How to download a file from cascading dropdown javascript

Here is the step-by-step implementation of one-level and two-level cascading of a dropdown list in SharePoint. Document Library or list that will use the preceding created custom lists I am using World Location :. This tutorial, we learned how to do cascading dropdown in sharepoint list using jquery. Please log in again.

The login page will open in a new tab. After logging in you can close it and return to this page. At A Glance - Here's what we'll cover: show. Bind SharePoint list items to dropdownlist using JavaScript. Cascading dropdown in sharepoint using jQuery and JavaScript. Abhay Shanker. Why it is not set on the pageload event. Controls 1.

Parent Dropdown "ddlParent" 2. Child Dropdown "ddlChild" 3. It's just a lone dropdown out there which I have attached an 'onchanged' javascript event handler.

OK, I'm using context Keys in both dropdowns. The context Key for both of them is set by the Unrelated Dropdown. Here is the client script for the onchanged event for ddlUnrelated:.

The parent dropdown is always getting changed so the Child dropdown refreshes and everything is fine. The problem is, I can't get the Parent dropdown to refresh! What I want to accomplish When the "unrelatedChanged " javascript code executes, I want three things to happen:. The contextkey for both Parent and Child is switched to ddlUnrelated. I think I've got this already.

The parent dropdown will refresh its' items via the standard webservice call. This is already happening but it only happens on page load, I don't know how to fire the refresh on the parent dropdown with client script. The parent dropdown will set its' selected item to -1 so the child dropdown is disabled until a parent item is selected. I really don't want to at all.

I implemented this and it works great on first try, but am having trouble the second time -- the list does not refresh. However, if I hit cancel on the modal, then select a second row, I can watch the new contextKey being set, I can see it set corrected in the web service by the debugger , but when the popup appears -- it still has the values of the last edited row!

Is there something I have to do in javascript, client side to refresh a modalpopup or the cascading dropdownlist control so it can be reused with new values?

When you say "Is there something I have to do in javascript, client side to refresh a modalpopup or the cascading dropdownlist control so it can be reused with new values? I actually had this same setup with dropdowns in a modal popup. If that doesnt solve your problem just post back onto that post and I'll help you figure it out. I'm not quite understanding the point of the unrelated drop down list -- is that just a "spur" to force the refresh?

Are you saying that I need to set the contextKey to some value that is not in the cascading drop down list? NET controls. Copy and paste the following code into the WebServiceName. Copy and paste the following code under the code that you added in step 6.

Calling a Web service method from a script is asynchronous. To obtain a return value or to determine when the request has returned, you must provide a succeeded callback function. The callback function is invoked when the request has finished successfully, and it contains the return value from the Web Service Method call.

You can also provide a failed callback function to handle errors. Additionally, you can pass user context information to use in the callback functions. You can provide a single succeeded callback function that is invoked from multiple Web service method calls. To enable the function to differentiate different callers, you can pass the user context information to the function in the parameter.

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Javascript Menus Shadow. Padding and Spacing Specify various values for padding and spacing for the whole menu and for each separate submenu. Integration with popular web authoring software. Position Sub Menu.

Javascript Cascading Dropdown List Screenshots. Select first item in the submenu by clicking it and then enter text in the "Text" field on the Properties toolbox. You will see that, as you enter the text, the selected submenu's text will change too.