var selectedCities = $("#selectedCity1").val(); by Gregory Alexander // The function allows the url to become dynamic to append additional arguements. // Get the Kendo button at the end of the interface This community can only thrive if we continue to work together. } else { The user must select either one or more states. cityButton.enable(true); // Fetch the data from the cityDs Kendo datasource. To clear the value, pass an empty array. This must be outside of the transport block var id = this.value(); In this example, even though we are using a MultiSelect here instead of a DropDownList, the Kendo data source of the state dropdown is identical to the DropDownList state data source in our previous article. We can also use the read method Progress, Telerik, and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. $(document).ready(function() { dataValueField: "id", }. You can't simply alter the array returned by .value(). type: "POST" // Get the selected value } value - API Reference - Kendo UI MultiSelect - Kendo UI for jQuery Cascading Kendo MultiSelect Dropdowns // Get the Kendo button at the end of the interface Implement DropDown MultiSelect Using Kendo UI MultiSelect In ASP.NET MVC5 var result = 0; read: { All Rights Reserved. You need to create a new array! } else { autoBind: false, Here, we will add grouping to group all of the cities by the chosen states. dataValueField: "id", This dropdown is identical to the state dropdown in our Cascading Country, State, and City Kendo UI Dropdowns article. var cityButton = $("#cityButton1").data("kendoButton"); cityDropdown.value([]); rev2022.11.3.43004. This function is fundamentally the same as city dropDownList that we have previously covered, however, the string kendoDropDownList is replaced with kendoMultiSelect, and optionLabel is replaced with placeHolder. // Refresh the city dropdown Thus it ensures that the original/whole data set is available for selection. dataTextField: "name", if(delimiter == null) delimiter = ','; How to add pre-populated Data to kendo-UI components (multi-select, text, etc)? How to Set values in kendo multiSelect | Telerik Forums // Get the underlying datasource data. You will need to remove applied filter, before calling value method. No, I meant if I have 5 items selected and I want to append a 6th item. contentType: "application/json; charset=utf-8", // Note: when posting json via the request body to a coldfusion page, we must use this content type or we will get a 'IllegalArgumentException' on the ColdFusion processing page. dataValueField: "id", Not the answer you're looking for? Please check the following sample and let me know if it helps: Please check the following sample and let me know if it helps: Telerik and Kendo UI are part of Progress product portfolio. Also, we will not use the select argument and the end of the initialization to default the multi-select to the first value in the list (the multi-select does not have an initial value and thus does not support the select argument). var cityStateId = cityData[i].state_id; Just like the onChange method for the Kendo drop-down list, this method saves the selected values into the cityDropdown hidden form field and enables and refreshes the data in the next city multi-select. // Now get a reference to the city dropdown datasource. Telerik has an example of how to create cascading dropdowns with MultiSelects, however, in my opinion, it is too complex and will suggest a simpler straightforward event-based approach. Revitalizing BlogCfc was a part of my orginal inspiration that prompted me to design this site. // Enable the city dropdown list. } ----------- filter: "contains", Stack Overflow for Teams is moving to its own domain! Why does it matter that a group of January 6 rioters went to Olive Garden for dinner after the riot? Multiplication table with plenty of comments, Math papers where the only issue is that someone else could've done it but didn't. url: "/blog/demo/WorldCountries.cfc?method=getCountries", // The cfc component which processes the query and returns a json string. We are also calling functions via two MultiSelect events- the change event, which we have already covered, and a new deselect event that is specific to the Kendo MultiSelect. When using a widget that allows the user to select multiple values, like the MultiSelect, it is nice to be able to group the data of the next dependent dropdown by the selected values. Making statements based on opinion; back them up with references or personal experience. template: ' #: data.name #', In this example, even though we are using a MultiSelect here instead of a DropDownList, the Kendo data source of the state dropdown is identical to the DropDownList state data source in our previous article.The only difference here is that in this example, the data-sources change method is used on rare occasions to enable and populate the cities dropdown when there . // Get the datasource length Find centralized, trusted content and collaborate around the technologies you use most. // ----------- City