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‎docs-aspnet/_config-mvc.yml‎

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@@ -116,6 +116,7 @@ html-helpers/navigation/radiobutton/razor-page.md,
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html-helpers/navigation/stepper/razor-page.md,
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html-helpers/navigation/wizard/razor-page.md,
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html-helpers/scheduling/gantt/razor-page.md,
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html-helpers/scheduling/gantt/binding/razor-page.md,
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html-helpers/scheduling/scheduler/binding/razor-page.md,
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html-helpers/scheduling/scheduler/binding/signalr-binding.md,
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html-helpers/navigation/tabstrip/razor-page.md,

‎docs-aspnet/backwards-compatibility/2025-backwards-compatibility.md‎

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## {{ site.product }} Q3 2025
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### ActionSheet
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The ActionSheet's action buttons now accept enums for the `FillMode`, `Rounded`, `ThemeColor`, `Size` properties instead of strings. The `ActionSheetItem.Group` property now accepts the `ActionSheetItemGroup` enum instead of a string.
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### UIPrimitives
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The {{ site.product }} 2025 Q3 release introduces changes in the naming of several properties in the `UIPrimitives.cs` class:

‎docs-aspnet/html-helpers/scheduling/gantt/binding/ajax-binding.md‎

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---
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title: Ajax Binding
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page_title: Ajax Binding
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description: "Learn how to configure the Telerik UI Gantt for {{ site.framework }} to use Ajax binding"
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slug: htmlhelpers_gantt_ajaxbinding_aspnetcore
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position: 1
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---
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# Ajax Binding
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You can bind the Telerik UI Gantt for {{ site.framework }} using Ajax binding to load and process tasks and dependencies through server-side Action methods.
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For a complete example, refer to the [Basic Usage Demo of the Gantt component](https://demos.telerik.com/{{ site.platform }}/gantt/basic-usage).
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To configure the Gantt for Ajax data binding, follow the next steps:
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1. Set up the Gantt’s DataSource configuration
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- Specify the action methods for the CRUD operations in the `Read`, `Create`, `Update`, and `Destroy` options of the `DataSource` and `DependencyDataSource` configurations.
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- Define the unique Model identifier in the `Id()` option of the `Model` configuration of each DataSource. In addition, map the required Model fields, such as `ParentID`, `Start`, `End`, `Expanded`, and more, in the `Model` configuration.
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- Configure the additional Gantt settings like views, columns, and more.
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```HtmlHelper
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@using Kendo.Mvc.Examples.Models.Gantt;
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@(Html.Kendo().Gantt<TaskViewModel, DependencyViewModel>()
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.Name("gantt")
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.Columns(columns =>
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{
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columns.Bound(c => c.TaskID).Title("ID").Width(50);
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columns.Bound(c => c.Title).Editable(true).Sortable(true);
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columns.Group(g =>
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{
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g.Bound(c => c.Start).Width(100).Editable(true).Sortable(true);
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g.Bound(c => c.End).Width(100).Editable(true).Sortable(true);
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}).Title("Timings");
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})
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.Views(views =>
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{
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views.DayView();
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views.WeekView(weekView => weekView.Selected(true));
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views.MonthView();
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})
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.Height(700)
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.ShowWorkHours(false)
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.ShowWorkDays(false)
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.Snap(false)
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.DataSource(d => d
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.Model(m =>
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{
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m.Id(f => f.TaskID);
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m.ParentId(f => f.ParentID);
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m.Field(f => f.Expanded).DefaultValue(true);
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})
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.Read("Basic_Usage_ReadTasks", "Gantt")
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.Destroy("Basic_Usage_DestroyTask", "Gantt")
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.Update(update => update.Action("Basic_Usage_UpdateTask", "Gantt").Data("onUpdateCreate"))
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.Create(create => create.Action("Basic_Usage_CreateTask", "Gantt").Data("onUpdateCreate"))
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)
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.DependenciesDataSource(d => d
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.Model(m =>
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{
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m.Id(f => f.DependencyID);
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m.PredecessorId(f => f.PredecessorID);
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m.SuccessorId(f => f.SuccessorID);
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})
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.Read("Basic_Usage_ReadDependencies", "Gantt")
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.Create("Basic_Usage_CreateDependency", "Gantt")
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.Destroy("Basic_Usage_DestroyDependency", "Gantt")
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)
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)
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<script>
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// Send the dates for the newly creted/updated tasks as UTC strings
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function onUpdateCreate(e) {
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e.End = e.End.toISOString();
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e.Start = e.Start.toISOString();
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}
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</script>
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```
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{% if site.core %}
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```TagHelper
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@addTagHelper *, Kendo.Mvc
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<kendo-gantt snap="false" height="700" show-work-days="false" show-work-hours="false" name="gantt">
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<columns>
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<gantt-column field="TaskID" title="ID" width="50px">
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</gantt-column>
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<gantt-column editable="true" field="title" title="Title" width="255px">
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</gantt-column>
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<gantt-column title="Timings">
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<columns>
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<gantt-column field="start" editable="true" title="Start Date" width="100">
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<sortable enabled="true"/>
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</gantt-column>
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<gantt-column field="end" editable="true" title="End Date" width="100">
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<sortable enabled="true" />
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</gantt-column>
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</columns>
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</gantt-column>
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</columns>
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<views>
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<gantt-view type="GanttViewType.Day">
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</gantt-view>
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<gantt-view selected="true" type="GanttViewType.Week">
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</gantt-view>
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<gantt-view type="GanttViewType.Month">
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</gantt-view>
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</views>
