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vb.net压缩 vb文件压缩后打不开

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vb.net 如何压缩、解压缩文件1、你先搞懂winrar.exe的解压参数格式vb.net压缩，然后把winrar.exe和相关文件加入到资源文件中vb.net压缩 ， 然后调用 资源文件中的winrar.exe
2、弄明白rar/zip文件解压/压缩方法和格式vb.net压缩，自己写程序(可能会比较麻烦)
VB.net 如何将TXT文件转换压缩成.gz文件手机敲很累的！一定要给分?。「袷绞牵簍ar 选项 文件.选项有 -c:产生打包文件 -v:显示详细信息 -f:指定压缩后的文件名 -z:打包同时压缩！举个例子吧！将目录my打包并压缩成my.tar.gz就这样tar -zcvf my.tar.gz my
用vb.net对sql多数据库压缩备份为一个文件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.IO;
using System.Text;
using _5dRss.Const;
using _5dRss.lib.Data.Tool;
public partial class admin_admin_dbmanage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//生成备份文件列表
ListBackupFiles();
if (!Page.IsPostBack)
{
Showmsg.Visible = false;
//数据库路径
lilDBPath.Text = HttpContext.Current.Request.PhysicalApplicationPath + "App_Data\\" + ConfigurationSettings.AppSettings["DBFile"];
//新建一个 FileInfo 对象，并获得数据库文件的大?。?然后转换单位为KB
FileInfo myFileInfo = new FileInfo(lilDBPath.Text);
lilDBSize.Text = Convert.ToString(myFileInfo.Length/1024) + " KB";
//如果两个参数都不为空 ， 则继续执行
if (Request.QueryString["cmd"] != nullRequest.QueryString["source"] != null)
{
//备份数据库原文件名
string sourceFileName = Request.QueryString["source"];
//如果 cmd 参数为 DelFile
if (Request.QueryString["cmd"].Equals("DelFile"))
{
//删除备份数据库文件
File.Delete(HttpContext.Current.Request.PhysicalApplicationPath + "Backup\\" + sourceFileName);
//刷新备份文件列表
ListBackupFiles();
Showmsg.Visible = true;
Showmsg.Text = "div align='center' style='margin-bottom:8px;'img src='https://www.04ip.com/post/images/aL.gif' style='margin-bottom:-6px;'/span class='alertTxt'删除备份数据库成功!/spanimg src='https://www.04ip.com/post/images/aR.gif' style='margin-bottom:-6px;'//div";
}
//如果 cmd 参数为 Restore
if (Request.QueryString["cmd"].Equals("Restore"))
{
//用备份文件覆盖原文件
File.Copy(HttpContext.Current.Request.PhysicalApplicationPath + "Backup\\" + sourceFileName, HttpContext.Current.Request.PhysicalApplicationPath + "App_Data\\" + ConfigurationSettings.AppSettings["DBFile"], true);
//刷新备份文件列表
ListBackupFiles();
Showmsg.Visible = true;
Showmsg.Text = "div align='center' style='margin-bottom:8px;'img src='https://www.04ip.com/post/images/aL.gif' style='margin-bottom:-6px;'/span class='alertTxt'还原备份数据库成功!/spanimg src='https://www.04ip.com/post/images/aR.gif' style='margin-bottom:-6px;'//div";
}
}
}
}
protected void lnkbtnCompactDB_Click(object sender, EventArgs e)
{
//压缩修复数据库
AccessDBtool.CompactAccessDB(SysConfig.ConnectionString, HttpContext.Current.Request.PhysicalApplicationPath + "App_Data\\" + ConfigurationSettings.AppSettings["DBFile"]);
Showmsg.Visible = true;
Showmsg.Text = "div align='center' style='margin-bottom:8px;'img src='https://www.04ip.com/post/images/aL.gif' style='margin-bottom:-6px;'/span class='alertTxt'压缩修复数据库成功!/spanimg src='https://www.04ip.com/post/images/aR.gif' style='margin-bottom:-6px;'//div";

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