|
| 1 | +--- |
| 2 | +title: Client-side paging |
| 3 | +page_title: Client-side paging | Telerik UI for ASP.NET Core Tag Helpers |
| 4 | +description: "Learn how to enable the client-side paging feature to the Kendo UI TreeList Tag Helper for ASP.NET Core." |
| 5 | +slug: client_side_paging_aspnetcore_treelist_tag_helper |
| 6 | +position: 2 |
| 7 | +--- |
| 8 | + |
| 9 | +# Client-side paging |
| 10 | + |
| 11 | +The TreeList supports client-side paging for large sets of data. To enable the paging functionality configure the `Pageable settings`. |
| 12 | + |
| 13 | +> * Don't forget to set a `PageSize`. A `PageSize` can be defined in the `Pageable` settings, or in the `DataSource` settings. If an already existing datasource instance is passed to the treelist, then the `PageSize` option should be set in the dataSource's settings and not in the `Pageable` settings. |
| 14 | +
|
| 15 | +###### Example |
| 16 | + |
| 17 | +```tab-tagHelper |
| 18 | +
|
| 19 | + <kendo-treelist name="treelist" height="540"> |
| 20 | + <treelist-datasource> |
| 21 | + <transport> |
| 22 | + <read url="https://demos.telerik.com/kendo-ui/service/EmployeeDirectory/All" datatype="jsonp" /> |
| 23 | + </transport> |
| 24 | + <schema type="json"> |
| 25 | + <treelist-model id="EmployeeId" parent-id="ReportsTo" expanded="true"> |
| 26 | + <fields> |
| 27 | + <field name="ReportsTo" nullable="true"></field> |
| 28 | + <field name="EmployeeId" type="number"></field> |
| 29 | + <field name="Extension" type="number"></field> |
| 30 | + </fields> |
| 31 | + </treelist-model> |
| 32 | + </schema> |
| 33 | + </treelist-datasource> |
| 34 | +
|
| 35 | + <columns> |
| 36 | + <treelist-column field="FirstName" title="First Name" width="280px" template-id="photo-template"></treelist-column> |
| 37 | + <treelist-column field="LastName" title="Last Name" width="160px"></treelist-column> |
| 38 | + <treelist-column field="Position"></treelist-column> |
| 39 | + <treelist-column field="Phone" width="200px"></treelist-column> |
| 40 | + <treelist-column field="Extension" width="140px"></treelist-column> |
| 41 | + <treelist-column field="Address"></treelist-column> |
| 42 | + </columns> |
| 43 | + <pageable page-size="15" page-sizes="new int[] { 5,15,20}"></pageable> |
| 44 | + </kendo-treelist> |
| 45 | +
|
| 46 | +``` |
| 47 | +```tab-cshtml |
| 48 | +
|
| 49 | + @(Html.Kendo().TreeList<EmployeeDirectoryModel>() |
| 50 | + .Name("treelist") |
| 51 | + .Columns(columns => |
| 52 | + { |
| 53 | + columns.Add().Field(e => e.FirstName).Width(220).TemplateId("photo-template"); |
| 54 | + columns.Add().Field(e => e.LastName).Width(160); |
| 55 | + columns.Add().Field(e => e.Position); |
| 56 | + columns.Add().Field(e => e.Phone).Width(200); |
| 57 | + columns.Add().Field(e => e.Extension).Width(140); |
| 58 | + columns.Add().Field(e => e.Address); |
| 59 | + }) |
| 60 | + .Filterable() |
| 61 | + .Sortable() |
| 62 | + .DataSource(dataSource => dataSource |
| 63 | + .Read(read => read.Action("All", "EmployeeDirectory")) |
| 64 | + .ServerOperation(false) |
| 65 | + .Model(m => { |
| 66 | + m.Id(f => f.EmployeeId); |
| 67 | + m.ParentId(f => f.ReportsTo); |
| 68 | + m.Expanded(true); |
| 69 | + m.Field(f => f.FirstName); |
| 70 | + m.Field(f => f.LastName); |
| 71 | + m.Field(f => f.ReportsTo); |
| 72 | + }) |
| 73 | + ) |
| 74 | + .Height(540) |
| 75 | + .Pageable(p => p.PageSize(15) |
| 76 | + .PageSizes(true) |
| 77 | + ) |
| 78 | + ) |
| 79 | + </script> |
| 80 | +
|
| 81 | +``` |
| 82 | + |
| 83 | +## See Also |
| 84 | + |
| 85 | +* [JavaScript API Reference for the Kendo UI jQuery TreeList](https://docs.telerik.com/kendo-ui/api/javascript/ui/treelist) |
| 86 | +* [UI for ASP.NET Core TreeList editing live demo](https://demos.telerik.com/aspnet-core/treelist/editing) |
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