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Telerik UI for ASP.NET Core Components

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  .Columns(columns =>
      columns.Select().Width("6%").HtmlAttributes(new { @class = "checkbox-align" }).HeaderHtmlAttributes(new { @class = "checkbox-align" });
      columns.Bound(p => p.ProductName)
                  @"<div class='product-photo'
                      style='background-image: url(" + @Url.Content("~/shared/web/foods/#:data.ProductID#.jpg") + ");'></div><div class='product-name'>#: ProductName #</div>").Width(300);
      columns.Bound(p => p.Discontinued).Title("In Stock").Width("30%")
                          .ClientTemplate("<span id='badge_#=ProductID#' class='badgeTemplate'></span>");        
      columns.Bound(p => p.CustomerRating).Title("Rating").Width("16%").Editable("returnFalse").ClientTemplate(Html.Kendo().Rating()
              .HtmlAttributes(new { data_bind = "value: CustomerRating" })
      columns.Bound(p => p.Country.CountryNameLong).Title("Country").EditorTemplateName("Country").ClientTemplate(
          @"<div class='k-text-center'><img src='" + @Url.Content("~/shared/web/country-flags/#:data.Country.CountryNameShort#.png") + "' alt='#: data.Country.CountryNameLong#' title='#: data.Country.CountryNameLong#' width='30' /></div>").Width("12%");
      columns.Bound(p => p.TargetSales).Editable("returnFalse").Title("Target Sales")
                    .Legend(legend => legend
                    .HtmlAttributes(new { data_series= "[{data: [#=TargetSales#], labels:{visible:true, format:'{0}%', background:'none'}}]"})
                        .ChartArea(chartArea => chartArea.Margin(0).Width(180))
                        .CategoryAxis(axis => axis
                            .MajorGridLines(lines => lines.Visible(false))
                            .MajorTicks(lines => lines.Visible(false))
                        .ValueAxis(axis => axis
                            .Labels(l => l.Visible(false))
                            .MinorTicks(lines => lines.Visible(false))
                            .MajorGridLines(lines => lines.Visible(false))
                        .Tooltip(tooltip => tooltip
  .ToolBar(toolbar =>
  .Reorderable(r => r.Columns(true))
  .Events(events => events.DataBound("onDataBound"))
  .DataSource(dataSource => dataSource
      .Events(events => events.Error("error_handler"))
      .Model(model =>
          model.Id(p => p.ProductID);
          model.Field(p => p.ProductID).Editable(false);
          model.Field(p => p.Discontinued).Editable(false);
          model.Field(p => p.TotalSales).Editable(false);
          model.Field(p => p.Category).DefaultValue(new CategoryViewModel() { CategoryID= 8, CategoryName="Seafood"});
          model.Field(p => p.Country).DefaultValue(new CountryViewModel() { CountryNameLong="Bulgaria", CountryNameShort="bg"});
      .Group(group=>group.Add("Category.CategoryName", typeof(string), ListSortDirection.Descending))
      .Create("DetailProducts_Create", "Grid")
      .Read("DetailProducts_Read", "Grid")
      .Update("DetailProducts_Update", "Grid")
      .Destroy("DetailProducts_Destroy", "Grid")
<script type="text/javascript">
  function error_handler(e) {
      if (e.errors) {
          var message = "Errors:\n";
          $.each(e.errors, function (key, value) {
              if ('errors' in value) {
                  $.each(value.errors, function () {
                      message += this + "\n";

  function onDataBound(e) {
      var grid = this;
      grid.table.find("tr").each(function () {
          var dataItem = grid.dataItem(this);
          var type = dataItem.Discontinued ? 'success' : 'error';
          var text = dataItem.Discontinued ? 'available' : 'not available';

          $(this).find('script').each(function () {

              type: type,
              value: text,

          kendo.bind($(this), dataItem);

  function returnFalse() {
      return false;

  .k-grid tr .checkbox-align {
      text-align: center;
      vertical-align: middle;

