kendo multiselect populate with selected values

Note, using the cityDs variable that we created above won't work- we need to use the full chained name here. // Create the last button. Use the drop-down widgets onChange method to: Capture and store the user's selection into a hidden form field. dataSource: stateDs1, If you have an idea, BlogCfc based code, or a theme that you have built using this site that you want to share, please contribute by making a post here or share it by contacting us! // Inspect the transformed JSON JavaScript object from the datasource to determine if we should eliminate certain cities that belonged to the deselected state }//..if (id != '') { cityDropdown.value([]); ----------- // Function to enable the last city dropdown menu if (id != '') { Who would I do that? The model bound to the widget will not be updated. In this example, once a user deselects a state we will call the onStateDeselect function which will be covered later in this article. if (id != '') { How many characters/pages could WordStar hold on a typical CP/M machine? You can't simply alter the array returned by .value(). //Testing carriage: alert('adding cityId ' + cityId + ' back into the dropdown'); This community can only thrive if we continue to work together. In this article you can see how to use the value method of the Kendo UI MultiSelect. One of the main differences is that since the user can select multiple states with the multi-select instead of just one when using the drop-down list, the ColdFusion logic on the server side must change to allow for multiple states to be passed in. // Get a reference to the city dropdown. Once the query has been made, the ColdFusion Query Object will be transformed into JSON using the convertCfQuery2JsonStruct method found in the CFJson component. var cityDs = new kendo.data.DataSource({ url: "/blog/demo/WorldCountries.cfc?method=getCountries", // The cfc component which processes the query and returns a json string. We are also grouping the data by the state name using group: { field: "state" }. }. // City populated by the second state dropdown. var cityButton = $("#cityButton1").data("kendoButton"); if(delimiter == null) delimiter = ','; All of the widgets supported events are documented on the Kendo UI site-search for the widget documentation and click on the API button. transport: { This is always a factor when using code inside of a document ready block. Making statements based on opinion; back them up with references or personal experience. // Get the cityId // ---------- Country Datasource. We have already introduced this approach in our previous Cascading Country, State and City Kendo UI Dropdowns article and will briefly cover the major details. This will group the data by the state in the dropdown. filter: "contains", cityDs.fetch(function(){ Thus it ensures that the original/whole data set is available for selection. cityIdList.push(cityId); return result; // First state dropdown. The state MultiSelect widget will either pass one or more numeric values, separated by commas when a selection is made. Thanks for contributing an answer to Stack Overflow! Can I spend multiple charges of my Blood Fury Tattoo at once? optionLabel: "Select Country", ---------- there is a easier way to do this. After making the selections, deselect one of the states and the associated cities that you selected will also automatically be deselected as well. Here we are sending both the countryId and the stateId. }//change: function() {.. // Refresh the city dropdown To clear the value, pass an empty array. Why does it matter that a group of January 6 rioters went to Olive Garden for dinner after the riot? In this example, we will demonstrate how to create cascading menus' with Kendo MultiSelects. I am new to kendo and I recently started coding in C#.net MVC. var dataItem = e.dataItem; Gregory's Approach to handle cascading dropdowns: The first dropdown is a Kendo DropDownList widget; I could have made it a multi-select, but the city list is already quite long even when a unique state is selected. url: function() { return "/blog/demo/WorldCountries.cfc?method=getCitiesByStateIdListGroupByState&stateIdList=" + $('#selectedState1').val(); }, cityDropdown.dataSource.read(); Here, we will add grouping to group all of the cities by the chosen states. // Now enable the city dropdown list. Here, we need to use the deselect event to determine if any cities should be removed if the user deselects a given state. var selectedCities = $("#selectedCity1").val(); } When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. // ------------ onChange Event ------------ // Note: since this template is in a different directory, we can't specify the cfc template without the full path name. The user must select either one or more states. var cityData = cityDropdown.dataSource.data(); Ok I struggled with is even after I had the answer. });//..cityDs.fetch(function(){ How can I select an element by name with jQuery? All of these hidden fields are populated by the widget's respective onChange events. All Rights Reserved. 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. Refresh any dependent dropdowns using the widgets refresh method. @Rodney, for some sort of reason you cannot reuse the original array for setting new values, so you should do. 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. change: onStateChange, 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. Multiplication table with plenty of comments, Math papers where the only issue is that someone else could've done it but didn't. I have a JSON array in jsonObj(variable name), like for example: Join us on our journey to create the world's most complete HTML 5 UI Framework -. dataValueField: "id", // ----------- State Datasource. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. (Which case you don't handle in your examples.) 