public bool Add(clsClient client)
 {
     if (Exist(client.MyClient.Id) == false)
     {
         myClientList.Add(client.MyClient.Id, client);
         return(true);
     }
     else
     {
         return(false);
     }
 }
 public clsClient Update(string stringId, clsClient client)
 {
     return(myClientList[stringId] = client);
 }