文件上传到oracle数据库，并可以

文件上传到orcl数据库，并可以下载

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.OracleClient;//添加引用，项目目标框架改成.net framework 4
using System.IO;// FileStream file_stream;

namespace wenjianshangchuanxiazai
{
    public partial class Form1 : Form
    {
        private string connection_str = ““;
        private OracleConnection connection_Oracle;
        public Form1（）
        {
            InitializeComponent（）;
        }
        //上传
        private void button1_Click（object sender EventArgs e）
        {
            string filepath = ““;//要上传的文件的地址和文件名
            string sql = ““ sql_cs = ““ sql_zhi = ““;
            FileStream file_stream;
 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        144  2019-09-10 08:25  wenjianshangchuanxiazai\wenjianshangchuanxiazai\app.config

     文件        144  2019-09-10 08:25  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Debug\wenjianshangchuanxiazai.exe.config

     文件      11600  2019-09-10 08:09  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Debug\wenjianshangchuanxiazai.vshost.exe

     文件        144  2019-09-10 08:25  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Debug\wenjianshangchuanxiazai.vshost.exe.config

     文件        490  2016-07-16 19:44  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Debug\wenjianshangchuanxiazai.vshost.exe.manifest

     文件     196464  2010-03-18 19:31  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\System.Data.OracleClient.dll

     文件      10752  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\wenjianshangchuanxiazai.exe

     文件        144  2019-09-10 08:25  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\wenjianshangchuanxiazai.exe.config

     文件      26112  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\wenjianshangchuanxiazai.pdb

     文件       9728  2019-09-10 08:40  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\上传\上传下载测试.doc

     文件         10  2019-09-10 09:37  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\上传\上传下载测试.txt

     文件      18432  2019-09-10 09:38  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\上传\上传下载测试.xls

     文件       9728  2019-09-10 08:45  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\下载\下载结果.doc

     文件         10  2019-09-10 09:38  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\下载\下载结果.txt

     文件      18432  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\bin\Release\下载\下载结果.xls

     文件       4989  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\Form1.cs

     文件       3819  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\Form1.Designer.cs

     文件       5817  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\Form1.resx

     文件       3435  2019-09-10 08:25  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6635  2019-09-10 08:29  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       4608  2019-09-10 08:25  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        676  2019-09-10 08:29  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Debug\wenjianshangchuanxiazai.csproj.FileListAbsolute.txt

     文件        975  2019-09-10 08:25  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Debug\wenjianshangchuanxiazai.csproj.GenerateResource.Cache

     文件        180  2019-09-10 08:29  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Debug\wenjianshangchuanxiazai.Form1.resources

     文件        180  2019-09-10 08:29  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Debug\wenjianshangchuanxiazai.Properties.Resources.resources

     文件       6639  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Release\DesignTimeResolveAssemblyReferencesInput.cache

     文件       4608  2019-09-10 08:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Release\TempPE\Properties.Resources.Designer.cs.dll

     文件       1443  2019-09-10 08:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Release\wenjianshangchuanxiazai.csproj.FileListAbsolute.txt

     文件        975  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Release\wenjianshangchuanxiazai.csproj.GenerateResource.Cache

     文件      10752  2019-09-10 09:39  wenjianshangchuanxiazai\wenjianshangchuanxiazai\obj\x86\Release\wenjianshangchuanxiazai.exe

............此处省略29个文件信息