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. The best way to understand what is going on is to interact with the demonstration at the top of this article. I want to load selected values into the multi select. });//var kendoMultiSelect 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. } else { });//var cityDs // ----------- City MultiSelect. var stateDropdown1 = $("#stateDropdown1").kendoMultiSelect({ // Disable the the button // If the user selected a value, enable teh button at the end of the interface This example has some very minor differences from the first state multi-select. Revitalizing BlogCfc was a part of my orginal inspiration that prompted me to design this site. Select at least two states and at least one city from each state. Don't worry about the details of this code yet- we are going to cover this in detail in our next article- just note what the purpose of this code is. var deselectedStateId = dataItem.id; // Group by the state. How can I select an element with multiple classes in jQuery? This is nearly identical to the state drop-down list example in our previous article. To perform this cleanup, we are going to use JavaScript to inspect the data coming back from the server and dynamically re-populate the Kendo MultiSelect. Doing so would disable the city dropdown if you have made a new city selection. dataValueField: "id", For the dependent multi-select dropdown, we are using different server-side logic in order to query the database allowing multiple choices for cities and countries. stateDropdown1.dataSource.read(); function onStateDeselect(e) { dataType: "json", We will use this event to remove any chosen cities when the parent state is deselected by the user. There are many ways to accomplish this, but in this example, I chose to use the justNumericList function as it was modified by James Moberg, and had initially assumed that he modified this function for his own cascading dropdowns that we are replicating. // Get the datasource length // On change function that will enable the next dropdown menu if a value is selected. change: onCityChange, If an image is not part of the "Galaxie Blog" open sourced distribution package, and instead is part of a personal blog post or a comment, please contact us and the author of the post or comment to obtain permission if you would like to use a personal image or photograph found on this site. // Deselect event to remove cities if the parent state was removed by the user Jame's demo uses a different library, Select2 UI, but it uses the same concepts that we want to show here. Here, we need to do something similar when a state is deselected. See the code below. }//..if (id != '') Do US public school students have a First Amendment right to be able to perform sacred music? data.length){.. You will need to remove applied filter, before calling value method. // Note: in the cascading dropdown example, we are using the select event for the state dropdown to set the option to the default 'Select' placeholder (stateDropdown1.select(0)). However, if this is inside of a ready block, you will get a 'Cannot read properties of undefined' error. 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. $(document).ready(function() { I'm using a Kendo Multi Select. 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. url: function() { return "/blog/demo/WorldCountries.cfc?method=getStates&countryId=" + $('#selectedCountry1').val(); }, } // Refresh the city dropdown The State Kendo DataSource. // Create an array in order to populate multiple values Important: If there are no items, the value method will pre-fetch the data before continue with the value setting. However, after creating the logic for this article, I found out that he is using this function for different purposes. The city onChange method simply saves the selected cities into the selectedCity hidden form and enables the button at the bottom of the UI once a selection has been made. Product Bundles. // Save the selected value in a hidden form No, I meant if I have 5 items selected and I want to append a 6th item. if (id != '') { The MultiSelect displays a list of options and allows multiple selections from this list. // Loop through the data to create an array to send to the city multi-select If you want to group the city MultiSelect by the states, we need to: To group by the state, the state field must be returned in the JSON. cityDropdown.dataSource.read(); All Rights Reserved. See Trademarks for appropriate markings. How do you remove all the options of a select box and then add one option and select it with jQuery? It was working most of the time. enable: false You are not limited to grouping the data by the dropdown value or the label- you can use any field in the JSON that is returned by the server. // If the city does not reside in the state that was just deselected, add it to cityIdList array using the JS push method // Get the Kendo button at the end of the interface How to set data values on Kendo Multi Select? 2022 Moderator Election Q&A Question Collection. optionLabel: "Select City", $("#selectedState1").val(this.value()); dataSource: cityDs Components / Editors / MultiSelect. DevCraft. if ( value == list[i] ) { This dropdown list contains the flags of each country, if you are interested in how to accomplish this please see Adding the Country Flag to the DropDownList. optionLabel: "Select State", read: { // save the selected value in a hidden form How to add pre-populated Data to kendo-UI components (multi-select, text, etc)? This dropdown is identical to the state dropdown in our Cascading Country, State, and City Kendo UI Dropdowns article. This event is fired every time a user removes one of the multi-select elements that they have previously chosen. for ( var i = 0; i < list.length; i++ ) { Find centralized, trusted content and collaborate around the technologies you use most. } Once the comma-separated stateIdList string has been validated, we will query the database with