private void CheckUserImage()
        {
            //checkdatabase for record
            //if not exist, create img folder & thumb folder
            var dr = new ProviderDAC().RetrieveUserImageInformation(ProviderID);

            if (dr == null)
            {
                ProviderDAC dac = new ProviderDAC();
                ProviderEDSC.UserImageDTRow userImage = new ProviderEDSC.UserImageDTDataTable().NewUserImageDTRow();
                userImage.UserID      = ProviderID;
                userImage.StorageUsed = userImage.ImageAmount = 0;
                userImage.FreeStorage = SystemConstants.MaxUserImageStorage;

                int userImageID = 0;
                dac.CreateUserImageInformation(userImage, out userImageID);
            }
        }