default.aspx.cs

这是asp.net^和Visual C++Sharp编写的串并口通讯的书籍 源代码

using System;
using System.Data;
using System.Configuration;
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;
using System.Data.SqlClient;
using System.IO;


public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
      
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        
        try
        {
            if (FileUpload1.PostedFile.FileName == "")
            {
                Response.Write("<script language=javascript>alert('上传的文件不允许为空！！')</script>");
                return;
            }
            else
            {
                //获取上传文件的路径
                string filepath = FileUpload1.PostedFile.FileName;
                // 获取上传文件名称
                string filename = filepath.Substring(filepath.LastIndexOf("\\") + 1);
                //保存到服务器的路径
                string serverpath = Server.MapPath("Files/") + filename;
                //确定上传文件
                FileUpload1.PostedFile.SaveAs(serverpath);
                //以下操作是将上传文件信息保存到数据库中
                SqlConnection mycon = new SqlConnection("server=(local);user id=sa;pwd=;Database=mrdb");
                mycon.Open();
                SqlCommand mycomm = new SqlCommand("insert into tb_files(name,fileload) values('" + filename + "','" + serverpath + "')", mycon);
                mycomm.ExecuteNonQuery();
                mycon.Close();
                Response.Write("<script language=javascript>alert('上传成功！');location='InFo.aspx'</script>");
            }

        }
        catch (Exception error)
        {
            Response.Write(error.Message.ToString());
        }
    }
   
    protected void Button2_Click1(object sender, EventArgs e)
    {
        Response.Redirect("InFo.aspx");
    }
//protected void Button2_Click(object sender, EventArgs e)
    //{
    //    Response.Redirect("InFo.aspx");
    //}
}