public void UpdateChatGroupMessageReceiverUser(ChatGroupMessageReceiverUser chatGroupMessageReceiverUser)
{
var oldModel = ChatGroupMessageReceiverUsers.FirstOrDefault(p => p.ID.Equals(chatGroupMessageReceiverUser.ID));
ChatGroupMessageReceiverUsers.Remove(oldModel);
ChatGroupMessageReceiverUsers.Add(chatGroupMessageReceiverUser);
}
public void AddChatGroupMessageReceiverUser(ChatGroupMessageReceiverUser chatGroupMessageReceiverUser)
{
ChatGroupMessageReceiverUsers.Add(chatGroupMessageReceiverUser);
}
