导入Excel文件批量导入ToSQLServer数据库

using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections.Specialized;
using System.Web.Configuration;
using System.IO;
using System.Data.OleDb;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            
        }
    }

    /// <summary>
    /// 得到Excel表数据
    /// </summary>
    /// <returns>Excel表数据</returns>
    private DataSet GetExcelFileData()
    {
        //存放Excel文件数据
        DataSet dsExcel = new DataSet();

        try
        {
            //得到选择的Excel文件
            string readerExcelFile = excelFilePath.Value;
            //保存服务器Excel文件路径
            string serverExcelFile = readerExcelFile.Substring(readerExcelFile.LastIndexOf('//')+1,readerExcelFile.Length - readerExcelFile.LastIndexOf('//')-1);
            //服务器导入的Excel文件
            string serverImportExcelFilePath = @"~/ImportExcelFile/" + serverExcelFile;
            //映射到服务器本地的物理路径
            string physicalExcelPath = Server.MapPath(serverImportExcelFilePath);
            //获取文件名的后缀名
            string fileExt = System.IO.Path.GetExtension(readerExcelFile);
            //判断Excel文件扩展名(2003-2007)
            if (fileExt == ".xls" || fileExt == ".xlsx")
            {
                if (File.Exists(physicalExcelPath))
                {
                    File.Delete(physicalExcelPath);
                }
                //导入Excel文件保存到服务器
                excelFilePath.PostedFile.SaveAs(physicalExcelPath);
                //获取Excel2007文件驱动
                string excelDriveConnection = WebConfigurationManager.AppSettings["ExcelDrive"];
                if (!string.IsNullOrEmpty(excelDriveConnection))
                {
                    excelDriveConnection = string.Format(excelDriveConnection, physicalExcelPath);
                    OleDbConnection excelConnection = new OleDbConnection(excelDriveConnection);
                    excelConnection.Open();
                    DataTable schemaTable = excelConnection.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, null);
                    int sheetCount = schemaTable.Rows.Count;
                    for (int i = 0; i < sheetCount; i++)
                    {
                        string tableName = schemaTable.Rows[i][2].ToString().Trim();
                        DataTable dt = new DataTable(tableName.Replace("$", ""));
                        string strSql = "Select * From [" + tableName + "]";
                        OleDbCommand objCmd = new OleDbCommand(strSql, excelConnection);
                        OleDbDataAdapter sqlada = new OleDbDataAdapter();
                        sqlada.SelectCommand = objCmd;
                        sqlada.Fill(dt);
                        dsExcel.Tables.Add(dt);
                    }
                    excelConnection.Close();
                }
            }
        }
        catch
        {
            //Response.Write("<script language='javascript'>alert('" + ex.Message + "');</script>"
        }

        return dsExcel;
    }

    /// <summary>
    /// Excel文件数据保存到数据库
    /// </summary>
    /// <param name="dsExcel"> Excel文件数据</param>
    /// <returns>处理结果</returns>
    private bool ExcelDataToDataTable(DataSet dsExcel)
    {
        DataSet ds = new DataSet();
        //------------------------------------------------------------------------------------
        //获取批量插入的表
        string dbConnectionStr = WebConfigurationManager.ConnectionStrings["dbConnection"].ConnectionString;
        SqlConnection conn = new SqlConnection(dbConnectionStr);
        string selectStr = " SELECT id,name,remark from test_2009 ";
        SqlCommand cmd = new SqlCommand(selectStr, conn);
        SqlDataAdapter sda = new SqlDataAdapter(cmd);
        conn.Open();
        sda.Fill(ds);
        conn.Close();
        //------------------------------------------------------------------------------------
        //删除所有测试数据
        string deleteStr = " delete from test_2009";
        cmd = new SqlCommand(deleteStr, conn);
        conn.Open();
        cmd.ExecuteNonQuery();
        conn.Close();
        //------------------------------------------------------------------------------------
        //得到插入的数据
        foreach (DataRow dExcelRow in dsExcel.Tables[0].Rows)
        {
            DataRow newRow = ds.Tables[0].NewRow();
            newRow["id"] = dExcelRow["序号"].ToString();
            newRow["name"] = dExcelRow["名称"].ToString();
            newRow["remark"] = dExcelRow["备注"].ToString();
            ds.Tables[0].Rows.Add(newRow);
        }

