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Preselect MultiSelect Items by Using MVVM Binding

Environment

Product Progress Kendo UI MultiSelect for jQuery
Operating System Windows 10 64bit
Visual Studio version Visual Studio 2017
Preferred Language JavaScript

Description

How can I preselect items by using MVVM binding in the Kendo UI MultiSelect widget?

Solution

The following example demonstrates how to achieve the desired scenario.

    <div id="example" >
      <div class="demo-section k-header">
        <h4>Products</h4>
        <button id="set">Set Source</button>
        <select data-role="multiselect"
                data-text-field="ProductName"
                data-value-field="ProductID"
                data-bind="{source: source, value: products}"
                ></select>
      </div>
      <script>
        $(document).ready(function() {
          var model = kendo.observable({
            products: [
              { ProductName: "Chang", ProductID: 2 },
              { ProductName: "Uncle Bob's Organic Dried Pears", ProductID: 7 }
            ],
            source: []
          });

          kendo.bind(document.body, model);

          $("#set").click(function() {
            var source = new kendo.data.DataSource({
              type: "odata",
              serverFiltering: true,
              transport: {
                read: {
                  url: "https://demos.telerik.com/kendo-ui/service/Northwind.svc/Products",
                }
              }
            });

            source.one("change", function() {
              debugger;
              var products = model.products;

              model.set("products", []);                
              model.set("products", products);                
            });

            model.set("source", source);
          })
        });
      </script>
      <style scoped>
        .demo-section {
          width: 400px;
        }
      </style>
    </div>

See Also

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