>Sergey,
>Yes the form is acting as a modeless form. code execution doesn't stop. therefore I have no chance of selecting a product from my list. I'll try it with the private variable, but I don't think the variable is the issue. Thanks for the suggestion.
>
Hi David,

The variable isn't issue. Something else is going on inside your form. I would suggest that you trace code execution in the debugger to see why form became modless.
BTW, does it behaves the same way if you run it from command window?