2014-06-16 26 views
0

,當我嘗試將數據在劍道UI電網Excel導出我有奇怪的問題無效字符.....錯誤而導出到Excel數據:「」,十六進制值0x07的,是用C#

錯誤:

An exception of type 'System.ArgumentException' occurred in System.Xml.dll but was not handled in user code 

Additional information: ' ', hexadecimal value 0x07, is an invalid character. 

,我被用於導出到Excel

private static void WriteDataTableToExcelWorksheet(DataTable dt, WorksheetPart worksheetPart) 
    { 
     OpenXmlWriter writer = OpenXmlWriter.Create(worksheetPart); 
     writer.WriteStartElement(new Worksheet()); 
     writer.WriteStartElement(new SheetData()); 

     string cellValue = ""; 

     int numberOfColumns = dt.Columns.Count; 
     bool[] IsNumericColumn = new bool[numberOfColumns]; 

     string[] excelColumnNames = new string[numberOfColumns]; 
     for (int n = 0; n < numberOfColumns; n++) 
      excelColumnNames[n] = GetExcelColumnName(n); 

     uint rowIndex = 1; 

     writer.WriteStartElement(new Row { RowIndex = rowIndex }); 
     for (int colInx = 0; colInx < numberOfColumns; colInx++) 
     { 
      DataColumn col = dt.Columns[colInx]; 
      AppendTextCell(excelColumnNames[colInx] + "1", col.ColumnName, ref writer); 
      IsNumericColumn[colInx] = (col.DataType.FullName == "System.Decimal") || (col.DataType.FullName == "System.Int32") || (col.DataType.FullName == "System.Double") || (col.DataType.FullName == "System.Single"); 
     } 
     writer.WriteEndElement(); 

     double cellNumericValue = 0; 
     foreach (DataRow dr in dt.Rows) 
     { 

      ++rowIndex; 

      writer.WriteStartElement(new Row { RowIndex = rowIndex }); 

      for (int colInx = 0; colInx < numberOfColumns; colInx++) 
      { 
       cellValue = dr.ItemArray[colInx].ToString(); 

       if (IsNumericColumn[colInx]) 
       { 

        cellNumericValue = 0; 
        if (double.TryParse(cellValue, out cellNumericValue)) 
        { 
         cellValue = cellNumericValue.ToString(); 
         AppendNumericCell(excelColumnNames[colInx] + rowIndex.ToString(), cellValue, ref writer); 
        } 
       } 
       else 
       { 

        AppendTextCell(excelColumnNames[colInx] + rowIndex.ToString(), cellValue, ref writer); 
       } 
      } 
      writer.WriteEndElement(); 
     } 
     writer.WriteEndElement(); 
     writer.WriteEndElement(); 

     writer.Close(); 
    } 

    private static void AppendTextCell(string cellReference, string cellStringValue, ref OpenXmlWriter writer) 
    { 

     writer.WriteElement(new Cell { CellValue = new CellValue(cellStringValue), CellReference = cellReference, DataType = CellValues.String }); 
    } 

在下文提到的方法我正在上面excepti下面的方法在錯誤..

private static void AppendTextCell(string cellReference, string cellStringValue, ref OpenXmlWriter writer) 
    {   
     writer.WriteElement(new Cell { CellValue = new CellValue(cellStringValue), CellReference = cellReference, DataType = CellValues.String }); 
    } 

會不會有人請就如何在導出到Excel中的數據克服這一錯誤幫助....

提前很多感謝..

+0

您應該使用'>'來設置錯誤的格式並讓您的代碼左對齊。 – paqogomez

+0

也許你需要使用CellValues.InlineString中描述的http://stackoverflow.com/questions/6468783/what-is-the-difference-between-cellvalues-inlinestring-and-cellvalues-string-in –

+0

@MikeHixson抱歉inline字符串也是我越來越同樣的問題.... –

回答

2

XML可以處理幾乎任何字符,但有範圍,控制代碼等,它不會。

最好的辦法是,如果你無法讓他們修復他們的輸出結果,那麼就要對你收到的原始數據進行清理。您需要用您記下的字符引用格式替換非法字符。

有很多不能在xml代碼中的符號。對於替換它們,我們可以使用Reqex.Replace

static string ReplaceHexadecimalSymbols(string txt) 
{ 
    string r = "[\x00-\x08\x0B\x0C\x0E-\x1F\x26]"; 
    return Regex.Replace(txt, r,"",RegexOptions.Compiled); 
} 
+0

嗯,謝謝..我需要在我的代碼中使用這個替換 –

+0

調用這個函數,你寫數據的excel來替換你想插入到Excel中的字符串。 –

+0

像這樣........ cellValue = ReplaceHexadecimalSymbols(dr.ItemArray [colInx] .ToString()) –

0

X26是符號「&」字 - 這可以用「&」進行編碼,使得它出現在你的Excel工作表。

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