public void RestoreDatabase(String databaseName, String filePath,
String serverName, String userName, String password, String dataFilePath, String logFilePath)
{
Restore sqlRestore = new Restore();
BackupDeviceItem deviceItem = new BackupDeviceItem(filePath, DeviceType.File);
sqlRestore.Devices.Add(deviceItem);
sqlRestore.Database = databaseName;
ServerConnection connection = new ServerConnection(serverName, userName, password);
Server sqlServer = new Server(connection);
Database db = sqlServer.Databases[databaseName];
sqlRestore.Action = RestoreActionType.Database;
String dataFileLocation = dataFilePath;
String logFileLocation = logFilePath;
db = sqlServer.Databases[databaseName];
sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName, dataFileLocation));
sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName + "_log", logFileLocation));
sqlRestore.ReplaceDatabase = true;
sqlRestore.Complete +=new ServerMessageEventHandler(sqlRestore_Complete);
sqlRestore.SqlRestore(sqlServer);
db = sqlServer.Databases[databaseName];
db.SetOnline();
sqlServer.Refresh();
}
调用此方法时,还原操作失败,并出现以下信息。
服务器'MDM04/SQLEXPRESS'还原失败。
MDM04是我的电脑名
内在的例外是
"System.Data.SqlClient.SqlError: 逻辑文件'vrv'不是数据库'vrv'的一部分。使用RESTORE FILELISTONLY列出逻辑文件名。"
vrv是数据库名称
我应该怎么做才能恢复文件
问题在这里
sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName, dataFileLocation));
sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName + "_log", logFileLocation));
这里databaseName的意思是,在db备份文件中指定的数据库名称。但你指定的是目标数据库的名称。
将其改为原始数据库名
这里是从备份文件中读取数据库名称的示例代码。
DataTable dtFileList = sqlRestore.ReadFileList(serverName);
string dbLogicalName = dtFileList.Rows[0][0].ToString();
string dbPhysicalName = dtFileList.Rows[0][1].ToString();
string logLogicalName = dtFileList.Rows[1][0].ToString();
string logPhysicalName = dtFileList.Rows[1][1].ToString
现在进入 "浏览 "选项卡,浏览以下路径--。
C:/Program Files/Microsoft SQL Server/100/SDK/AssembliesORC:/Program Files/Microsoft SQL Server/110/SDK/Assemblies
现在选择以下dlls
Microsoft.SqlServer.ConnectionInfo.dll。
Microsoft.SqlServer.Management.Sdk.Sfc.dll。
Microsoft.SqlServer.Smo.dll。
Microsoft.SqlServer.SmoExtended.dll。
Microsoft.SqlServer.SqlEnum.dll。
public void RestoreDatabase(String databaseName, String filePath,
String serverName, String userName, String password,
String dataFilePath, String logFilePath)
{
Restore sqlRestore = new Restore();
BackupDeviceItem deviceItem = new BackupDeviceItem(filePath, DeviceType.File);
sqlRestore.Devices.Add(deviceItem);
sqlRestore.Database = databaseName;
ServerConnection connection = new ServerConnection(serverName, userName, password);
Server sqlServer = new Server(connection);
Database db = sqlServer.Databases[databaseName];
sqlRestore.Action = RestoreActionType.Database;
String dataFileLocation = dataFilePath;
String logFileLocation = logFilePath;
db = sqlServer.Databases[databaseName];
sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName, dataFileLocation));
sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName + "_log", logFileLocation));
sqlRestore.ReplaceDatabase = true;
sqlRestore.Complete +=new ServerMessageEventHandler(sqlRestore_Complete);
sqlRestore.SqlRestore(sqlServer);
db = sqlServer.Databases[databaseName];
db.SetOnline();
sqlServer.Refresh();
}