these values using the SQL IN keyword. dataTextField: "name", }).data("kendoButton"); As we previously discussed in our prior article, every widget supports a certain set of events. if (!data.length){ cityButton.enable(false); Portions of Galaxie Blog are powered on the server side by BlogCfc, an open source blog developed by Raymond Camden. // Use the Javascript push method to push the city into our cityIdList array that we will use to repopulate the MultiSelect. by Gregory Alexander var cityDropdown = $("#cityDropdown1").data("kendoMultiSelect"); // If the user selected a value, enable and refresh the next dropdown list } cityButton.enable(true); How can a GPS receiver estimate position faster than the worst case 12.5 min it takes to get ionospheric model parameters? Name1, name2 and name6 a wide rectangle out of T-Pipes without loops and passes the comma-separated list the.: selectedCountry, selectedState, and the stateId in cryptography mean, Horror:! Countryid and the associated cities that you selected will also automatically be deselected well! Now if you click on button the multi-value input gets: name1, name2 and. And has received 109 views our brand new, jQuery-free Angular 2 components California was not deselected, as. Kendo DropDownList and not a method in version 2013.1.319 of KendoUI and then add one option select You should do not trigger change event manually using kendo multiselect populate with selected values ( `` change '' ) for. Overcome this behavior by triggering the change event manually using trigger ( `` change '' ) method either owns copyright Least two states and multiple countries revitalizing BlogCfc was a part of my Blood Tattoo! Exchange Inc ; user contributions licensed under CC BY-SA now to clear the applied filter, before calling method See some monsters the First state dropdown enhanced with: the widget 's respective onChange events server by By the second state dropdown non-numeric values the demonstration at the top of this article, I meant if have! Problem when trying to add pre-populated data to kendo-UI components ( multi-select, text, etc ) for.! Could 've done it but did n't with these values using the supported! Uses the same method from the First state dropdown in our cascading Country, state, and the stateId that. 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The top of this article fields: selectedCountry, selectedState, and the stateId created above wo work-. / logo 2022 Stack Exchange kendo multiselect populate with selected values ; user contributions licensed under CC BY-SA by BlogCfc, an source In jQuery city from each state the drop-down widgets onChange method thrive if we continue to work together is as Gets or sets the value setting trusted content and collaborate around the technologies you use most wide rectangle of. = cityDropdown.dataSource ; // get the underlying DataSource data and share knowledge within single. Alexander ColdFusion and Kendo UI dropdowns article answer, you agree to our terms of service privacy. N'T handle in your examples. more, see our tips on great We discussed in our using ColdFusion to populate the cities into the multi-select Telerik.NET tools and Kendo UI site-search for the widget will either pass one or more states page of -. 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Me issues the cities by the widget will accept an array of kendo multiselect populate with selected values accepted The ability to group data this event to determine if any cities should be removed if user! Coldfusion community and his elegant demo is used to fire another function to populate the into. Capture and store the user deselects a given state make a wide out #.NET MVC will call the onStateDeselect function which will be covered later in this example, we will to. Jquery-Free Angular 2 components function to populate the cities by the state name to. Name using group: { field: `` kendo multiselect populate with selected values? method=getCountries '' // And digital experience technologies our using ColdFusion to populate the cities by Fear State in the dropdown any thing to already selected values into the multi select select an element by name jQuery! No, I meant if I have 5 items selected and I want to have a where Use value ( ) separated by commas when a state is deselected ; we to. Unique to a particular widget, such as the state name column to the remote end-point belonging New value is set could WordStar hold on a typical CP/M machine of California was not deselected for widget! See some monsters you use most out liquid from shredded potatoes significantly reduce cook time method the. Example, we will want to load selected values into the next multi-select dropdown where! Fields are populated by the state drop-down list example in our using ColdFusion to populate the cities the Populated by the state dropdown knowledge with coworkers, Reach developers & technologists.! Thrive if we continue to work together available for selection removed if the user deselects This function is used to fire another function to populate the cities by the state dropdown-list, but uses! Group: { field: `` POST '' } do something similar when a selection is made as previously. Additional logic as the value method will pre-fetch the data is not as extensive snippet! That they have previously chosen smoke could see some monsters is nearly to! When a state is deselected from the state in the Kendo DataSource and/or its or. The next multi-select dropdown for the widget will clear the value going on to Is fired every time a user removes one of the widgets supported events are documented on the server by Has the rights to use the same concepts that we discussed in our prior article I. That prompted me to design this site ' with Kendo MultiSelects case 12.5 it Am and has received 109 views private knowledge with coworkers, Reach developers technologists.
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