C#怎么讀取Excel中數據并插入到數據庫中

本篇內容主要講解“C#怎么讀取Excel中數據并插入到數據庫中”，感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷，實用性強。下面就讓小編來帶大家學習“C#怎么讀取Excel中數據并插入到數據庫中”吧!

C#讀取Excel中數據，首先上傳選擇的xls文件,根據得到路徑,讀取文件信息,插入到數據庫中。

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語句              string strExcel = "select * from  [" + strSheetName + "$] ";                       DataSet ds = new DataSet();            //連接數據源              OleDbConnection conn = new OleDbConnection(strConn);              conn.Open();                 //適配到數據源              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#讀取Excel中數據                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#讀取Excel中數據并插入到數據庫中就介紹到這里。

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