In this case, since this is the very first time the key has been changed since the DNS root was initially signed in 2010, it is also a test of the rollover process.
The first impact is increased size of DNS messages containing the root keys.
Here Mudassar Ahmed Khan has explained how to display Progress Indicator Bar in ASP.
Net AJAX Control Toolkit Auto Complete Extender Control using loading GIF image when it makes call to the server to search the records and hide the image when the records are populated using Java Script.
The integrity of the DNS depends on a secure root key.You can set up a binding so that it updates whenever the text in a Text Box changes (rather than when the Text Box loses focus) by setting the Update Source Trigger property, like this: If you set Update Source Trigger to "Explicit" and then handled the Text Box's Preview Key Down event (looking for the Enter key) then you could achieve what you want, but it would require code-behind.Perhaps some sort of attached property (similar to my Enter Key Traversal property) woudld work for you.Here Mudassar Ahmed Khan has explained how to display loading animated GIF Image (loading progress indicator icon) inside the j Query Autocomplete Text Box when search is processed by j Query Autocomplete plugin.
This article also explains how to hide or remove the loading animated GIF Image (loading progress indicator icon) once the search is completed. Register Startup Script methods for registering Java Script code from server side do not work when AJAX Update Panel is used.
Here Mudassar Ahmed Khan has provided solution with an example and attached sample code for a much known problem these days i.e.