Hi All,
I am currently working on a three tier Web application
written by VB.NET for our company.

This project is in the user testing stage. However, the
application sometimes freeze and we cannot release it
unless this issue has been solved.

Here is how the application works:
<1>GUI send all the request to Middle tier;
<2> Middle tier then call Store procedure (Oracle is our
database) to retrieve data;
<3> Middle tier store data to a dataset and return either
a single dataset or a collection of datasets(arraylist) to
GUI;
<4> GUI store dataset or arraylist to a session variable
and the session variable will stay until user close the
browser.
<5> The arraylist or single dataset will be passed as
parameter back anf forth between the GUI and Middle tier.

I am wondering that is the dataset which stored in session
caused application freeze ?

Any help will be appreciated !

Nelson Xu