求助：关于ASP.NET读取excel文件

Question

各位大侠：
　　我想用dreamwear＋asp.net做一个网站，涉及到在网页上读取，修改excel表格内容，不知道哪们有没有这方面的资料啊要，相关源码最好。

Answer 1

http://community.csdn.net/Expert/topic/5196/5196093.xml?temp=.1549494

Answer 2

这种直接读取单元格的方法释放很重要。不然会锁进程   Excel.Application excel = null;
   Excel.Workbooks wbs = null;
   Excel.Workbook wb = null;
   Excel.Worksheet ws = null;
   Excel.Range range1 = null;
   object Nothing = System.Reflection.Missing.Value;
     
   try
   {
    excel = new Excel.Application();
    excel.UserControl = true;
    excel.DisplayAlerts = false;
                     
    excel.Application.Workbooks.Open(this.FilePath,Nothing,Nothing,Nothing,Nothing,Nothing,Nothing,Nothing,Nothing,Nothing,Nothing,Nothing,Nothing ) ;
     
    wbs = excel.Workbooks;
    wb = wbs[1];
    ws = (Excel.Worksheet)wb.Worksheets["Sheet2"];
     
          
    int rowCount = ws.UsedRange.Rows.Count;
    int colCount = ws.UsedRange.Columns.Count;
    if (rowCount <= 0)
     throw new InvalidFormatException("文件中没有数据记录");
    if (colCount < 4 ) 
     throw new InvalidFormatException("字段个数不对");
     
    for (int i = 0;i    {     this.rowNo = i + 1;
     object[] row = new object[4];
     for (int j = 0;j<4;j++)
     {
      range1 = ws.get_Range(ws.Cells[i+2,j+1],ws.Cells[i+2,j+1]);
      row[j] = range1.Value;      if (row[0] == null)
      {
       this.isNullRecord++;
       break;
      }
     }
                    
     if (this.isNullRecord > 0)
      continue;     DataRow dataRow = this.readExcel(row);     if (this.isNullRecord == 1)
      continue;
   
     if (this.verifyData(dataRow) == false)
      errFlag++;
   
     this.updateTableCurr(dataRow);
    }
     
   }
   finally
   {
    if (excel != null)
    {
     if (wbs != null)
     {
      if (wb != null)
      {
       if (ws != null)
       {
        if (range1 != null)
        {
         System.Runtime.InteropServices.Marshal.ReleaseComObject(range1);
         range1 = null;
        }
        System.Runtime.InteropServices.Marshal.ReleaseComObject(ws);
        ws = null;
       }
       wb.Close(false,Nothing,Nothing);  
       System.Runtime.InteropServices.Marshal.ReleaseComObject(wb);
       wb = null;
      }
      wbs.Close();
      System.Runtime.InteropServices.Marshal.ReleaseComObject(wbs);
      wbs = null;
     }
     excel.Application.Workbooks.Close();
     excel.Quit();
     System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);
     excel = null;
     GC.Collect();
    }
   }