YouaredevelopinganASP.NETWebpage.Youaddthefollowingmarkuptothepage.Youaddthefollowingcodesegmenttothecode-behind.Youneedtosavetheuploadedfileanddisplayamessagetotheuserthatindicatesthattheuploadeithersucceededorfailed.Whichtwoactionsshouldyouperform？（）A.Replaceline3withthefollowingcodesegment.if（FileUpload1.HasFile）B.Replaceline3withthefollowingcodesegment.if（FileUpload1.FileContent.Length0）C.Insertthefollowingcodesegmentatline6. FileUpload1.SaveAs（saveName）；D.Insertthefollowingcodesegmentatline6.FileUpload1.FileContent.CopyTo（newFileStream（saveName，FileMode.Open）；
YouaredevelopinganASP.NETWebpage.Youaddthefollowingmarkuptothepage.Youaddthefollowingcodesegmenttothecode-behind.Youneedtosavetheuploadedfileanddisplayamessagetotheuserthatindicatesthattheuploadeithersucceededorfailed.Whichtwoactionsshouldyouperform？（）
A.Replaceline3withthefollowingcodesegment.if（FileUpload1.HasFile）
B.Replaceline3withthefollowingcodesegment.if（FileUpload1.FileContent.Length>0）
C.Insertthefollowingcodesegmentatline6. FileUpload1.SaveAs（saveName）；
D.Insertthefollowingcodesegmentatline6.FileUpload1.FileContent.CopyTo（newFileStream（saveName，FileMode.Open）；
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