public void SignOut(User user)
{
SqlParameter p1 = new SqlParameter("UserName", user.UserName);
SqlParameter p2 = new SqlParameter("Password", user.Password);
sqlHelper.ExecuteProc("SignOut", p1, p2);
}
public void InsertMessage(Message msg)
{
SqlParameter p1 = new SqlParameter("Message", msg.Content);
SqlParameter p2 = new SqlParameter("Date", msg.SendDate);
SqlParameter p3 = new SqlParameter("SenderUser", msg.User.UserName);
SqlParameter p4 = new SqlParameter("ReceiverUser", msg.ReciverUsers);
sql.ExecuteProc("SendingMessage", p1, p2, p3, p4);
}