public static void CreateFile(FileItem f)
{
f.insert();
int count = FileItem.count("CategoryId=" + f.CategoryId);
FileCategory c = FileCategory.GetById(f.CategoryId);
c.DataCount = count;
c.update();
}
public static void DeleteFile(FileItem f)
{
int categoryId = f.CategoryId;
f.delete();
int count = FileItem.count("CategoryId=" + categoryId);
FileCategory c = FileCategory.GetById(categoryId);
c.DataCount = count;
c.update();
}