Thanks to let us know your question. We get your email also and it looks as below is your question.
Q: On Map mouse move we need to access a Inmemoryfeature layer in client side, so that we can able to display tool tip for Plotted Data.
Q: Accessing Inmemoryfeature layer in Client side. so that we can edit or modify those layers in client side.
A: Please refer the first question reply, you cannot find inmemory featurelayer so you cannot operate it. The solution should be you get all shapes from server side, then render them by OpenLayer’s API in client side, after you edit them then sent the result back to server side, it’s a little complex.
Q: So we want to execute all functionality with out Refreshing whole map.
A: Any operation related with server side will make the page refresh, the solution is use callback or your custom AJAX code to implement that. In the post 4893 the code shows how to implement that by callback. And in fact we have some client side API here, if your function is related to them, it won’t refresh map: Client API Documentation for Map Suite Web Edition