While introducing a screenshot feature to one of our applications, we're experiencing unexpected behavior.
The screenshots are grabbed as a blob, client-side, converted to a base64 string, then saved in a RadListBox. We found that if greater than five base64 strings are saved in the RadListBox, the item count is zero, and triggers an error on our server side save functionality.
In most cases the limit of five works as expected, however, at times, even with the limit of five images (as base64 strings), the list box item count is zero.
Is there a size limit to the RadListBox? So far, the only explanation I can come up with is the list box control is overwhelmed with data and purges itself.
What else could cause this?