Kendo dropdownlist trigger changeOn 21.10.2020 by Kishicage
I'm using Kendo UI for the first time and am having some difficulty triggering a function on my Kendo dropdownlist change. My goal here is to show different search fields depending on the user's drop down selection. I have tried this a few different ways, and nothing seems to work. However, it wasn't just copy and paste, I still don't know why this example is not available in the official FAQ Telerik page, but I'd like to provide the key point in order to do it:.
Label "Search" Html. DataTextField "Text". DataValueField "Value". Mode GridEditMode. InLine Why? Because when you are going to edit or add the line: The cascade Drop downs are fully linked to the ID, for example: 2 Next, your new column in the grid is going to look this one: columns.
AutoBind false. DataTextField "Name". Action "PopulateCategories""FullView". DataValueField "ID". Action "PopulateStatuses""FullView".
Data "filterCategories". GetCategoriesJsonRequestBehavior. Name "SearchType". How can I conditionally change the values of a dropdown in a Kendo Grid? Title "Status Name". Width "55px" ;To use DropDownList in a PHP page instantiate a new instance, configure it via the available configuration methods and output it by echo -ing the result of the render method. Configures the opening and closing animations of the suggestion popup. Setting the animation option to false will disable the opening and closing animations.
As a result the suggestion popup will open and close instantly. If set to true, the widget automatically adjusts the width of the popup element and does not wrap up the item label. Fired when the value of the widget is changed via API or user interaction. For additional information check the cascade event documentation. Use it to set the Id of the parent DropDownList widget. Help topic showing how cascading functionality works. Defines the field to be used to filter the data source.
If not defined the parent's dataValueField option will be used. Defines the parent field to be used to retain value from. This value will be used further to filter the dataSource. If not defined the value from the parent's dataValueField will be used. Fired when the value of the widget is changed by the user. As of Q3 SP1 cascading widget will trigger change event when its value is changed due to parent update. The event handler function context available via the this keyword will be set to the widget instance.
For additional information check the change event documentation. Fired when the popup of the widget is closed. For additional information check the close event documentation. Fired when the widget is bound to data from its data source. For additional information check the dataBound event documentation. The field of the data item that provides the text content of the list items. The widget will filter the data source based on this field. Specifies the delay in milliseconds before the search-text typed by the end user is sent for filtering.
If set to false the widget will be disabled and will not allow user input. The widget is enabled by default and allows user input.
DropDownList Selected Index Changed Event In MVC
If set to true the widget will not show all items when the text of the search input cleared.The change event is being triggered when having an initially selected item in the DropDownList and then open the DropDownList and click on the default selected item.
This bug is represented only in MVVM. The change event of a DropDownList with initial data selected is being triggered when clicking on the already selected value.
Selecting the already selected item of a DropDownList shouldn't trigger its change event because there is no actual change in the component's value. Please check this Dojo for the expected behavior. Create an account Log In.
Back to Feed. Request a Feature Report a Bug. Created on: 08 Jul Category: DropDownList. Type: Bug Report. Bug report The change event is being triggered when having an initially selected item in the DropDownList and then open the DropDownList and click on the default selected item. Reproduction of the problem Open this Dojo and run it.
The three cascading DropDownLists will have default selected items Click on the first DropDownList and select the already selected "Confections" option The other two DropDownLists will be reset because of the change event thrown in the first DropDownList Current behavior The change event of a DropDownList with initial data selected is being triggered when clicking on the already selected value.
Environment Kendo UI version: Add a Comment. Your Comment. Posted on: 10 Jul Just one more clarification. The error occurs when you select the item that was already selected or when you click outside the dropdownlist, without selecting anything and the list of items is closed. Create an account Log In View.Last post Jun 19, PM by mgebhard.
The design has two selects with the same name and id but different data sources. Most likely the external file is loaded before the HTML. Either load the file after the selects or place the change handler inside the jQuery ready event. But you did say the example code worked in the script section.
