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ASP.NET MVC Grid Endless Scrolling of Remote Data

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                        endless_scrolling_remote.cshtml
                    
                        Endless_Scrolling_RemoteController.cs

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CLIENT-SIDE API SERVER-SIDE API

(typeof KendoLicensing === 'object' && KendoLicensing.setScriptKey(''));kendo.syncReady(function(){jQuery("#Grid").kendoGrid({"columns":[{"title":"Product name","headerAttributes":{"data-field":"ProductName","data-title":"Product name","aria-haspopup":"menu"},"field":"ProductName","encoded":true,"editor":"\u003cinput data-val=\"true\" data-val-remote=\"\u0026#39;Product name\u0026#39; is invalid.\" data-val-remote-additionalfields=\"*.ProductName\" data-val-remote-url=\"/aspnet-mvc/grid/isproductname_available\" data-val-required=\"The Product name field is required.\" id=\"ProductName\" name=\"ProductName\" title=\"ProductName\" /\u003e\u003cscript\u003e\r\n\tkendo.syncReady(function(){jQuery(\"#ProductName\").kendoTextBox({});});\r\n\u003c/script\u003e\u003cspan class=\"field-validation-valid\" data-valmsg-for=\"ProductName\" data-valmsg-replace=\"true\"\u003e\u003c/span\u003e"},{"title":"Unit price","headerAttributes":{"data-field":"UnitPrice","data-title":"Unit price","aria-haspopup":"menu"},"width":"140px","field":"UnitPrice","format":"{0:c}","encoded":true,"editor":"\u003cinput data-val=\"true\" data-val-number=\"The field Unit price must be a number.\" data-val-range=\"The field Unit price must be between 0 and 2147483647.\" data-val-range-max=\"2147483647\" data-val-range-min=\"0\" data-val-required=\"The Unit price field is required.\" id=\"UnitPrice\" name=\"UnitPrice\" style=\"width:100%\" type=\"text\" value=\"0\" /\u003e\u003cscript\u003e\r\n\tkendo.syncReady(function(){jQuery(\"#UnitPrice\").kendoNumericTextBox({\"enable\":true,\"min\":0,\"max\":2147483647,\"format\":\"c\"});});\r\n\u003c/script\u003e\u003cspan class=\"field-validation-valid\" data-valmsg-for=\"UnitPrice\" data-valmsg-replace=\"true\"\u003e\u003c/span\u003e"},{"title":"Units in stock","headerAttributes":{"data-field":"UnitsInStock","data-title":"Units in stock","aria-haspopup":"menu"},"width":"140px","field":"UnitsInStock","encoded":true,"editor":"\u003cinput data-val=\"true\" data-val-number=\"The field Units in stock must be a number.\" data-val-range=\"The field Units in stock must be between 0 and 2147483647.\" data-val-range-max=\"2147483647\" data-val-range-min=\"0\" data-val-required=\"The Units in stock field is required.\" id=\"UnitsInStock\" name=\"UnitsInStock\" style=\"width:100%\" type=\"text\" value=\"0\" /\u003e\u003cscript\u003e\r\n\tkendo.syncReady(function(){jQuery(\"#UnitsInStock\").kendoNumericTextBox({\"enable\":true,\"min\":-2147483648,\"max\":2147483647,\"format\":\"n0\",\"decimals\":0});});\r\n\u003c/script\u003e\u003cspan class=\"field-validation-valid\" data-valmsg-for=\"UnitsInStock\" data-valmsg-replace=\"true\"\u003e\u003c/span\u003e"},{"title":"Discontinued","headerAttributes":{"data-field":"Discontinued","data-title":"Discontinued","aria-haspopup":"menu"},"width":"140px","field":"Discontinued","encoded":true,"editor":"\u003cinput data-role=\"checkbox\" id=\"Discontinued\" name=\"Discontinued\" type=\"checkbox\" value=\"true\"\u003e\u003c/input\u003e\u003cinput name=\"Discontinued\" type=\"hidden\" value=\"false\"\u003e\u003c/input\u003e\u003cscript\u003e\r\n\tkendo.syncReady(function(){jQuery(\"#Discontinued\").kendoCheckBox({\"checked\":false});});\r\n\u003c/script\u003e\u003cspan class=\"field-validation-valid\" data-valmsg-for=\"Discontinued\" data-valmsg-replace=\"true\"\u003e\u003c/span\u003e"},{"headerAttributes":{"data-title":"\u0026nbsp;"},"width":"250px","command":[{"name":"edit","buttonType":"ImageAndText","text":"Edit"},{"name":"destroy","buttonType":"ImageAndText","text":"Delete"}]}],"pageable":{"numeric":false,"previousNext":false,"buttonCount":10},"sortable":{"mode":"single"},"scrollable":{"endless":true,"height":"200px"},"editable":{"confirmation":"Are you sure you want to delete this record?","confirmDelete":"Delete","cancelDelete":"Cancel","mode":"inline","readonly":false,"create":true,"update":true,"destroy":true},"toolbar":{"items":[{"name":"create","buttonType":"ImageAndText","text":"Add"}]},"dataSource":{"type":"odata-v4","transport":{"read":{"url":read},"update":{"url":update},"create":{"url":create},"destroy":{"url":destroy},"batch":{"url":batch}},"pageSize":20,"page":0,"groupPaging":false,"total":0,"serverPaging":true,"serverSorting":true,"schema":{"data":function data(response) { if (response[0]) { delete response[0]["@odata.context"]; } return response.value ? response.value : response; },"model":{"id":"ProductID","fields":{"ProductID":{"editable":false,"type":"number"},"ProductName":{"type":"string"},"UnitPrice":{"type":"number"},"UnitsInStock":{"type":"number"},"Discontinued":{"type":"boolean"},"UnitsOnOrder":{"type":"number"},"Category":{"type":"object"},"CategoryID":{"type":"number","defaultValue":null},"QuantityPerUnit":{"type":"string"}}}},"batch":true}});});

Description

The Telerik UI for ASP.NET MVC Grid comes with an endless scrolling functionality, which enables you to display large amounts of data by appending additional pages of data on demand. The loading of new items is executed when the scrollbar of the Data Grid reaches its end. When the data is returned, only the new items will be rendered and appended to the old ones.

The infinite scrolling of the Data Grid works both with local and with remote data.

This demo shows how to bind the Grid component to remote data. In this scenario, only the first page of data is serialized and rendered on the client. When the user reaches the end of the list, an AJAX request is made to fetch the next portion of data.

The endless scrolling feature of the Data Grid is compatible with the grouping, hierarchy, and editing functonalities of the component.

For more information about the scrolling capabilities, refer to the official Telerik UI for ASP.NET MVC Data Grid product documentation on the available scrolling approaches.

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This Grid example is part of a unique collection of hundreds of ASP.NET MVC demos, with which you can see all Telerik ASP.NET MVC 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 the ThemeBuilder.

ASP.NET MVC Grid Endless Scrolling of Remote Data

Description

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