Question

在我当前的项目中，我使用System.IO.Stream将xml文件读入DataSet。

父节点NewDataSet内有超过100个子节点记录。我在下面附加了XML模式：

enter image description here

但是，当我对DataSet Tables进行计数时，它只返回1个表。

FileStream fileStream = new FileStream(sourceFilePath, FileMode.Open);

            try
            {
                dataSet.ReadXml(fileStream);
                if (dataSet.Tables.Count> 0)
                {
                    //dt = dataSet.Tables[0];
                    for (int i = 0; i < dataSet.Tables.Count; i++)
                    {
                        dataTable = dataSet.Tables[i];

                        if (dataTable != null)
                        {
                            SalesHeader salesHeader = new SalesHeader();
                            salesHeader.OutletCode = dataTable.Rows[i]["OutletCode"].ToString();
                            salesHeader.TransactionNo = dataTable.Rows[i]["TransactionNo"].ToString();
                            salesHeader.TransactionDate = Convert.ToDateTime(dataTable.Rows[i]["TransactionDate"]);
                            salesHeader.ShiftNo = Convert.ToInt16(dataTable.Rows[i]["ShiftNo"]);
                            salesHeader.TotalAmount = Convert.ToDecimal(dataTable.Rows[i]["TotalAmount"]);
                            salesHeader.TenderAmount = Convert.ToDecimal(dataTable.Rows[i]["TenderAmount"]);
                            salesHeader.ChangeAmount = Convert.ToDecimal(dataTable.Rows[i]["ChangeAmount"]);
                            salesHeader.TransactionStatus = Convert.ToInt16(dataTable.Rows[i]["TransactionStatus"]);
                            salesHeader.BusinessDate = Convert.ToDateTime(dataTable.Rows[i]["BusinessDate"]);
                        }
                    }                           
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                fileStream.Close();
            }

我认为它只是读取父节点而无法到达子节点。谁能告诉我如何解决这个问题？任何帮助将非常感谢！

Answer 1

我完全同意哈姆雷特，你的代码是有效的！您不应该遍历表，您应该迭代表中的行：

FileStream fileStream = new FileStream(sourceFilePath, FileMode.Open);

            try
            {
                List<SalesHeader> result = new List<SalesHeader>();
                dataSet.ReadXml(fileStream);
                if (dataSet.Tables.Count> 0)
                {
                    dataTable = dataSet.Tables[0];
                    if (dataTable != null)
                    {

                       for (int i = 0; i < dataTable.Rows.Count; i++)
                       {
                            SalesHeader salesHeader = new SalesHeader();
                            salesHeader.OutletCode = dataTable.Rows[i]["OutletCode"].ToString();
                            salesHeader.TransactionNo = dataTable.Rows[i]["TransactionNo"].ToString();
                            salesHeader.TransactionDate = Convert.ToDateTime(dataTable.Rows[i]["TransactionDate"]);
                            salesHeader.ShiftNo = Convert.ToInt16(dataTable.Rows[i]["ShiftNo"]);
                            salesHeader.TotalAmount = Convert.ToDecimal(dataTable.Rows[i]["TotalAmount"]);
                            salesHeader.TenderAmount = Convert.ToDecimal(dataTable.Rows[i]["TenderAmount"]);
                            salesHeader.ChangeAmount = Convert.ToDecimal(dataTable.Rows[i]["ChangeAmount"]);
                            salesHeader.TransactionStatus = Convert.ToInt16(dataTable.Rows[i]["TransactionStatus"]);
                            salesHeader.BusinessDate = Convert.ToDateTime(dataTable.Rows[i]["BusinessDate"]);
                            result.Add(saleshaeder);
                        }
                    }                           
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                fileStream.Close();
            }

如何读取XML文件的子节点？

1 个答案: