将DataSet导出到Excel文件中

#region 导出
  private void cmdExport_ServerClick(object sender, System.EventArgs e)
  {
   try
   {
    string DownloadPath=Server.MapPath("../DataFolder/FileExport");    //副本的文件夹路径。
    //副本的文件名。
    string TempFileName = DateTime.Now.ToString("yyyyMMdd") + DateTime.Now.Hour + DateTime.Now.Minute + DateTime.Now.Second + ".XLS";
    this.txtTempFileName.Text=TempFileName;
    object missing = System.Reflection.Missing.Value;
    object missing2 = System.Reflection.Missing.Value;
    Excel.Application myExcel=new Excel.Application();
  
    Excel.Workbook myBook=(Excel.Workbook)myExcel.Workbooks.Add(missing);
    Excel.Worksheet curSheet = (Excel.Worksheet)myBook.Sheets[1];
    //设置Excel样式
    Range r1=(Range)myExcel.Cells[1,2];
    
    Range r2=(Range)myExcel.Cells[3,4];
  
    //Range r10=(Range)myExcel.Cells[9,10];
    //r10.AutoOutline();
    //r10.FillLeft();

    r1.Font.Bold=true;
    r1.Font.Color=Information.RGB(0,255,0);
    r2.Font.Bold=true;
    

    string DownloadFilePath=DownloadPath+"//"+TempFileName;

    DataSet ds=this.GetDataSet();
    int rc=ds.Tables[0].Rows.Count;
    //绘制边框
    Range rBorders=(Range)curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[7+rc+1,10]);
    rBorders.Borders.LineStyle=1;
    curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[7+rc+1,1]).Borders[XlBordersIndex.xlEdgeLeft].Weight = XlBorderWeight.xlThick;//设置左边线加粗
    curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[7,10]).Borders[XlBordersIndex.xlEdgeTop].Weight = XlBorderWeight.xlThick;//设置设置上边线加粗
    curSheet.get_Range(myExcel.Cells[7+rc+1,1],myExcel.Cells[7+rc+1,10]).Borders[XlBordersIndex.xlEdgeBottom].Weight = XlBorderWeight.xlThick;//设置下边线加粗
    curSheet.get_Range(myExcel.Cells[7,10],myExcel.Cells[7+rc+1,10]).Borders[XlBordersIndex.xlEdgeRight].Weight = XlBorderWeight.xlThick;//设置右边线加粗

 

    //Excel的表头信息
    myExcel.Cells[1,2]=this.lblExcelHead.Text;
   
    myExcel.Cells[2,2]="New Added:" + DateTime.Now.ToString();
    myExcel.Cells[3,4]="VENDOR  CODE  LIST  -  BY  PRODUCTS.";
    myExcel.Cells[4,4]="****************************************";
   
    myExcel.Cells[5,9]="DATE From:" + this.txtCreateDate.Text;
    myExcel.Cells[6,9]="DATE To:" + this.txtDateNow.Text;

    myExcel.Cells[7,5]="PARTS SUPPLIER";

    //设置Excel表列头
    myExcel.Cells[8,1]="Item";
    myExcel.Cells[8,2]="OrgCode";
    myExcel.Cells[8,3]="VendorCode";
    myExcel.Cells[8,4]="VendorName";
    myExcel.Cells[8,5]="A";
    myExcel.Cells[8,6]="B";
    myExcel.Cells[8,7]="C";
    myExcel.Cells[8,8]="PayMentType";
    myExcel.Cells[8,9]="TermsCode";
    myExcel.Cells[8,10]="CreateTime";
    //设置表头字体风格
    curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[8,10]).Font.Bold=true;
    int j=1;//j为总结的Item数目的变量
    int i=9;
    while (i-8<=ds.Tables[0].Rows.Count)
    {
     myExcel.Cells[i,1]=j.ToString();
     myExcel.Cells[i,2]=ds.Tables[0].Rows[i-9]["OrgCode"].ToString().Trim();
     myExcel.Cells[i,3]=ds.Tables[0].Rows[i-9]["VendorCode"].ToString().Trim();
     myExcel.Cells[i,4]=ds.Tables[0].Rows[i-9]["VendorName"].ToString().Trim();
     myExcel.Cells[i,5]="";
     myExcel.Cells[i,6]="";
     myExcel.Cells[i,7]="";
     myExcel.Cells[i,8]=ds.Tables[0].Rows[i-9]["PayType"].ToString().Trim();
     myExcel.Cells[i,9]=ds.Tables[0].Rows[i-9]["TermsCode"].ToString().Trim();
     myExcel.Cells[i,10]=Convert.ToDateTime(ds.Tables[0].Rows[i-9]["CreateTime"].ToString()).ToShortDateString().Trim();
     if(Convert.ToDateTime(ds.Tables[0].Rows[i-9]["CreateTime"].ToString()).Month==Convert.ToDateTime(this.txtDateNow.Text).Month)
     {
      for(int qq=1;qq<=10;qq++)
      {
       Range r=(Range)myExcel.Cells[i,qq];
       r.Font.Color=Information.RGB(0,255,0);
       r=null;
      }     
     
