C# 我用SQL在几张table里面抓了一些数据放到EXCLE模板里，通过判断栏位的值加底色

我用SQL在几张table里面抓了一些数据放到EXCLE里，现在表里面有CBRS_REQUIRED这个列，通过判断CBRS_REQUIRED这个列里面的值是否是‘yes’,如果是‘yes‘的话则给yes的这一行底色改成红色。我现在只能给excel所有的行都加上红色底色，希望大家帮我加上这个判断。谢谢，下面是代码，底色我写在最后。

using System;
using System.Text;
using System.IO;
using NPOI.HSSF.UserModel;
using NPOI.HPSF;
using NPOI.POIFS.FileSystem;
using NPOI.HSSF.Util;
using NPOI.SS.UserModel;
using System.Data;
using System.Data.OleDb;
using Microsoft.Win32;

namespace NPOIExcel
{
class NPOIExcelwork
{
static HSSFWorkbook hssfworkbook;
static OleDbConnection oleCon;
static ICellStyle cellStyle;

    public void excelwork()
    {

        //正式环境
        string Maskfile = @"D:\SRC_CODE\Release_List.xls";
        string time = DateTime.Now.ToString("yyyyMMdd");
        string ReportFile = @"D:\EBAUTOSEND\Release_List" + time + ".xls";
        #region//取得模板
        if (File.Exists(Maskfile) == true)
        {
            FileStream file = new FileStream(Maskfile, FileMode.Open, FileAccess.Read);
            hssfworkbook = new HSSFWorkbook(file);
            file.Close();

            cellStyle = hssfworkbook.CreateCellStyle();




        }
        else
        {
            return;
        }
        #endregion


        #region//建立Sheet，可以多个
        ISheet sheet = hssfworkbook.GetSheetAt(0);//建立Sheet
        sheet.ForceFormulaRecalculation = true;//保持Sheet公式
        #endregion

        #region//填值部分
        DataTable DT = DB();
        if (DT.Rows.Count > 0)
        {
            for (int i = 0; i < DT.Rows.Count; i++)
            {
                sheet.CreateRow(i + 1);
                for (int j = 0; j < DT.Columns.Count; j++)
                {
                    judge(DT.Rows[i][j], i + 1, j, sheet);
                }
            }
            DT.Dispose();
        }
        else
        {
            return;
        }
        #endregion

        #region//文件输出
        try
        {
            FileStream FileTo = new FileStream(ReportFile, FileMode.Create);
            hssfworkbook.Write(FileTo);
            FileTo.Close();
        }
        catch
        {
            return;
        }
        #endregion

    }
    #region//取得数据库资料
    ##
= @"sql语句";
        try
        {
            OleDbDataAdapter Oda = new OleDbDataAdapter(SQL, oleCon);
            DataTable tab = new DataTable("TB");
            Oda.Fill(tab);
            Oda.Dispose();
            oleCon.Dispose();
            return tab;
        }
        catch
        {
            return new DataTable();
        }
    }
    #endregion

    #region//放入值，行数，列数，Sheet对象
    static void judge(object DT, int i, int j, ISheet sheet1)
    {
        switch (DT.GetType().ToString())
        {
            //case "System.Decimal":
            //    Double value = 0;
            //    Double.TryParse(DT.ToString(), out value);
            //    sheet1.GetRow(i).CreateCell(j).SetCellValue(value);
            //    break;
            //case "System.DateTime":
            //    DateTime TM;
            //    DateTime.TryParse(DT.ToString(), out TM);
            //    sheet1.GetRow(i).CreateCell(j).SetCellValue(TM);
            //    break;
            //case "System.Double":
            //    sheet1.GetRow(i).CreateCell(j).SetCellValue(Double.Parse(DT.ToString()));
            //    break;
            default:

                ICell cell = sheet1.GetRow(i).CreateCell(j);                    
                cell.SetCellValue(DT.ToString());
                cellStyle = cell.CellStyle as HSSFCellStyle;
                cellStyle.FillForegroundColor = HSSFColor.Red.Index;
                cellStyle.FillPattern = FillPattern.SolidForeground;



                cell.CellStyle = cellStyle;
                break;
        }
    }



    #endregion

}

}

#define delay_nm() _delay_cycles(10000);//延迟1s
uchar table[]={"hell0"};//输入你想要显示的字符
uchar data;
//void _delay_1us(void);
//void _delay_nus(uint n);
//void _delay_ms(void);
//void _delay_nms(uint n);
//uint busy_1602(void);
void write_com(uchar com);
void write_data(uchar dat);
void LCD_set_xy( uchar x, uint y );
void LCD_write_string(uchar X,uchar Y,uchar s);
void init();//初始化函数
//void LCD_display();
/*LCD数据///P2.3e P2.4 RW P2.5RS
//p1.4---p1.7接数据位
void main()
{
WDTCTL=WDTPW+WDTHOLD;//关看门狗
DCOCTL=0;
BCSCTL1=CALBC1_1MHZ;
DCOCTL=CALDCO_1MHZ;
BCSCTL2|=SELM_1;//MCLK选择DCOCLK
BCSCTL2|=0X00;//SMCLK选择DCOLCK
P1SEL&=0x00;
P2SEL&=0x00;
P1DIR|=0xff;//选择P1为输出端
P2DIR|=0xff;//P2为输出端
init();
delay_nm();
LCD_write_string(0,0,table);
delay_nm();
while(1);
}
void _delay_1us(void)
{
asm("nop");
}
void _delay_nus(uint n)
{
int i;
for(i=0;i<n;i++)
_delay_1us();
}