/// <summary>
 /// Deprecated Method for adding a new object to the ChatUsers EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToChatUsers(ChatUsers chatUsers)
 {
     base.AddObject("ChatUsers", chatUsers);
 }
 /// <summary>
 /// Create a new ChatUsers object.
 /// </summary>
 /// <param name="cu_id">Initial value of the cu_id property.</param>
 /// <param name="cu_username">Initial value of the cu_username property.</param>
 /// <param name="cu_begintime">Initial value of the cu_begintime property.</param>
 /// <param name="cu_lastactive">Initial value of the cu_lastactive property.</param>
 public static ChatUsers CreateChatUsers(global::System.Int32 cu_id, global::System.String cu_username, global::System.DateTime cu_begintime, global::System.DateTime cu_lastactive)
 {
     ChatUsers chatUsers = new ChatUsers();
     chatUsers.cu_id = cu_id;
     chatUsers.cu_username = cu_username;
     chatUsers.cu_begintime = cu_begintime;
     chatUsers.cu_lastactive = cu_lastactive;
     return chatUsers;
 }