求助!!怎么我添加了Configuration引用 调试还是说没有啊~~
行 17: this.Label1.Text = Application["Counter"].ToString();行 18: string cmdtxt2 = "select * from tb_Month";
行 19: SqlConnection con = new SqlConnection(ConfigurationMannger.AppSettings["ConSql"]);
行 20: con.Open();
行 21: SqlDataAdapter da = new SqlDataAdapter(cmdtxt2, con);