Path文件操作实例

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="AddProduct.aspx.cs" Inherits="WebApplication1.AddProduct" %>

<!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></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h1>新增商品</h1>
        <p>商品名称:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        </p>
        <p>价格:<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
        </p>
        <p>图片:<asp:FileUpload ID="FileUpload1" runat="server" />
        </p>
        <p>
            <asp:Image ID="Image1" runat="server" Height="68px" Width="100px" />
            <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="上传" />
        </p>
        <p>备注:<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
        </p>
        <p>
            <asp:Button ID="Button2" runat="server" onclick="Button2_Click" Text="新增" />
        </p>
        <p>&nbsp;</p>
    </div>
    </form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Data.SqlClient;

namespace WebApplication1
{
    public partial class AddProduct : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        //上传
        protected void Button1_Click(object sender, EventArgs e)
        {
            string type = Path.GetExtension(FileUpload1.FileName);
            Guid g = Guid.NewGuid();//全局唯一标示
            string fileName = "images/" + g.ToString() + type;
            //保存
            FileUpload1.SaveAs(Server.MapPath(fileName));
            Image1.ImageUrl = fileName;
        }
        //新增
        protected void Button2_Click(object sender, EventArgs e)
        {
            string sql = "insert into product values(@pname,@price,@pic,@remark)";
            SqlParameter[] pms = new SqlParameter[4];
            pms[0] = new SqlParameter("@pname", TextBox1.Text);
            pms[1] = new SqlParameter("@price", TextBox2.Text);
            pms[2] = new SqlParameter("@pic", Image1.ImageUrl);
            pms[3] = new SqlParameter("@remark", TextBox3.Text);
            int i = SQLHelper.ExecuteNonQuery(sql, pms);
            if (i > 0)
            {

                MessageBox.Alert(Page,"新增成功");

            }
            else
            {
                Response.Write("新增失败");
            }
        }
    }
}
原文地址:https://www.cnblogs.com/xiaz/p/5242923.html