hello pls try this circumstances 1 >> check that if you have updatepanel then you have applied trigger on that one 2 >> check that your page load have !isnotpostback and if yes then in that file upload is not getting null this should be issues may be regards...:)

No Worries! Sort of a cross between Lawrence of Arabia and Dilbert.[^] -Or- A Dead ringer for Kate Winslett[^]