我有一个充满数据的excel文件,我正尝试使用 Open XML SDK 将此文件转换为xml文件。
我在这里关注了关于堆栈溢出的文档和其他问题。但是,xml文件的输出始终为<NewDataSet />
。知道我尝试了其他excel文件,效果很好。
这是我的代码“我尝试了两种方法”:
第一种方法是使用DataSet.GetXML()
,它返回与下一个代码相同的值。
var xmlDS = new ConvertExcelToXml().GetXML(filePath);
string xmlPath = server.MapPath("~/UploadedFiles/XML/");
StreamWriter xmlFile = new StreamWriter(xmlPath + Path.GetFileNameWithoutExtension(fileName) + ".xml");
xmlDS.WriteXml(xmlFile);
//The used method to return the excel file dataset
public DataSet GetXML(string filename)
{
using (DataSet ds = new DataSet())
{
ds.Tables.Add(this.ReadExcelFile(filename));
return ds;
}
}
//This method used to return DataTable for previous method
private DataTable ReadExcelFile(string filename)
{
DataTable dt = new DataTable();
try
{
using (SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Open(filename, false))
{
WorkbookPart workbookPart = spreadsheetDocument.WorkbookPart;
IEnumerable<Sheet> sheetcollection = spreadsheetDocument.WorkbookPart.Workbook.GetFirstChild<Sheets>().Elements<Sheet>();
string relationshipId = sheetcollection.First().Id.Value;
WorksheetPart worksheetPart = (WorksheetPart)spreadsheetDocument.WorkbookPart.GetPartById(relationshipId);
SheetData sheetData = worksheetPart.Worksheet.Elements<SheetData>().First();
IEnumerable<Row> rowcollection = sheetData.Descendants<Row>();
if (rowcollection.Count() == 0)
{
return dt;
}
foreach (Cell cell in rowcollection.ElementAt(0))
{
dt.Columns.Add(GetValueOfCell(spreadsheetDocument, cell));
}
foreach (Row row in rowcollection)
{
DataRow temprow = dt.NewRow();
int columnIndex = 0;
foreach (Cell cell in row.Descendants<Cell>())
{
int cellColumnIndex = GetColumnIndex(GetColumnName(cell.CellReference));
if (columnIndex < cellColumnIndex)
{
do
{
temprow[columnIndex] = string.Empty;
columnIndex++;
}
while (columnIndex < cellColumnIndex);
}
temprow[columnIndex] = GetValueOfCell(spreadsheetDocument, cell);
columnIndex++;
}
dt.Rows.Add(temprow);
}
}
dt.Rows.RemoveAt(0);
return dt;
}
catch (IOException ex)
{
throw new IOException(ex.Message);
}
}