C#怎么读取Excel中数据并插入到数据库中

本篇内容主要讲解“C#怎么读取excel中数据并插入到数据库中”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“C#怎么读取Excel中数据并插入到数据库中”吧!

C#读取Excel中数据，首先上传选择的xls文件,根据得到路径,读取文件信息,插入到数据库中。

using System.Data;     using System.Data.OleDb;     using System.io;     using System.Text; protected void Page_Load(object sender, EventArgs e)      {                }      public void ExcelToDS(string path)         {              string strSheetName = "sheet1";             string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +path + ";Extended Properties='Excel 8.0;HDR=Yes;IMEX=1;'";             //sql语句              string strExcel = "select * from  [" + strSheetName + "$] ";                       DataSet ds = new DataSet();            //连接数据源              OleDbConnection conn = new OleDbConnection(strConn);              conn.Open();                 //适配到数据源              OleDbDataAdapter adapter = new OleDbDataAdapter(strExcel, conn);             adapter.Fill(ds, "data");                 conn.Close();                 GridView1.DataSource = ds.Tables["data"];             GridView1.DataBind();               Label1.Text = ds.Tables[0].Rows.Count.ToString();             SqlAccess.Sqldatabase sql = new SqlAccess.Sqldatabase();             StringBuilder sb = new StringBuilder();             for (int i = 0; i < ds.Tables[0].Rows.Count; i++)             {                     sb.Append("insert into data values('" + ds.Tables[0].Rows[i]["companyname"] + "','" + ds.Tables[0].Rows[i]["telname"] + "','" + ds.Tables[0].Rows[i]["qytel"] + "','" + ds.Tables[0].Rows[i]["fax"] + "');");                 }             sql.ExecuteNonQuery(CommandType.Text, sb.ToString());             }         protected void Button1_Click(object sender, EventArgs e)         {             string fileName = null;             try            {                 Boolean fileOK = false;                 String path = Server.MapPath("./doc/");                 if (FileUpload2.HasFile)                 {                     String fileExtension =                         System.IO.Path.GetExtension(FileUpload2.FileName).ToLower();                     String[] allowedExtensions =                      { ".xls" };     //C#读取Excel中数据                for (int i = 0; i < allowedExtensions.Length; i++)                     {                         if (fileExtension == allowedExtensions[i])                         {                             fileOK = true;                         }                     }                 }                     if (fileOK)                 {                    fileName = "r_" + DateTime.Now.ToString("yyyy_MM_dd_hh_mm_ss") + "_" + DateTime.Now.Millisecond +                         System.IO.Path.GetExtension(FileUpload2.FileName).ToLower();                     if (File.Exists(path + fileName))                     {                         Random rnd = new Random(10000);                         fileName = fileName + rnd.Next();                     }                         FileUpload2.PostedFile.SaveAs(path                         + fileName);                                        }                 else                {                                      }             }             catch (Exception exp)             {             }             ExcelToDS(Server.MapPath(".") + "\\doc\\"+fileName);             }

C#读取Excel中数据并插入到数据库中就介绍到这里。

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