asp.net导入的excel文件到数据库

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.OleDb;
using System.Collections;
using System.Data.SqlClient;
using Budget.DBUtility;

namespace Budget.Web.Admin.RMBase.SysUser
{
    public partial class ceshi : System.Web.UI.Page
    {
        SqlConnection sqlcon;
        SqlCommand sqlcom;
        string strCon = "MyOfficeConnectionString";

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
              //  bind();
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            if (Fileupload1.HasFile)
            {
                //获取文件路径
                //string path =  Fileupload1.PostedFile.FileName;

                string path = HttpContext.Current.Request.MapPath("../upload/预算管理系统用户模板.xlsx");
                //获取文件名
                string FileName = Fileupload1.FileName;
                //根据文件结尾名判断文件格式
                if (FileName.ToLower().Substring(FileName.Length - 3) != "xls" && FileName.ToLower().Substring(FileName.Length - 4) != "xlsx")
                {
                    Response.Write("<script type=‘text/JavaScript‘>alert(‘请选择Excel文件！‘)</script>");
                    return;
                }
                //获取Excel的数据datatable
                DataTable dt = GetTable(path, FileName);

                using (SqlConnection conn = new SqlConnection("server=192.168.29.59;database=ExpenseBudget4.0Test;uid=sa;pwd=123;"))
                {
                    conn.Open();
                    SqlTransaction sqlTransaction = conn.BeginTransaction();
                    //   将事务应用于Command
                    SqlCommand sqlCommand = new SqlCommand();
                    sqlCommand.Connection = conn;
                    sqlCommand.Transaction = sqlTransaction;
                    try
                    {
                        foreach (DataRow row in dt.Rows)
                        {
                            string user_id = Guid.NewGuid().ToString().ToLower();
                            string user_code = row["工号"].ToString();
                            string user_name = row["姓名"].ToString();
                            string shouji = row["手机号/电话"].ToString();
                            string User_Account = row["登录ID"].ToString();

                           string sql= string.Format("insert into Base_UserInfo(User_ID,User_Code,User_Name,User_Account) values(‘{0}‘,‘{1}‘,‘{2}‘,‘{3}‘)", user_id, user_code, user_name, User_Account);//sql数据库
                            int a = new SqlServerHelper().RunSqlGetRowCount(sql);

                            sqlCommand.CommandText = string.Format("insert into Base_AppendPropertyInstance(PropertyInstance_ID,PropertyInstance_Key,Property_Control_ID,PropertyInstance_Value) values(NEWID(),‘{0}‘,‘{1}‘,‘{2}‘)", user_id, "User_Tel", shouji);//sql数据库

                            sqlCommand.ExecuteNonQuery();

                        }
                        //成功提交
                        sqlTransaction.Commit();
                        Response.Write("<script type=‘text/JavaScript‘>alert(‘已成功导入文件！‘)</script>");
                    }
                    catch (Exception ex)
                    {
                        //   出错回滚
                        sqlTransaction.Rollback();
                        Response.Write("<script type=‘text/JavaScript‘>alert(‘导入文件失败！‘)</script>");
                    }
                    finally
                    {
                        conn.Close();
                    }
                }
            }
            else
            {
                Response.Write("<script type=‘text/JavaScript‘>alert(‘请选择要导入的文件！‘)</script>");
            }
        }

        //将Execl的数据读取到Datatable
        protected DataTable GetTable(string path, string fileName)
        {
            string connString = "";
            if (fileName.ToLower().IndexOf(".xlsx") < 0)
            {
                connString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=‘{0}‘;Extended Properties=‘Excel 8.0;IMEX=1‘", path);
            }
            else
            {
                connString = string.Format("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=‘{0}‘;Extended Properties=‘Excel 12.0;HDR=YES‘", path);
            }

            System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection(connString);
            string sql = "SELECT * FROM [Sheet1$]";
            DataTable dt;
            try
            {
                conn.Open();
                System.Data.OleDb.OleDbDataAdapter myCommand = new System.Data.OleDb.OleDbDataAdapter(sql, conn);
                DataSet ds = new DataSet();
                myCommand.Fill(ds, "[Sheet1$]");
                conn.Close();
                dt = ds.Tables[0];
                GridView1.DataSource = ds;
                GridView1.DataBind();

            }
            catch (Exception err)
            {
                return null;
            }

            return dt;
        }

        //上传文件方法
        private bool Upload(FileUpload myFileUpload)
        {
            bool flag = false;
            //是否允许上载
            bool fileAllow = false;
            //设定允许上载的扩展文件名类型
            string[] allowExtensions = { ".xls", ".xlsx" };

            //取得网站根目录路径
            string path = HttpContext.Current.Request.MapPath("../upload/");
            if (myFileUpload.HasFile)
            {
                string fileExtension = System.IO.Path.GetExtension(myFileUpload.FileName).ToLower();
                for (int i = 0; i < allowExtensions.Length; i++)
                {
                    if (fileExtension == allowExtensions[i])
                    {
                        fileAllow = true;
                    }
                }

                if (fileAllow)
                {
                    try
                    {
                        //存储文件到文件夹
                        myFileUpload.SaveAs(path + myFileUpload.FileName);
                        lblMes.Text = "文件导入成功";
                        flag = true;
                    }
                    catch (Exception ex)
                    {
                        lblMes.Text += ex.Message;
                        flag = false;
                    }
                }
                else
                {
                    lblMes.Text = "不允许上载：" + myFileUpload.PostedFile.FileName + "，只能上传xls的文件，请检查！";
                    flag = false;
                }
            }
            else
            {
                lblMes.Text = "请选择要导入的excel文件!";
                flag = false;
            }
            return flag;
        }
    }
}