public void AddClipping(Accounting accounting, string userName, string clipping)
 {
     using (DocumentsDataContext dc = new DocumentsDataContext())
     {
         var acc = dc.Accountings.FirstOrDefault(a => a.Id == accounting.Id);
         acc.Clipping = clipping;
         acc.UserName = userName;
         dc.SubmitChanges();
     }
 }
 public int AddContent(string userName, string content)
 {
     Accounting acc = null;
     using (DocumentsDataContext dc = new DocumentsDataContext())
     {
         acc = new Accounting
         {
             UserName = userName,
             Content = content
         };
         dc.Accountings.InsertOnSubmit(acc);
         dc.SubmitChanges();
     }
     return acc.Id;
 }
 partial void UpdateAccounting(Accounting instance);
 partial void DeleteAccounting(Accounting instance);
 partial void InsertAccounting(Accounting instance);