience and browser performance.

To enable virtual scrolling, use the .Scrollable(scrollable => scrollable.Virtual(true)) configuration setting, which will render a vertical scrollbar for the Data Grid content and will show only the number of items defined through the PageSize() data source setting of the Data Grid. After you drag the scrollbar and the PageSize parameter value is exceeded, the Grid component will make automatic requests to retrieve and render the next set of Grid rows.

For more information, refer to the official Telerik UI for ASP.NET Core Data Grid product documentation on the available scrolling options.

Additional Apps

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 Virtualization of Remote Data

Description

Additional Apps

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