regarding videos

 can anyone tell me the solution for videos....
playing the videos both local and server...my code is working locally....but not working when i hosted in server....here is my code
 
VideoFileName = ObjDA.GetScalarValues(TblType, "video", "UserName='" + UName + "'");

            string DirName = AppDomain.CurrentDomain.BaseDirectory + @"UserVideos\" + UName;

            if (File.Exists(DirName + @"\" + VideoFileName))
                //this.ltrVideoOrMontage.Text = GetWmaObject(DirName + @"\" + VideoFileName, true);
                Media_Player_Control1.MovieURL = DirName + @"\" + VideoFileNa ...