c# - Can't restore database from backup file -

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based on this article made small wpf application backup/restore database.

code:

using system.windows; using microsoft.sqlserver.management.smo;  namespace dbmanager {     /// <summary>     /// interaction logic mainwindow.xaml     /// </summary>     public partial class mainwindow     {         private server srv;         private database db;         private backupdeviceitem bdi;         private int recoverymod;          public mainwindow()         {             initializecomponent();             srv = new server();             db = srv.databases["mydb"];             recoverymod = (int) db.databaseoptions.recoverymodel;             bdi = new backupdeviceitem("test_full_backup1", devicetype.file);         }          private void button1_click(object sender, routedeventargs e)         {             backupdb();         }          private void button2_click(object sender, routedeventargs e)         {             restoredb();         }          public void backupdb()         {             var bk = new backup             {                 action = backupactiontype.database,                 backupsetdescription = "full backup of mydb",                 backupsetname = "mydb backup",                 database = "mydb"             };              bk.devices.add(bdi);             bk.incremental = false;             bk.logtruncation = backuptruncatelogtype.truncate;             bk.sqlbackup(srv);             label1.content = "backup finished";             bk.devices.remove(bdi);         }          public void restoredb()         {             db.drop();             var rs = new restore { norecovery = true };             rs.devices.add(bdi);             rs.database = "mydb";             rs.sqlrestore(srv);             label1.content = "restoration finished";             db = srv.databases["mydb"];             rs.devices.remove(bdi);             db.recoverymodel = (recoverymodel) recoverymod;         }     } }

when click button1 backup file created expected.

when click button2 can see "restoration finished" message , looks ok can't access database application uses it.

in sql management studio see "(restoring...)" after database's name , looks restoration process never finish.

visual studio 2010 , sql server 2012

the database left in recovering state because specified:

norecovery = true

if want database recovered after restore, change line to:

norecovery = false

more info in comparison of recovery , norecovery section here.


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