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<gantt-datasource type="DataSourceTagHelperType.Ajax">
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<schema data="Data" total="Total" errors="Errors">
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<model id="TaskID" parent-id="">
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<fields>
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<field name="TaskID" type="number"></field>
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<field name="parentId" from="ParentID" type="number" default-value="null"></field>
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<field name="title" from="Title" type="string"></field>
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<field name="start" from="Start" type="date"></field>
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<field name="end" from="End" type="date"></field>
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<field name="summary" from="Summary" type="boolean"></field>
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<field name="expanded" from="Expanded" type="boolean" default-value="true"></field>
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<field name="percentComplete" from="PercentComplete" type="number"></field>
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<field name="orderId" from="OrderId" type="number"></field>
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</fields>
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</model>
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</schema>
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<transport >
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<read url="@Url.Action("Basic_Usage_ReadTasks","Gantt")" />
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<update data="onUpdateCreate" url="@Url.Action("Basic_Usage_UpdateTask","Gantt")" />
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<create data="onUpdateCreate" url="@Url.Action("Basic_Usage_CreateTask","Gantt")" />
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<destroy url="@Url.Action("Basic_Usage_DestroyTask","Gantt")" />
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</transport>
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</gantt-datasource>
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<dependency-datasource name="dependencies" type="DataSourceTagHelperType.Ajax">
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<transport>
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<read url="@Url.Action("Basic_Usage_ReadDependencies", "Gantt")" />
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<create url="@Url.Action("Basic_Usage_CreateDependency", "Gantt")" />
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<destroy url="@Url.Action("Basic_Usage_DestroyDependency", "Gantt")" />
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</transport>
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<schema>
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<model id="DependencyID">
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<fields>
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<field name="DependencyID" type="number"></field>
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<field name="predecessorId" from="PredecessorID" type="number"></field>
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<field name="successorId" from="SuccessorID" type="number"></field>
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<field name="type" from="Type" type="number"></field>
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</fields>
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</model>
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</schema>
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</dependency-datasource>
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</kendo-gantt>
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<script>
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// Send the dates for the newly creted/updated tasks as UTC strings
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function onUpdateCreate(e) {
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e.End = e.End.toISOString();
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e.Start = e.Start.toISOString();
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}
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</script>
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```
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{% endif %}
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2. Define the Action methods in the Controller
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* Create action methods for reading, creating, updating, and deleting tasks and dependencies.
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* Each action method must return a JSON result using the `ToDataSourceResult(request, ModelState)` method for proper binding and validation handling.
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```Controller
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public partial class GanttController : Controller
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{
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public ActionResult Basic_Usage()
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{
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return View();
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}
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public virtual JsonResult Basic_Usage_ReadTasks([DataSourceRequest] DataSourceRequest request)
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{
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return Json(taskService.GetAll().ToDataSourceResult(request));
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}
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public virtual JsonResult Basic_Usage_DestroyTask([DataSourceRequest] DataSourceRequest request, TaskViewModel task)
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{
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if (ModelState.IsValid)
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{
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taskService.Delete(task, ModelState);
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}
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return Json(new[] { task }.ToDataSourceResult(request, ModelState));
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}
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public virtual JsonResult Basic_Usage_CreateTask([DataSourceRequest] DataSourceRequest request, TaskViewModel task)
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{
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if (ModelState.IsValid)
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{
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taskService.Insert(task, ModelState);
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}
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return Json(new[] { task }.ToDataSourceResult(request, ModelState));
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}
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public virtual JsonResult Basic_Usage_UpdateTask([DataSourceRequest] DataSourceRequest request, TaskViewModel task)
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{
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if (ModelState.IsValid)
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{
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taskService.Update(task, ModelState);
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}
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return Json(new[] { task }.ToDataSourceResult(request, ModelState));
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}
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public virtual JsonResult Basic_Usage_ReadDependencies([DataSourceRequest] DataSourceRequest request)
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{
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return Json(dependencyService.GetAll().ToDataSourceResult(request));
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}
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public virtual JsonResult Basic_Usage_DestroyDependency([DataSourceRequest] DataSourceRequest request, DependencyViewModel dependency)
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{
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if (ModelState.IsValid)
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{
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dependencyService.Delete(dependency);
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}
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return Json(new[] { dependency }.ToDataSourceResult(request, ModelState));
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}
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public virtual JsonResult Basic_Usage_CreateDependency([DataSourceRequest] DataSourceRequest request, DependencyViewModel dependency)
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{
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if (ModelState.IsValid)
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{
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dependencyService.Insert(dependency);
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}
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return Json(new[] { dependency }.ToDataSourceResult(request, ModelState));
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}
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}
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```
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## See Also
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* [Gantt Basic Usage Demo](https://demos.telerik.com/{{ site.platform }}/gantt/basic-usage)
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* [Gantt Server-Side API](/api/gantt)
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{% if site.core %}
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* [Server-Side TagHelper API of the Gantt](/api/taghelpers/gantt)
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{% endif %}

