xml - 从 Windows CE 写入 SD 卡失败？

Question

我正在使用 Windows-CE 将 XML 文件写入 SD 卡Dataset.WriteXML()。大多数情况下它都能正确通过，但有时我会遇到错误：

    Error Time:7/25/12 1:17:07 PM Message:  Details:
System.IO.IOException: IOException
   at System.IO.__Error.WinIOError(Int32 errorCode, String str)
   at System.IO.FileStream.WriteCore(Byte[] buffer, Int32 offset, Int32 count)
   at System.IO.FileStream.Write(Byte[] array, Int32 offset, Int32 count)
   at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder)
   at System.IO.StreamWriter.Write(Char value)
   at System.Xml.XmlTextWriter.InternalWriteEndElement(Boolean longFormat)
   at System.Xml.XmlTextWriter.WriteEndElement()
   at System.Data.DataTextWriter.WriteEndElement()
   at System.Data.XmlDataTreeWriter.XmlDataRowWriter(DataRow row, String    encodedTableName)
   at System.Data.XmlDataTreeWriter.Save(XmlWriter xw, Boolean writeSchema)
   at System.Data.DataSet.WriteXml(String fileName, XmlWriteMode mode)