2.0.1npoi的dll文件下载:NPOI2.0.1.zip
public static void test1()
{
NpoiHelper np = new NpoiHelper();
DataTable dt1 = np.ReadExcel(AppDomain.CurrentDomain.BaseDirectory + "1测试数据.xls", 2).Tables[0];//读2003格式数据
DataSet ds1 = new DataSet();
ds1.Tables.Add(dt1.Copy());
ds1.AcceptChanges();
string SaveFileName = "output1.xls";
np.CreateExcel2003(SaveFileName, "sheet001", ds1, 0);//写2003格式数据