Save a Video File using Fileupload Conntrol in C#.net

try
        {
            UploadVideo obj = new UploadVideo();
            string filename = fuUploadVideo.FileName;
            string path = Server.MapPath("Uploads4");
            string strFinalFileName = Path.GetFileName(fuUploadVideo.FileName);
            long FileLength = fuUploadVideo.PostedFile.ContentLength;
            long uploadchunklimit;
            int SizeLimit = (int)FileLength;
            if (FileLength <= 1024)
            {
                uploadchunklimit = 1;
                SizeLimit = (int)FileLength;
            }
            else if (FileLength > 1024)
            {
                uploadchunklimit = FileLength / 1024;
                SizeLimit = 10;
            }
            else if (FileLength <= 10240 && FileLength > 1024)
            {
                uploadchunklimit = FileLength / 1024;
            }
            else
            {
                uploadchunklimit = FileLength / 1024;
            }

            long lngSize = (long)SizeLimit;
            lngSize = 1024 * 1024;
            string ext = Path.GetExtension(fuUploadVideo.PostedFile.FileName);
            
            fuUploadVideo.PostedFile.SaveAs(Server.MapPath("Uploads4\\" + filename));
            path = "Uploads4\\" + filename;
            SqlConnection con = new SqlConnection(str);
           
            cmd = new SqlCommand("Insert into electronicmedia(Video_Name,url) values(@Video,'" + path + "')", con);
            cmd.Parameters.AddWithValue("Video", TextBox2.Text);
            cmd.CommandType = CommandType.Text;
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
            lblinfo.Text = " uploaded successfully ";
        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }