C#备份还原MySql数据库

using  System;
using  System.Collections.Generic;
using  System.Text;
using  System.Diagnostics;

     public   class  Cmd
    {
         ///   <summary>
         ///  执行Cmd命令
         ///   </summary>
         ///   <param name="workingDirectory"> 要启动的进程的目录 </param>
         ///   <param name="command"> 要执行的命令 </param>
         public   static   void  StartCmd(String workingDirectory, String command)
        {
            Process p  =   new  Process();
            p.StartInfo.FileName  =   " cmd.exe " ;
            p.StartInfo.WorkingDirectory  =  workingDirectory;
            p.StartInfo.UseShellExecute  =   false ;
            p.StartInfo.RedirectStandardInput  =   true ;
            p.StartInfo.RedirectStandardOutput  =   true ;
            p.StartInfo.RedirectStandardError  =   true ;
            p.StartInfo.CreateNoWindow  =   true ;
            p.Start();
            p.StandardInput.WriteLine(command);
            p.StandardInput.WriteLine( " exit " );
        }
    }

using  System;
using  System.Collections.Generic;
using  System.ComponentModel;
using  System.Data;
using  System.Drawing;
using  System.Text;
using  System.Windows.Forms;
using  System.IO;
using  System.Diagnostics;
using  System.Configuration;

using  MDRClient.DataAccess;

namespace  MDRClient
{
     public   partial   class  DataBackup : Form
    {
         public  DataBackup()
        {
            InitializeComponent();
        }

         private   void  btnBackup_Click( object  sender, EventArgs e)
        {
             try
            {
                 // String command = "mysqldump --quick --host=localhost --default-character-set=gb2312 --lock-tables --verbose  --force --port=端口号 --user=用户名 --password=密码 数据库名 -r 备份到的地址";

                 // 构建执行的命令
                StringBuilder sbcommand  =   new  StringBuilder();

                StringBuilder sbfileName  =   new  StringBuilder();
                sbfileName.AppendFormat( " {0} " , DateTime.Now.ToString()).Replace( " - " ,  "" ).Replace( " : " ,  "" ).Replace( "   " ,  "" );
                String fileName  =  sbfileName.ToString();

                SaveFileDialog saveFileDialog  =   new  SaveFileDialog();
                saveFileDialog.AddExtension  =   false ;
                saveFileDialog.CheckFileExists  =   false ;
                saveFileDialog.CheckPathExists  =   false ;
                saveFileDialog.FileName  =  fileName;

                 if  (saveFileDialog.ShowDialog()  ==  DialogResult.OK)
                {
                    String directory  =  saveFileDialog.FileName;

                    sbcommand.AppendFormat( " mysqldump --quick --host=localhost --default-character-set=gbk --lock-tables --verbose  --force --port=端口号 --user=用户名 --password=密码 数据库名 -r \ " { 0 }\ "" , directory);
                    String command  =  sbcommand.ToString();

                     // 获取mysqldump.exe所在路径
                    String appDirecroty  =  System.Windows.Forms.Application.StartupPath  +   " \\ " ;
                    Cmd.StartCmd(appDirecroty, command);
                    MessageBox.Show( @" 数据库已成功备份到  "   +  directory  +   "  文件中 " ,  " 提示 " , MessageBoxButtons.OK, MessageBoxIcon.Information);
                }

            }
             catch  (Exception ex)
            {
                MessageBox.Show( " 数据库备份失败！ " );
                
            }
        }
        
    }
}

using  System;
using  System.Collections.Generic;
using  System.ComponentModel;
using  System.Data;
using  System.Drawing;
using  System.Text;
using  System.Windows.Forms;
using  System.IO;
using  System.Diagnostics;
using  System.Configuration;

using  MDRClient.DataAccess;

namespace  MDRClient
{
     public   partial   class  DataRestore : Form
    {
         public  DataRestore()
        {
            InitializeComponent();
        }

         private   void  btnRestore_Click( object  sender, EventArgs e)
        {

             // string s = "mysql --port=端口号 --user=用户名 --password=密码 数据库名<还原文件所在路径";

             try
            {
                StringBuilder sbcommand  =   new  StringBuilder();

                OpenFileDialog openFileDialog  =   new  OpenFileDialog();

                 if  (openFileDialog.ShowDialog()  ==  DialogResult.OK)
                {
                    String directory  =  openFileDialog.FileName;

                     // 在文件路径后面加上""避免空格出现异常
                    sbcommand.AppendFormat( " mysql --host=localhost --default-character-set=gbk --port=端口号 --user=用户名 --password=密码 数据库<\ " { 0 }\ "" , directory);
                    String command  =  sbcommand.ToString();

                     // 获取mysql.exe所在路径
                    String appDirecroty  =  System.Windows.Forms.Application.StartupPath  +   " \\ " ;

                    DialogResult result  =  MessageBox.Show( " 您是否真的想覆盖以前的数据库吗？那么以前的数据库数据将丢失！！！ " ,  " 警告 " , MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
                     if  (result  ==  DialogResult.Yes)
                    {
                        Cmd.StartCmd(appDirecroty, command);
                        MessageBox.Show( " 数据库还原成功！ " );
                    }
                }
                
            }
             catch  (Exception ex)
            {
                MessageBox.Show( " 数据库还原失败！ " );
            }

        }
        
    }
}