SQL Server backup&restore
问题 backup string connectionString1 = (@"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|Database1.mdf;Database=Database1;Integrated Security=True; User Instance=True"); SqlConnection cn = new SqlConnection(connectionString1); cn.Open(); SqlCommand cmd = new SqlCommand(); SqlDataReader reader; cmd.CommandText = @"BACKUP DATABASE Database1 TO DISK = 'C:\SRI2Works.bak'"; cmd.CommandType = CommandType.Text; cmd.Connection = cn; reader = cmd.ExecuteReader(); cn.Close(); MessageBox.Show(