SqlDataReader转化为DataTable

 public static DataTable ConvertDataReaderToDataTable(SqlDataReader dataReader)
    {
        DataTable datatable = new DataTable("DataTable");
        DataTable schemaTable = dataReader.GetSchemaTable();
        //动态添加列
        try
        {

            foreach (DataRow myRow in schemaTable.Rows)
            {
                DataColumn myDataColumn = new DataColumn();
                myDataColumn.DataType = myRow["DataTypeName"].GetType();
                myDataColumn.ColumnName = myRow[0].ToString();
                datatable.Columns.Add(myDataColumn);
            }
            //添加数据
            while (dataReader.Read())
            {
                DataRow myDataRow = datatable.NewRow();
                for (int i = 0; i < schemaTable.Rows.Count; i++)
                {
                    myDataRow[i] = dataReader[i].ToString();
                }
                datatable.Rows.Add(myDataRow);
                myDataRow = null;
            }
            schemaTable = null;
            dataReader.Close();
            return datatable;
        }
        catch (Exception ex)
        {
            Error.Log(ex.ToString());
            throw new Exception("转换出错出错!", ex);
        }

    }