asp.net access导入Excel

/// <summary>
/// 上传
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnUpload_Click(object sender, EventArgs e)
{
string dataUrl = "";
string message = WebUI.UpLoadFile(this.FileUpload1, "~/Excel/", out dataUrl);
if (dataUrl == "")
{
WebUI.Alert(message, this.Page);
}
else
{
WebUI.Alert("上传成功！", this.Page);
}
}

/// <summary>
/// 导入
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnAdd_Click(object sender, EventArgs e)
{
DataTable dt = ExcelToDataTable("/Excel/中文.xls", this.txtName.Text.Trim().ToString());

for (int i = 0; i < dt.Rows.Count; i++)
{
string mfr = dt.Rows[i]["制造商"].ToString();
string pNumber = dt.Rows[i]["产品编号"].ToString();
string contents = dt.Rows[i]["产品描述"].ToString();
string pName = dt.Rows[i]["产品名称"].ToString();
string standard = dt.Rows[i]["产品规格"].ToString();
string price = dt.Rows[i]["产品单价"].ToString();
int twoTypeId = Convert.ToInt32(dt.Rows[i]["二级标题ID"].ToString());
string twoTitle = dt.Rows[i]["二级标题名称"].ToString();
int oneTypeId = Convert.ToInt32(dt.Rows[i]["一级标题ID"].ToString());
string oneTitle = dt.Rows[i]["一级标题名称"].ToString();
int sn = Convert.ToInt32(dt.Rows[i]["顺序号"].ToString());
string sql = string.Format("insert into T_Product(Mfr,PNumber,pName,Contents,Standard,Price,TwoTypeId,TwoTitle,OneTypeId,OneTitle,SN) values('{0}','{1}','{2}','{3}','{4}','{5}',{6},'{7}',{8},'{9}',{10})"
, mfr, pNumber, pName, contents, standard, price, twoTypeId, twoTitle, oneTypeId, oneTitle, sn);

DBHelper.IDUCommand(sql);
}
WebUI.Alert("导入完成！", this.Page);
}

public static DataTable ExcelToDataTable(string strExcelFileName, string strSheetName)
{

//HDR和IMEX也一定要配合使用,IMEX=1应该是将所有的列全部视为文本,HDR:YES第一行作为列名，NO表示第一行不为列名

string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + urlconvertorlocal(strExcelFileName) + ";" + "Extended Properties='Excel 8.0;HDR=YES;IMEX=1';";

string strExcel = string.Format("select * from [{0}$]", strSheetName); //这是一种方法

//string strExcel = "select * from [sheet1$]";

DataSet ds = new DataSet();

OleDbDataAdapter adapter = new OleDbDataAdapter(strExcel, strConn);

adapter.Fill(ds, strSheetName);

return ds.Tables[strSheetName];

}

/// <summary>
/// 转换为绝对路径
/// </summary>
/// <param name="imagesurl1"></param>
/// <returns></returns>
private static string urlconvertorlocal(string imagesurl1)
{

string tmpRootDir = System.Web.HttpContext.Current.Server.MapPath(System.Web.HttpContext.Current.Request.ApplicationPath.ToString());//获取程序根目录

string imagesurl2 = tmpRootDir + imagesurl1.Replace(@"/", @"/"); //转换成绝对路径

return imagesurl2;

}