‎docs-aspnet/html-helpers/scheduling/gantt/binding/overview.md‎

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---
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title: Overview
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page_title: Data Binding
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description: "Learn the basics approaches for binding the Telerik UI Gantt component for {{ site.framework }}."
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previous_url: /helpers/scheduling/gantt/server-binding, /helpers/scheduling/gantt/binding
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slug: htmlhelpers_gantt_databinding
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position: 0
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---
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# Data Binding
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The Gantt provides a set of options for binding it to data.
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{% if site.has_cta_panels == true %}
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{% include cta-panel-introduction.html %}
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{% endif %}
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The supported data-binding approaches are:
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* [Ajax binding]({% slug htmlhelpers_gantt_ajaxbinding_aspnetcore %})
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* [Server binding]({% slug htmlhelpers_gantt_serverbinding_aspnetcore %})
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{% if site.core %}
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* [Razor Pages binding]({% slug htmlhelpers_gantt_razorpage_aspnetcore %})
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{% endif %}
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## Model Requirements
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The model that binds to the Gantt extends the `IGanttTask` and the `IGanttDependency` interfaces, whith the following properties:
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```IGanttTask
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public interface IGanttTask
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{
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string Title { get; set; }
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DateTime Start { get; set; }
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DateTime End { get; set; }
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decimal PercentComplete { get; set; }
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int OrderId { get; set; }
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bool Summary { get; set; }
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bool Expanded { get; set; }
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}
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```
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```IGanttDependency
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public interface IGanttDependency
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{
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DependencyType Type { get; set; }
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}
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```
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## See Also
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* [Server-Side API](/api/gantt)
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{% if site.core %}
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* [Server-Side TagHelper API](/api/taghelpers/gantt)
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{% endif %}

‎docs-aspnet/html-helpers/scheduling/gantt/razor-page.md‎ renamed to ‎docs-aspnet/html-helpers/scheduling/gantt/binding/razor-page.md‎

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page_title: Razor Pages
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description: "An example on how to configure the Telerik UI Gantt component for {{ site.framework }} in a Razor Page."
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slug: htmlhelpers_gantt_razorpage_aspnetcore
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position: 10
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position: 3
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---
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# Gantt in Razor Pages
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@model IndexModel
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@inject Microsoft.AspNetCore.Antiforgery.IAntiforgery Xsrf
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@Html.AntiForgeryToken()
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@(Html.Kendo().Gantt<TaskViewModel, DependencyViewModel>()
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.Name("gantt")
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.Columns(columns =>
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.Read(r => r.Url("/Gantt/GanttIndex?handler=DependenciesRead").Data("forgeryToken"))
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)
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)
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<script>
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function forgeryToken() {
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return kendo.antiForgeryTokens();
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@inject Microsoft.AspNetCore.Antiforgery.IAntiforgery Xsrf
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@Html.AntiForgeryToken()
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@addTagHelper *, Kendo.Mvc
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<kendo-gantt snap="false" height="700" show-work-days="false" show-work-hours="false" name="gantt">
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<columns>
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<gantt-column field="TaskID" title="ID" width="50px">
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@inject Microsoft.AspNetCore.Antiforgery.IAntiforgery Xsrf
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@Html.AntiForgeryToken()
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```
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1. Send the `AntiForgeryToken` with the Read request.
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```JavaScript
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<script>
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function forgeryToken() {
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```
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Additional parameters can also be supplied.
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```JavaScript
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<script>
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function forgeryToken() {
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}
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</script>
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```
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1. Within the `cshtml.cs` file, add a handler method for each data operation.
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```C# Index.cshtml.cs
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public JsonResult OnPostRead([DataSourceRequest] DataSourceRequest request)
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{
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return new JsonResult(new[] { dependency }.ToDataSourceResult(request, ModelState));
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}
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```
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## See Also
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* [Using Telerik UI for ASP.NET Core in Razor Pages](https://docs.telerik.com/aspnet-core/getting-started/razor-pages#using-telerik-ui-for-aspnet-core-in-razor-pages)
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* [Client-Side API of the Gantt](https://docs.telerik.com/kendo-ui/api/javascript/ui/gantt)
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* [Server-Side HtmlHelper API of the Gantt](/api/gantt)

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