Creating parent-child relationships between RadWindows and passing data between them

Requirements
Telerik Product and Version	UI for ASP.NET AJAX, all versions
Supported Browsers and Platforms	All browsers and platforms supported by UI for ASP.NET AJAX
Components/Widgets used (JS frameworks, etc.)	RadWindow

PROJECT DESCRIPTION

This sample shows how you can create a parent-child relationship between multiple RadWindows. It is built on top of the Calling functions in windows help article and also uses a custom field in the RadWindow's client-side object to store a reference to the RadWindow that should be considered its parent.

A common script must be included on all pages that need to take part in this functionality because it offers the main functions that create the connections. Each page needs to define a function with a predefined name that will send and receive data so it can be reused by the common script.

The sample can be modified further to include more defensive programming to avoid errors or provide error handling; the scripts can be included in a common script your application already uses, etc.

This post helped me a lot!
But I also need to post data from the parent to the child without using it in the URL because the data is too large.
Do hou have a sample of that by any chance?

Hi Suzy,

There is no requirement that you should pass data through a querystring. You can store it in a custom field in the JavaScript object of the RadWIndow so you can retrieve it later: http://www.telerik.com/help/aspnet-ajax/window-programming-using-radwindow-as-dialog.html. Here is a basic example (based on the JScript.js file in the original post).

 

where I have left the creation of the  myCustomDataObjectInJS object to your business logic.

The article I linked creates the "argument" field, my example above creates "__data". What is the name of the field, depends on your preferences, but I would advise using some peculiar notation to be sure you will not override something internal. The two underscores I used above would do the trick.

Regards,

Marin Bratanov
Telerik

Hi Marin,

I have another problem after upgrading to telerik version UI for ASP.NET AJAX Q1 2015.

I get the following error on the add_show function :

Object doesn't support property or method 'add_show'

Do you know how to fix this?  Because this is already set live and now no window is showing, so it is urgent :-(

Kind regards

Suzy