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  • C# 窗体备份/还原数据库

    很多人想实现在c#中备份与恢复sql数据库,又想要有在sql中那种进度条的状态.其实用c#sqldmo就可以实现

    //
    数据库备份
            string backaway =textbox1.Text.Trim();
                SQLDMO.Backup oBackup = new SQLDMO.BackupClass();
                SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
                try
                {
                    oSQLServer.LoginSecure = false;
                    //
    下面设置登录sql服务器的ip,登录名,登录密码
                    oSQLServer.Connect(serverip, serverid, serverpwd);
                    oBackup.Action = 0;
                   //
    下面两句是显示进度条的状态
                    SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step2);
                    oBackup.PercentComplete += pceh;
                    //
    数据库名称:
                    oBackup.Database = "k2";
                    //
    备份的路径
                    oBackup.Files = @backaway;
                    //
    备份的文件名
                    oBackup.BackupSetName = "k2";
                    oBackup.BackupSetDescription = "
    数据库备份";
                    oBackup.Initialize = true;
                    oBackup.SQLBackup(oSQLServer);
                    MessageBox.Show("
    备份成功!", "提示");
                }
                catch
                {
                    MessageBox.Show("
    备份失败!", "提示");
                }
                finally
                {
                    oSQLServer.DisConnect();
                }



    //
    数据库恢复
            //
    获取恢复的路径
            string dbaway = textbox2.Text.Trim();
                SQLDMO.Restore restore = new SQLDMO.RestoreClass();
                SQLDMO.SQLServer server = new SQLDMO.SQLServerClass();
                server.Connect(serverip, serverid, serverpwd);

                //KILL DataBase Process
                conn = new
    工资管理系统.CCUtility.connstring();
                conn.DBOpen();
                SqlCommand cmd = new SqlCommand("use master Select spid FROM sysprocesses ,sysdatabases Where sysprocesses.dbid=sysdatabases.dbid AND sysdatabases.Name='k2'", conn.Connection);
                SqlDataReader dr = cmd.ExecuteReader();
                while (dr.Read())
                {
                    server.KillProcess(Convert.ToInt32(dr[0].ToString()));
                }
                dr.Close();
                conn.DBClose();

                try
                {
                    restore.Action = 0;
                    SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step);
                    restore.PercentComplete += pceh;
                    restore.Database = "k2";
                    restore.Files = @dbaway;
                    restore.ReplaceDatabase = true;
                    restore.SQLRestore(server);
                    MessageBox.Show("
    数据库恢复成功!");
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
                finally
                {
                    server.DisConnect();
                }

    恢复相关的参数和备份相同,不再解释,自己看一下.

    上面两个函数调用到了更改进度条的两个函数:

           private void Step2(string message, int percent)
            {
                progressBar2.Value = percent;
            }

            private void Step(string message, int percent)
            {
                progressBar1.Value = percent;
            }

    setp
    对应备份,,setp2对应恢复....

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  • 原文地址:https://www.cnblogs.com/yuanermen/p/930863.html
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