/// <summary>
 /// Deprecated Method for adding a new object to the MessagesSandbox EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToMessagesSandbox(MessagesSandbox messagesSandbox)
 {
     base.AddObject("MessagesSandbox", messagesSandbox);
 }
 /// <summary>
 /// Create a new MessagesSandbox object.
 /// </summary>
 /// <param name="u_username">Initial value of the u_username property.</param>
 /// <param name="ms_message">Initial value of the ms_message property.</param>
 /// <param name="ms_count">Initial value of the ms_count property.</param>
 /// <param name="ms_datetime">Initial value of the ms_datetime property.</param>
 public static MessagesSandbox CreateMessagesSandbox(global::System.String u_username, global::System.String ms_message, global::System.Int32 ms_count, global::System.DateTime ms_datetime)
 {
     MessagesSandbox messagesSandbox = new MessagesSandbox();
     messagesSandbox.u_username = u_username;
     messagesSandbox.ms_message = ms_message;
     messagesSandbox.ms_count = ms_count;
     messagesSandbox.ms_datetime = ms_datetime;
     return messagesSandbox;
 }