But, hold on… even though a change event fired on the select element, we’re concerned with more than just the fact that there was a change we want to know which one of the option elements was selected. The reason that we care about the event object is that the select element contains one or more children, and we are going to attach a handler to the (change) event of the select element. It contains information about the user’s action.

But with Angular, you need to do a little bit of the work. In a pure HTML-based form, there is virtually no work to do the browser takes care of all the heavy-lifting. Technically, a dropdown element is actually a select element and each menu item in the dropdown is an option element. Now, in our form, when the select box value is 'Group2', the available result in our popup selection dialog will only shown the data which have group equal to 'group2'.ĪPP_form_how_to_url_params-1-20151119114709.Learn how to determine which dropdown menu the user selected in your Angular template, and get its value.ĭropdown elements provide a way to give your visitors choices. Let us populate some data to our datalist for testing. The default value will be used when configured field return empty value. You can configure a default value if you want to. In this care, the value of 'filter' field will pass as the value of 'group' parameter. We will have a select box which will be used to filter the datalist result and its field id is set to 'filter'.Ĭonfigure the 'URL Request Parameters for Datalist' option of Popup Select Box and List Grid as following.īy configure this way, the element will retrieve the configured field value and pass it as a url request parameters to the datalist when the popup select dialog is open. In this form, we will have a Popup Select Box and a List Grid which will use the datalist we just created as popup selection dialog.

You are allow to use other binder and write your filter condition using Request Param Hash Variable.Īfter we have our datalist ready, let make a form as following. In this sample, our request parameter name is 'group' and we are using Advanced Form Data Binder to retrieve form data. In this article, we will use the 'URL Request Parameters for Datalist' option of List Grid or Popup Select Box form element to refine the result of popup datalist selection.įirst, we will have to create a datalist and set the filter using Request Param Hash Variable.

Dx select box