Missing List View Icons

I have created a search form so that I can search an access database for different items by different criteria.

For instance, you could search for employees by an agents name, and all the matches appear in the list view. The list view contains information such as name, address etc.

If you are searching for employees, an icon representing an employee appears in the list view. If you are searching for an agent, an agent icon appears in the list view etc.

The first time I do a search, all of the matches have corresponding icons, but subsequent times I do a search only the last few matches have a corresponding icon.

Any ideas why some of the matches don't display the icons?

Do you actually have those icons in the ImageList or you're talking about the program that is missing those Icons?

The icons are in an image list. They are displayed for only some of my search results. For instance my search results may be 100 different employees, each of which should have an icon displayed at the start of the line, but only the last 3 or 4 have an icon displayed after the second time I have run a search.