That means the name is correct unless there's other information we need to know. I'm pretty sure you still have a design issue as the select inputs have the same name. Peter, the shared code works one way. Or you can use the "name" selector as recommended above. Keep in mind that you still have a potential issue the duplicate names.
Make sure the associated view model has a "ProdId" defined as an array or the action argument is defined as an array. You understand once you try to submit the data to a controller. The most likely symptom is the expected ID is null. How to bind the on change event to dropdownlist event on MVC razor view?
Print Share Twitter Facebook Email. Related Links Guidance Samples Videos. Peter Cong Member. Product Name in English: Html.GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together.
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. The problem here is a bit deeper. Some widgets trigger "change" on the original element let's call this element::change. This happens after "change" is triggered on the widget itself widget::change. Normally we should update the scope on widget::changebut when an element::change occurs, scope is updated by Angular's ng-model, outside of our control.
We don't want to update the scope twice, because this and this and probably others. Therefore there's this ugly hack which uses a timer to detect if there was an element::changeand if not, we update the model on widget::change.
Other "change" handlers will, of course, have been run by that time with the outdated data in scope. Did you run the tests? Skip to content. Dismiss Join GitHub today GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Sign up. New issue. Jump to bottom. Copy link Quote reply. Model is not updated. Change Select's selection. Model is updated. Reported in TicketID: I'm not yet sure what's the best fix without disrupting anything….
Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I'm using Kendo UI for the first time and am having some difficulty triggering a function on my Kendo dropdownlist change. My goal here is to show different search fields depending on the user's drop down selection.
I have tried this a few different ways, and nothing seems to work. Subscribe to the onSelect event and then get the selected item text. Below from kendo demo site. Learn more. Asked 6 years, 5 months ago.
Active 3 years, 5 months ago. Viewed 24k times. Does anyone have a simple jQuery snippet that would get the text of the Kendo UI dropdown? Label "Search" Html. DataTextField "Text".
DataValueField "Value". ZygD 5, 11 11 gold badges 40 40 silver badges 58 58 bronze badges. Mark Mark 4, 7 7 gold badges 41 41 silver badges 80 80 bronze badges.Kendo UI MultiSelect ComboBox in angewandted80nk.pw MVC
Active Oldest Votes. Name "SearchType". Rudresha Parameshappa Rudresha Parameshappa 3, 3 3 gold badges 22 22 silver badges 30 30 bronze badges. Rick S Rick S 5, 5 5 gold badges 22 22 silver badges 38 38 bronze badges.
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I'm trying to attach a. It fires, but only after the user clicks somewhere else, not at the moment the selected option changes. I need to have it fire when the selected option changes, just like the ASP.
Does anyone know why it is behaving this way. My friend who uses jQuery a lot, but not ASP. NET stopping the event from firing correctly There is nothing wrong with the control being generated by ASP.
Can you post the ASP. NET code containing the DropDown control. I am unable to reproduce your issue, it's working on my side. Since its client dev are you able to show a sample online? I am developing the site on my local machine at the moment, so don't have a way of posting it on the web. The event your looking for is the select event not the change event. Mar 26, PM MetalAsp. It may be caused by ASP. NET ID mangling especially with usercontrols and master pages.
The select event does not work like you said it does. I stand corrected on the handler to use. I tried with the select event like you said and it did not work, just like the documentation said. JQuery Select event only works with input and textarea tags because it's fired when the user select the text inside it. In fact, he wanted to do something when the user changes the dropdown's value, which is why the change event is for.
Binding to those two events will ensure that the event will fire if the user changes their selection with the keboard or mouse. So now the code looks like this.
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Print Share Twitter Facebook Email. Re: jQuery. NET Framework 3. NET Applications. This can be beneficial to other community members reading the thread. Mark it answered if I answered your needs. Thanks, Thanks for taking a look at the issue.
Here is the ASP. Net All-Star. Anyways, I agree with you on this: itanex though that changes little about the correct solution, he still needs to have the correct selector that we are pointing out. Hopefully that fixed his issue.
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