C#對SQL Server資料庫的備份與還原

來源:互聯網
上載者:User

標籤:

  備份資料庫:

    string connectionString = "server=伺服器名稱;database=資料庫名;uid=登入名;pwd=登入密碼";         //登入名和密碼在SQL Server中尋找
    private void btnBackDataBase_Click(object sender, EventArgs e)
    {
      try
      {
        SaveFileDialog sf = new SaveFileDialog();
        DialogResult dr = sf.ShowDialog();
        if (dr == DialogResult.OK)
        {
          string path = sf.FileName;
          string sql = " BACKUP DATABASE 資料庫名 to DISK = ‘" + path + "‘";
          SqlConnection con = new SqlConnection(connectionString);
          con.Open();
          SqlCommand cmd = new SqlCommand(sql, con);
          cmd.ExecuteNonQuery();
          MessageBox.Show("Database Backup成功");
          con.Close();
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message.ToString());
      } 
    }

  資料庫還原:

    private void btnRestore_Click(object sender, EventArgs e)
    {
      OpenFileDialog ofd = new OpenFileDialog();
      DialogResult dr = ofd.ShowDialog();
      if (dr == DialogResult.OK)
      {
        try
        {
          string cmdText = @"restore database 資料庫名 from disk=‘" + ofd.FileName + "‘";
          SqlConnection con = new SqlConnection(connectionString);
          con.Open();
          string setOffline = "Alter database 資料庫名 Set Offline With rollback immediate ";
          string setOnline = " Alter database 資料庫名 Set Online With Rollback immediate";
          string sql = setOffline + cmdText + setOnline;
          SqlCommand cmd = new SqlCommand(sql, con);
          cmd.ExecuteNonQuery();
          con.Close();
        }
        catch (Exception ex)
        {
          MessageBox.Show(ex.Message);
        }
      }
    }

C#對SQL Server資料庫的備份與還原

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