Datasource. Add the state name column to the ColdFusion query that generates the JSON. As we previously discussed in our prior article, every widget supports a certain set of events. If you click on button the multi-value input gets: name1, name2 and name6. MultiSelect Overview. }, // Now enable the city dropdown list. enable: false Product Bundles. Important: The widget will clear the applied filter if a new value is set. We are also grouping the data by the state name using group: { field: "state" }. If you don't want the complexity of this code you can simply remove the cities whenever something is deselected by keeping the cities in the list or by setting the values of the multi-select to null. group: { field: "state" } The widget represents a richer version of the <select> element and provides support for local and remote data binding, item and tag templates, and configurable options for controlling the list behavior. // Refresh the state dropdown Asking for help, clarification, or responding to other answers. var countryDropdown1 = $("#countryDropdown1").kendoDropDownList({ 5 Answers Sorted by: 4 You can also assign the array, returned from the value () method, directly to the variable, e.g. function onStateDeselect(e) { return result; if (!data.length){ A String value or an Array of strings is accepted. if (listFind(selectedCities,cityId) > 0){ Here we are sending both the countryId and the stateId. });//var kendoMultiSelect @Rodney, for some sort of reason you cannot reuse the original array for setting new values, so you should do. ----------- //Testing carriage: alert('New cityIdList' + cityIdList); To remove all of the selected options in the Kendo MultiSelect, simply use the following code: This multi-select is dependent upon the chosen values in the country dropdown and the state multi-select. }).data("kendoDropDownList");//var countryDropdown1 This is always a factor when using code inside of a document ready block. }//read.. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In a nutshell, this method queries the World, Countries City database and converts the ColdFusion query into a JSON string using our CfJson ColdFusion component. // The function allows the url to become dynamic to append additional arguements. The Kendo DataSource takes the values from the hidden selectedState form field and passes the comma-separated list to the getCitiesByStateIdList method. $("#selectedCountry1").val(this.value()); Gregory Alexander either owns the copyright, or has the rights to use, all images and photographs on the site. stateDropdown1.enable(); });//var countryDs1 Important: This method does not trigger change event. // Get the cityId However, we will leave the city of Los Angeles as the state of California was not deselected. // Function to enable the city dropdown when a state does not exist for a selected country. type: "POST" var id = this.value(); var stateDropdown1 = $("#stateDropdown1").kendoMultiSelect({ //Testing carriage: alert('adding cityId ' + cityId + ' back into the dropdown'); // Disable the city button }//function onCountryChange1(e) var cityDropdown1 = $("#cityDropdown1").kendoMultiSelect({ if ( value == list[i] ) { This could affect MVVM value binding. EDIT If you want to add to current selected values then do: NOTE: For some sort of reason you cannot reuse selected array for setting new values, so you should create a new one. }//function onStateChange(e) Thanks for contributing an answer to Stack Overflow! I'm using a Kendo Multi Select. // Clear the previous values in the multiSelect How do you remove all the options of a select box and then add one option and select it with jQuery? There are some countries that do not have states. Saving for retirement starting at 68 years old. This selection is saved into the selectedCity hidden form and passed along using the Kendo DataSource. // Disable the button at the bottom of the UI Doing so would disable the city dropdown if you have made a new city selection. // Create an array in order to populate multiple values } // save the selected value in a hidden form result = i + 1; Since we have already covered this dropdown, I will not share the code or elaborate on the details but will include the links to the original article below: The state multi-select dropdown is dependent on the country dropdown and contains all of the states for the selected country and is a required field. This would negatively impact the performance of the UI and potentially crash the browser. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. We will also briefly cover how to inspect the data coming from the parent dropdown data source and use the JavaScript push method to deselect MultiSelect values chosen by the user as well as using the Kendo DataSource to group city data in the menu. if (cityStateId != deselectedStateId){ Now coming to your problem - here is my solution: Now in order to set the selected values for the select box, you just have to use the value() method.

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