        //-------------------------------------------------------------------------------------
        //在批量添加数据前的准备工作
        string sql = "insert into test_2009(id,name,remark) VALUES (@id,@name,@remark)";
        sda.InsertCommand = new SqlCommand(sql, conn);
        SqlParameter param = new SqlParameter();
        param = sda.InsertCommand.Parameters.Add(new SqlParameter("@id", SqlDbType.Int, 4));
        param.SourceVersion = DataRowVersion.Current;
        param.SourceColumn = "id";

        param = sda.InsertCommand.Parameters.Add(new SqlParameter("@name", SqlDbType.VarChar, 50));
        param.SourceVersion = DataRowVersion.Current;
        param.SourceColumn = "name";

        param = sda.InsertCommand.Parameters.Add(new SqlParameter("@remark", SqlDbType.VarChar, 50));
        param.SourceVersion = DataRowVersion.Current;
        param.SourceColumn = "remark";
        //-------------------------------------------------------------------------------------
        bool isResult = false;

        conn.Open();
        //批量插入
        if (sda.Update(ds) > 0)
        {
            isResult = true;
        }
        conn.Close();

        return isResult;
    }


    /// <summary>
    /// 导入Excel文件
    /// </summary>
    /// <param name="sender">固定参数</param>
    /// <param name="e">固定参数</param>
    protected void btnImportExcel_Click(object sender, EventArgs e)
    {
        //获取Excel文件数据
        DataSet dsExcel = GetExcelFileData();
        //获取处理结果
        bool isResult = ExcelDataToDataTable(dsExcel);

        if (isResult)
        {
            Response.Write("<script language='javascript'>alert('导入成功');</script>");
        }
    }
}

 

 

webConfig文件配置

 

<?xml version="1.0"?>
<!--
    Note: As an alternative to hand editing this file you can use the
    web admin tool to configure settings for your application. Use
    the Website->Asp.Net Configuration option in Visual Studio.
    A full list of settings and comments can be found in
    machine.config.comments usually located in
    /Windows/Microsoft.Net/Framework/v2.x/Config
-->
<configuration>
  <appSettings>

   //配置的是Excel文件2007驱动
    <add key="ExcelDrive" value="Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties='Excel 12.0;HDR=YES'"/>

  //配置的是Excel文件2003驱动

<add key="Excel2003Drive" value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties='Excel 8.0;HDR=Yes;IMEX=1'"/>
  </appSettings>
  <connectionStrings>
    <add name="dbConnection" providerName="System.Data.SqlClient" connectionString="server=172.16.0.23;database=student;uid=sa;pwd=edufe" />
  </connectionStrings>
    <system.web>
        <!--
            Set compilation debug="true" to insert debugging
            symbols into the compiled page. Because this
            affects performance, set this value to true only
            during development.
        -->
        <compilation debug="true"/>
        <!--
            The <authentication> section enables configuration
            of the security authentication mode used by
            ASP.NET to identify an incoming user.
        -->
        <authentication mode="Windows"/>
        <!--
            The <customErrors> section enables configuration
            of what to do if/when an unhandled error occurs
            during the execution of a request. Specifically,
            it enables developers to configure html error pages
            to be displayed in place of a error stack trace.

        <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
            <error statusCode="403" redirect="NoAccess.htm" />
            <error statusCode="404" redirect="FileNotFound.htm" />
        </customErrors>
        -->
    <customErrors mode="Off"></customErrors>
    </system.web>
</configuration>