  .product-photo {
      display: inline-block;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background-size: 32px 35px;
      background-position: center center;
      vertical-align: middle;
      line-height: 32px;
      box-shadow: inset 0 0 1px #999, inset 0 0 10px rgba(0,0,0,.2);
      margin-right: 5px;

  .product-name {
      display: inline-block;
      vertical-align: middle;
      line-height: 32px;
      padding-left: 3px;
      width: 70%;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;

  .k-grid .checkbox-align {
    text-overflow: clip;

  .k-rating-container .k-rating-item {
      padding: 4px 0;

      .k-rating-container .k-rating-item .k-icon {
          font-size: 16px;

  .dropdown-country-wrap {
      display: flex;
      flex-wrap: nowrap;
      align-items: center;
      white-space: nowrap;

      .dropdown-country-wrap img {
          margin-right: 10px;

  #grid .k-grid-edit-row > td > .k-rating {
      margin-left: 0;
      width: 100%;
      .Title("The Boeing Company \n (NYSE:BA)")
      .DataSource(ds => ds.Read(read => read
          .Action("_BoeingStockData", "Financial")
      .Series(series =>
          series.Candlestick(s => s.Open, s => s.High, s => s.Low, s => s.Close);
      .Navigator(nav => nav
          .Series(series =>
              series.Area(s => s.Close);
<div id="team-schedule">
  <div id="people">
      <input checked type="checkbox" id="alex" aria-label="Alex" value="1">
      <input checked type="checkbox" id="bob" aria-label="Bob" value="2">
      <input checked type="checkbox" id="charlie" aria-label="Charlie" value="3">
  .Date(new DateTime(2020, 6, 13))
  .StartTime(new DateTime(2013, 6, 13, 7, 00, 00))
  .Views(views =>
      views.WorkWeekView(workWeekView =>
  .Resources(resource =>
      resource.Add(m => m.OwnerID)
          .BindTo(new[] {
              new { Text = "Alex", Value = 1, Color = "#f8a398" } ,
              new { Text = "Bob", Value = 2, Color = "#51a0ed" } ,
              new { Text = "Charlie", Value = 3, Color = "#56ca85" }
  .DataSource(d => d
      .Events(e => e.Error("onError"))
      .Model(m =>
          m.Id(f => f.TaskID);
          m.Field(f => f.Title).DefaultValue("No title");
          m.Field(f => f.OwnerID).DefaultValue(1);
          m.RecurrenceId(f => f.RecurrenceID);
      .Read("Read", "Scheduler")
      .Create("Create", "Scheduler")
      .Destroy("Destroy", "Scheduler")
      .Update("Update", "Scheduler")
      .Filter(filters =>
          filters.Add(model => model.OwnerID).IsEqualTo(1).Or().IsEqualTo(2) Or().IsEqualTo(3);

<script type="text/javascript">

function onError(e) {

  var errorMessage = "";
  if (e.errors) {
      for (var error in e.errors) {
          errorMessage += e.errors[error].errors[0] + " ";


  $(function () {
      $("#people :checkbox").change(function (e) {
          var checked = $.map($("#people :checked"), function (checkbox) {
              return parseInt($(checkbox).val());

          var filter = {
              logic: "or",
              filters: $.map(checked, function (value) {
                  return {
                      operator: "eq",
                      field: "OwnerID",
                      value: value

          var scheduler = $("#scheduler").data("kendoScheduler");


  #team-schedule {
      background: url('@Url.Content("~/shared/web/scheduler/")team-schedule.png') transparent no-repeat;
      height: 115px;
      position: relative;

