C# 導excel及 格式控制

 private void doExport(DataSet ds1,string[] str)
    {
        System.Reflection.Missing oMissing = System.Reflection.Missing.Value;
        _Application xlApp = null;
        _Workbook xlWorkbook = null;
        _Worksheet xlWorksheet = null;
        try
        {
            xlApp = new ApplicationClass();
            xlApp.Visible = true;
            xlWorkbook = xlApp.Workbooks.Add(oMissing);
            xlWorksheet = xlWorkbook.Worksheets.Add(oMissing, oMissing, 1, oMissing) as _Worksheet;
            xlWorksheet.Name = "福州市盲人按摩單位信息";
            Excel.Range r;
            r = xlWorksheet.get_Range(xlWorksheet.Cells[1, 1], xlWorksheet.Cells[1, 7]); //取得合併的區域
            xlWorksheet.get_Range(xlWorksheet.Cells[1, 1], xlWorksheet.Cells[1, 7]).Font.Size = 20;
            xlWorksheet.get_Range(xlWorksheet.Cells[1, 1], xlWorksheet.Cells[1, 7]).RowHeight = 45;
            xlWorksheet.get_Range(xlWorksheet.Cells[2, 1], xlWorksheet.Cells[2, 1]).ColumnWidth = 5;
            xlWorksheet.get_Range(xlWorksheet.Cells[2, 3], xlWorksheet.Cells[2, 3]).ColumnWidth = 33;
            xlWorksheet.get_Range(xlWorksheet.Cells[2, 6], xlWorksheet.Cells[2, 6]).ColumnWidth = 15;
            xlWorksheet.get_Range(xlWorksheet.Cells[2, 7], xlWorksheet.Cells[2, 7]).ColumnWidth = 50;
            r.MergeCells = true;
            r.HorizontalAlignment = Excel.Constants.xlCenter;
            xlWorksheet.Cells[1, 1] = "福州市盲人按摩單位信息";
            xlWorksheet.Cells[2, 1] = "ID";
            xlWorksheet.Cells[2, 2] = "單位編號";
            xlWorksheet.Cells[2, 3] = "單位名稱";
            xlWorksheet.Cells[2, 4] = "單位類型";
            xlWorksheet.Cells[2, 5] = "負責人";
            xlWorksheet.Cells[2, 6] = "聯繫電話";
            xlWorksheet.Cells[2, 7] = "聯繫地址";
           
            for (int i = 0; i < ds1.Tables[0].Rows.Count; i++)
            {
                xlWorksheet.Cells[i + 3, 1] = i+1;
                xlWorksheet.Cells[i + 3, 2] = ds1.Tables[0].Rows[i][1].ToString();
                xlWorksheet.Cells[i + 3, 3] = ds1.Tables[0].Rows[i][2].ToString();
                xlWorksheet.Cells[i + 3, 4] = ds1.Tables[0].Rows[i][3].ToString();
                xlWorksheet.Cells[i + 3, 5] = ds1.Tables[0].Rows[i][4].ToString();
                xlWorksheet.Cells[i + 3, 6] = ds1.Tables[0].Rows[i][5].ToString();
                xlWorksheet.Cells[i + 3, 7] = ds1.Tables[0].Rows[i][6].ToString();
           
            }
            xlWorkbook.SaveAs(Hiddenfield1.Value, oMissing, oMissing, oMissing, oMissing,
                oMissing, Excel.XlSaveAsAccessMode.xlShared, oMissing, oMissing, oMissing,
                oMissing, oMissing);
            xlApp.Quit();
        }
        catch
        {
        }

        finally
        {
            System.Runtime.InteropServices.Marshal.ReleaseComObject(xlApp);
            xlApp = null;
            GC.Collect();
        }
    }

 

格式控制

 

xSt.get_Range(excel.Cells[1,1],excel.Cells[1,1]).HorizontalAlignment   =   Excel.XlHAlign.xlHAlignCenter;//對齊方式  
      xSt.get_Range(excel.Cells[1,1],excel.Cells[1,1]).Select();//設置選中的部分的顏色  
      xSt.get_Range(excel.Cells[1,1],excel.Cells[1,1]).Interior.ColorIndex   =   19;//設置爲淺黃色，共計有56種  
      xSt.get_Range(excel.Cells[1,1],excel.Cells[1,1]).Font.Bold   =   true;//字體類型  
      xSt.get_Range(excel.Cells[1,1],excel.Cells[1,1]).Font.Size   =   22;//字體大小  
   
      xSt.get_Range("a1","a1").ColumnWidth   =   20;//列寬度  
      object   oo   =   false;  
      xSt.get_Range("A1","B1").Merge(oo);//合併單元格