• 先将Excel导入到gridview再添加进数据库【Excel批量添加】


    原文发布时间为:2008-10-27 —— 来源于本人的百度文章 [由搬家工具导入]

    前台:

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    <html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
        <title>无标题页</title>
    </head>
    <body>
        <form id="form1" runat="server">
        <div>
            &nbsp;<asp:FileUpload ID="FileUpload1" runat="server" /><br />
            <br />
            <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="导入Excle预览" />
            <asp:GridView ID="GridView1" runat="server">
            </asp:GridView>
            </div>
            <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="确定将以上数据导入数据库"
                Visible="False" />
        </form>
    </body>
    </html>

    后台:

    using System;
    using System.Data;
    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.Data.OleDb;
    using System.Data.SqlClient;
    using System.IO;
    public partial class Default2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        protected void Button1_Click(object sender, EventArgs e)
        {
            string type1 = FileUpload1.PostedFile.ContentType;
            string type = type1.Substring(type1.LastIndexOf("-") + 1, 5);

            if (string.Equals(type, "excel"))
            {
                string newName = Server.MapPath("App_Data//Uploads//") + DateTime.Now.ToString("hhmmss") + ".xls";
                FileUpload1.SaveAs(newName);
                string connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + newName + ";Extended Properties=Excel 8.0;";
                OleDbConnection conn = new OleDbConnection(connStr);
                if (conn.State.ToString() == "Closed")
                {
                    conn.Open();
                }
                OleDbDataAdapter oda = new OleDbDataAdapter("select * from [Sheet1$]", conn);
                DataSet ds = new DataSet();
                oda.Fill(ds);
                conn.Close();
                GridView1.DataSource = ds;
                GridView1.DataBind();
                File.Delete(newName);
                Session["paper"] = ds;
                Button2.Visible = true;
            }

            else
            {
                Page.RegisterStartupScript("", "<script>alert('文件格式不正确')</script>");
            }
           
        }
        protected void Button2_Click(object sender, EventArgs e)
        {
            DataSet ds=(DataSet)Session["paper"];
            SqlConnection conn = new SqlConnection("Server=.\SQLEXPRESS;DataBase=master;Integrated Security=True");
            if(conn.State.ToString()=="Closed")
            {
                conn.Open();
            }
            SqlCommand cmd = new SqlCommand();
            for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
            {
                string user = ds.Tables[0].Rows[i][0].ToString();
                string paper = ds.Tables[0].Rows[i][1].ToString();
                string score = ds.Tables[0].Rows[i][2].ToString();
                string sql = "insert into [dbo].[paper]([user],[paper],[score]) values('" + user + "','" + paper + "','" + score + "')";
                cmd.Connection = conn;
                cmd.CommandText = sql;
                try
                {
                   cmd.ExecuteNonQuery();
                }
                catch(Exception ex)
                {
                    Response.Write("插入失败!由于:"+ex.Message);
                }
            }
            conn.Close();
            Response.Write("<SCRIPT>alert('数据已成功导入到数据库!');</SCRIPT>");
        }
    }

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  • 原文地址:https://www.cnblogs.com/handboy/p/7148415.html
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