private void tmp()
        {
            double[] dou = new double[] { 1, 2, 3, 4, 5, 6 };
            DataTable dt = new DataTable();
            dt.Columns.Add("temp", System.Type.GetType("System.Double"));
            DataRow row;
            for (int i = 0; i < dou.Length; i++)
            {
                row = dt.NewRow();
                row["temp"] = dou[i];
                dt.Rows.Add(row);
            }
        }

------解决方案--------------------
 double[] dou = new double[] { 1, 2, 3, 4, 5, 6 };
           DataTable dt = new DataTable();
           dt.Columns.Add("id", typeof(double));
           dou.ToList().ForEach(t => dt.Rows.Add(t));