摘要： MultipleActiveResultSets=true;加上这句话可以定义两个com对象不会发生com冲突connection语句string strConnect = "Data Source=localhost;uid=sa;pwd=123456;Database=infor;Integrated Security = true;MultipleActiveResultSets=true;"; SqlConnection con = new SqlConnection(strConnect); if (con.State == ConnectionState.Cl. 阅读全文