  #people {
      background: url('@Url.Content("~/shared/web/scheduler/")scheduler-people.png') no-repeat;
      width: 345px;
      height: 115px;
      position: absolute;
      right: 0;
  #alex {
      position: absolute;
      left: 4px;
      top: 81px;
  #bob {
      position: absolute;
      left: 119px;
      top: 81px;
  #charlie {
      position: absolute;
      left: 234px;
      top: 81px;
<script id="treeview-template" type="text/kendo-ui-template">
  #: item.text #    
  # if (!item.items) { #
      <a class='delete-link' href='\#'></a>
  # } #
<div class="demo-section k-content">
      .DataSource(source =>
          source.Read(read => read.Action("Read_TemplateData", "TreeView"));

<script type="text/javascript">

  $(document).on("click", ".delete-link", function (e) {
      var treeview = $("#treeview").data("kendoTreeView");


  #treeview {
      width: 240px;
      margin: 0 auto;

  #treeview .k-sprite {
      background-image: url("@Url.Content("~/shared/web/treeview/coloricons-sprite.png")");

  .k-i-close-outline {
    color: red;
  .rootfolder { background-position: 0 0; }
  .folder     { background-position: 0 -16px; }
  .pdf        { background-position: 0 -32px; }
  .html       { background-position: 0 -48px; }
  .image      { background-position: 0 -64px; }

  .delete-link {
      width: 12px;
      height: 12px;
      background: transparent url("@Url.Content("~/shared/web/treeview/close.png")") no-repeat 50% 50%;
      overflow: hidden;
      display: inline-block;
      font-size: 0;
      line-height: 0;
      vertical-align: top;
      margin: 2px 0 0 3px;
      -webkit-border-radius: 5px;
      -mox-border-radius: 5px;
      border-radius: 5px;

  .k-i-close-outline {
   color: grey;
   padding-left: 5px;
   font-size: 12px;

Telerik UI for ASP.NET Core Components Key Features

ASP.NET Core Components Ready for Any UI Scenario

Cut development time and cost in half with more than 100 ASP.NET Core components for every need: navigation and layout, data management & visualization, editing, interactivity and more.

Visualize Data with Our Robust Components

Use a battle-hardened component such as Grid, Scheduler, Chart, Editor and many more, all with a ton of customization options to visualize your data.

Built-In, Yet Customizable Themes

Benefit from a variety of professionally designed built-in themes & the Telerik SAAS Theme Builder to deliver exceptional UI in no time.

Award-Winning Documentation, Code Samples & Technical Trainings

Hit the ground running with our extensive ASP.NET Core documentation, demos, docs & online technical training to achieve meaningful results in hours not months.

Outstanding Support from the Minds Behind the Product

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Web Apps Available to Any User Anywhere

Enjoy full support for accessibility standards, keyboard navigation for the tech-savvy users & respond to the user's culture to correctly format numbers, dates and helper texts.

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Kendo UI and UI for ASP.NET MVC can dramatically reduce the time you spend coding and testing. Our high-quality components drop right into your app providing an enhanced user experience and advanced functionality. Works great and looks great too. Great demos and extensive documentation will get you up and running in no time.

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Telerik UI for ASP.NET Core
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ASP.NET Core App

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Your Monthly December Update for Telerik UI for ASP.NET Core

In the Telerik UI for ASP.NET Core update for December, catch up with what’s new about the product and get a taste of what we are preparing for you in the first release of the new 2021 in January.


What's New with
Telerik UI for ASP.NET Core Components

Telerik UI for ASP.NET Core .NET Core Support

Official Support for the latest preview version of .NET Core 5

We are now supporting the latest preview version of .NET Core 5

Telerik UI for ASP.NET Core ImageEditor

New Component: ASP.NET Core Image Editor

You can now let users edit images directly in their browser! Add the Telerik UI for ASP.NET Core Image Editor and skip on using third-parties or external applications.

Telerik UI for ASP.NET Core Wizard

New component: ASP.NET Core Wizard

Don’t overwhelm you users! With the new Telerik UI for ASP.NET Core Wizard component, walk your users through multi-step processes with ease and customize every step of the way!

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reporting and mocking tools and save up to 90%
from the upgrade price.

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