private void posting() { SessionDAO sess_dao = new SessionDAO(); string content = tb_post.Text; string publisher = sess_dao.login_name(); if (content.Trim() != string.Empty) { SqlConnection cn = new SqlConnection(constr); cn.Open(); string query = "insert into feeds(Publisher,Content, Time) values(@1,@2, @3)"; SqlCommand cmd = new SqlCommand(query, cn); cmd.Parameters.AddWithValue("@1", publisher); cmd.Parameters.AddWithValue("@2", content); cmd.Parameters.AddWithValue("@3", DateTime.Now); cmd.ExecuteNonQuery(); cn.Close(); tb_post.Text = ""; tb_post.Focus(); } load_feed(); }