ASP.NET - File Upload Control for image purpose

Asked By Manikandamoorthi N on 20-Feb-13 04:38 AM

hi friend...

i am using update panel... in one of my aspx page version is NET 2010

there is a file upload control in update panel which is used to upload company logo on server..

when i remove the update panel.. than file upload is working properly..

but when i again place an update panel then file upload control is not working and its giving me error.. in like

If String.IsNullOrEmpty(fldLogo.PostedFile.FileName.ToString) Then           

as object reference not set to an instance of an object...

can any body help me ?

any idea ??