We help IT Professionals succeed at work.
Get Started

Hanging on frm.show when the business object contains a collection w/ > 5000 objects

bmccleskey
bmccleskey asked
on
229 Views
Last Modified: 2010-04-23
The following roughly describes the sequence of events:

- mdi menu click event asks the business tier to populate an object

- parent business object calls the database and populates itself.  This includes a collection of 5000 child objects.  While debugging I can see that this successfully completes

- control returns to the MDI form where it Dims a windows form

- the windows form is successfully given a reference to the business object

- frm.Show is called

Execution in the debugger runs as expected until frm.show is called.  At this point execution hangs, CPU usage redlines, the form never appears, and I eventually stop the debugging (or, if I am running without the debugger, I must kill the program).  I can successfully load the form when I have only 1000 child objects.  Why would 5000 cause this failure... out-of-memory comes to mind, but why would it not fail while the 5000 objects are being created?  Furthermore, 5000 hardly feels like a "scary" number!

Thank you in advance for pointing me into the right direction to uncover my error!
Comment
Watch Question
Top Expert 2004
Commented:
This problem has been solved!
Unlock 1 Answer and 3 Comments.
See Answer
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE