Implementation of backup and recovery of SQL database in vb.net

Private Sub button3_click (ByVal sender as System.Object, ByVal e as System.EventArgs) Handles Button3.click ' Back Up database ' backup DATABASE Test to disk= ' C:\Backup ' with Format Dim cn As SqlConnection Dim cm as SqlCommand cn = Getdb () cm = New Sqlcomma nd ("BACKUP DATABASE jxbase to disk= ' C:\Backup ' with Format", CN) CN. Open () cm. ExecuteNonQuery () MsgBox ("Backup succeeded") CN. Close ()

End Sub

' Restore Private Sub button6_click (ByVal sender as System.Object, ByVal e as System.EventArgs) Handles Button6.click Dim cn as New SqlConnection Dim Cn1 As New SqlConnection Dim mydr As SqlDataReader Dim str As String

Dim tmpconnectionstring as String = "Data source=jjk;initial catalog=master;integrated Security=true" CN. ConnectionString = tmpconnectionstring cn1. ConnectionString = Tmpconnectionstring CN. Open () cn1. Open () Dim cm as SqlCommand = New SqlCommand ("select spid from Master.") sysprocesses where dbid=db_id (' jxbase '), cn) mydr = cm. ExecuteReader ()

Dim CM1 as SqlCommand = New SqlCommand () cm1. Connection = Cn1

while (myDR. Read ()) ' Kill process

str = "Kill" & myDR ("spid"). ToString () Cm1.commandtext = str Cm1.commandtype = CommandType.Text application.doevents () cm1. ExecuteNonQuery () ' Kill process End while myDR. Close () cm = New SqlCommand ("Restore DATABASE jxbase from disk= ' C:\Backup '", CN) ' restores backup cm. ExecuteNonQuery () MsgBox ("Restore successful Success") CN. Close () cn1. Close ()

End Sub