obout inc - Free AJAXPage - CallbackViewState example

CallbackViewState Example

Example 1

The ViewState is persistent on callbacks.

Add a new contact to the contacts list.
The contacts list is stored in ViewState object.

Add New Contact

Name:
Phone:
Email:

My Contacts List

Clear Contacts List

Make dummy postback to the server.

The ViewState object is empty after reloading the page. Reload

See also EnableCallbackViewState property.

Example 2

Increase the value of ViewState variable using a callback. Make a real postback to the server. You will see the ViewState variable value, updated according to the last callback. ViewState value = 1 See also EnableCallbackViewState property.

Please visit HOW-TO and Help page for any questions.

"Quality of products and support you guys provide is matchless. I’m very pleased with the service you guys provide and I want you to know that I’ll make sure all my programmer friends will know about your first-class company. "

Ion Despoiu

CB Mills, Division of Chicago Boiler