     }
     //设置颜色，否则日期显示成"######"格式。
     Range rCol10=(Range)myExcel.Cells[i,10];
     rCol10.Font.Color=Information.RGB(0,0,0);
     rCol10=null;
     //从1开始循环
     j++;
     i++;
    }

    myBook.Saved=true;
    myBook.SaveAs(DownloadFilePath,missing2,"","",false,false,Excel.XlSaveAsAccessMode.xlNoChange,1,false,missing,missing);

    //myBook.PrintPreview(0);
    //myBook.PrintOut(missing,missing,missing,missing,missing,missing,missing,missing);
    myBook.Close(false, null,null);
    myExcel.Quit();
    System.Runtime.InteropServices.Marshal.ReleaseComObject(myBook);
    System.Runtime.InteropServices.Marshal.ReleaseComObject(myExcel);
    myBook = null;
    myExcel = null;
    GC.Collect();

    //Response.Redirect(DownloadFilePath);//下载文件
    try
    {
     BomUploadController BUC=new BomUploadController();
     BUC.KillProcess("Excel");
    }
    //错误信息的处理
    catch (BomUploadController.FileException ex)
    {
     string[] errCase=ex.ErrorString.Split("!".ToCharArray());      
     string script = "<Script language=javascript>";
     if(errCase[1].Trim()=="6")
     {
      script+="alert('" + errCase[0] + this.lblProcErr.Text.Trim()+ "');";
     }
     script += "</Script>";
       
     Page.RegisterStartupScript("fileException", script);
    }

    Session["OVSDownloadFilePath"]=DownloadFilePath;
    Session["OVSTempFileName"]=TempFileName;
  
    Response.Write("<Script language=/"javascript/">window.open(/"TempShow.aspx/",/"/",/"/");</Script>");
    this.BindWebGridColumn();
   }
   catch(Exception Ex)
   {
    throw Ex;
   }
   /*finally
   {
    BomUploadController BUC=new BomUploadController();
    BUC.KillProcess("Excel");
   }*/
  }
  #endregion

//TempShow.aspx.cs页面文件

public class TempShow : System.Web.UI.Page
 {
  private void Page_Load(object sender, System.EventArgs e)
  {
   // 在此处放置用户代码以初始化页面
   if(!this.IsPostBack)
   {
    try
    {
     string DownloadFilePath="";
     string TempFileName="";
     if(Session["OVSDownloadFilePath"]!=null && Session["OVSTempFileName"]!=null)
     {
      DownloadFilePat
8acc
h=Session["OVSDownloadFilePath"].ToString();
      TempFileName=Session["OVSTempFileName"].ToString();
     }
     else
     {
      Response.Write("<script>window.close();</script>");
      return;
     }   
     System.IO.FileInfo fleInfo = new System.IO.FileInfo(DownloadFilePath);
     Response.Clear();
     Response.Buffer=true;
     Response.Charset = "GB2312";
     Response.AddHeader("Content-Disposition","attachment; filename="+TempFileName.Trim()+"");
     //'------------------------------------------inline(在线打开)，attachment（下载）
     Response.AddHeader("Content-Length", fleInfo.Length.ToString());
     Response.ContentType = "application/ms-excel";
     Response.WriteFile(fleInfo.FullName);  
    
     Session.Remove("OVSDownloadFilePath");
     Session.Remove("OVSTempFileName");
     //Response.Write("<script>window.close();</script>");
     //Response.End();
    }
    catch(Exception Ex)
    {
     throw Ex;
    }
    finally
    {
     //Response.Write("<script>alert('haha');</script>");
     Response.Write("<Script>window.close();</Script>");
     Response.End();
    }

   }
  }