This line doesn't make much sense
obju.UserProfileImage =file1.SaveAs(path);
SaveAs saves the file to the given path, it doesn't return anything. The solution to your problem depends on what type UserProfileImage is. If it expects an Image then you might need to create a new Image from the file you've just saved
https://msdn.microsoft.com/en-us/library/system.drawing.image(v=vs.110).aspx[
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obju.UserProfileImage = Image.FromFile(path);
You haven't really posted enough information to give a certain answer.