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jQuery ComboBox Cascading ComboBox

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cascadingcombobox.html

Also available for:

Categories
Products
Orders

#fieldlist { margin: 0; padding: 0; } #fieldlist li { list-style: none; padding-bottom: 1.5em; text-align: left; } $(document).ready(function() { var categories = $("#categories").kendoComboBox({ filter: "contains", placeholder: "Select category...", dataTextField: "CategoryName", dataValueField: "CategoryID", dataSource: { type: "odata-v4", serverFiltering: true, transport: { read: "https://demos.telerik.com/service/v2/odata/Categories" } } }).data("kendoComboBox"); var products = $("#products").kendoComboBox({ autoBind: false, cascadeFrom: "categories", filter: "contains", placeholder: "Select product...", dataTextField: "ProductName", dataValueField: "ProductID", dataSource: { type: "odata-v4", serverFiltering: true, transport: { read: "https://demos.telerik.com/service/v2/odata/Products" } } }).data("kendoComboBox"); var orders = $("#orders").kendoComboBox({ autoBind: false, cascadeFrom: "products", filter: "contains", placeholder: "Select order...", dataTextField: "Order.ShipCity", dataValueField: "OrderID", dataSource: { type: "odata-v4", serverFiltering: true, transport: { read: { url: function(options) { return kendo.format("https://demos.telerik.com/service/v2/odata/Products({0})/Order_Details?$expand=Order", products.value()); } } } } }).data("kendoComboBox"); $("#get").click(function() { var categoryInfo = "\nCategory: { id: " + categories.value() + ", name: " + categories.text() + " }", productInfo = "\nProduct: { id: " + products.value() + ", name: " + products.text() + " }", orderInfo = "\nOrder: { id: " + orders.value() + ", name: " + orders.text() + " }"; alert("Order details:\n" + categoryInfo + productInfo + orderInfo); }); });

Description

The Kendo UI for jQuery ComboBox enables you to render a series of two or more ComboBoxes in which each ComboBox is filtered according to the selected options in the previous ComboBox.

This demo shows how to enable the cascading functionality by defining the cascadeFrom property, pointing to the Id of the parent ComboBox. Thus, the data in each ComboBox is enabled and filtered based on the selection in the previous ComboBox.

The child ComboBox takes the following actions during initialization:

Enables the cascading functionality only if the cascadeFrom property is set.
Tries to find the parent object.
Listens for changes in the parent value.
Remains disabled if the parent has no value.

This ComboBox example is part of a unique collection of hundreds of jQuery demos, with which you can see all Kendo UI for jQuery 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 Kendo UI for jQuery Dojo or ThemeBuilder.

jQuery ComboBox Cascading ComboBox

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