/// <summary>
/// 數據備份
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCopy_Click(object sender, EventArgs e)
{
BackupDB(textBox1.Text.Trim());
}
/// <summary>
/// 數據還原
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnBack_Click(object sender, EventArgs e)
{
RestoreDB(this.textBox1.Text.Trim());
}
private void BackupDB(string strDbName)//數據庫備份 需要在窗體中放Label,ProgrssBar控件用來顯示提示信息和進度條,還有OpenFileDialog,和SaveFileDialog控件
{
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
this.Cursor = Cursors.WaitCursor;
this.label1.Text = "正在進行數據備份,這可能需要幾秒或更長時間,請稍候...";
this.label1.Visible = true;
this.label1.Refresh();
this.pBar1.Visible = true;
//------------------------------------------------------------------------------------
string selfName = saveFileDialog1.FileName.Trim();
//string deviceName = "bozhaobeifen";
//string remark = "備份測試";
//◆數據備份:
SQLDMO.Backup oBackup = new SQLDMO.BackupClass();
SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
oBackup.Action = 0;
oBackup.Initialize = true;
SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step);
oBackup.PercentComplete += pceh;
try
{
oSQLServer.LoginSecure = false;
oSQLServer.Connect("localhost", "sa", "");
MessageBox.Show(oSQLServer.ToString());
oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
oBackup.Database = strDbName;//數據庫名
oBackup.Files = selfName;//文件路徑
//oBackup.BackupSetName = deviceName;//備份名稱
//oBackup.BackupSetDescription = remark;//備份描述
oBackup.Initialize = true;
oBackup.SQLBackup(oSQLServer);
MessageBox.Show("數據庫備份成功!", "系統提示!", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
catch (System.Exception ex)
{
MessageBox.Show("數據庫備份失敗!請不要選擇備份到桌面!/n/n" + ex.ToString());
}
finally
{
oSQLServer.DisConnect();
}
//------------------------------------------------------------------------------------
this.label1.Text = "";
this.label1.Visible = false;
this.pBar1.Visible = false;
this.Cursor = Cursors.Default;
}
}
/// <summary>
/// 顯示進度條
/// </summary>
private void Step(string message, int percent)
{
this.pBar1.Value = percent;
}
public void RestoreDB(string strDbName)//數據恢復
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
this.label1.Visible = true;
this.label1.Refresh();
this.pBar1.Visible = true;
this.label1.Text = "進行數據庫恢復,這可能需要幾秒或更長時間,請稍候...";
SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass();
try
{
svr.Connect("localhost", "sa", "");
//殺死所有有關的進程
SQLDMO.QueryResults qr = svr.EnumProcesses(-1);
int iColPIDNum = -1;
int iColDbName = -1;
for (int i = 1; i <= qr.Columns; i++)
{
string strName = qr.get_ColumnName(i);
if (strName.ToUpper().Trim() == "SPID")
{
iColPIDNum = i;
}
else if (strName.ToUpper().Trim() == "DBNAME")
{
iColDbName = i;
}
if (iColPIDNum != -1 && iColDbName != -1)
break;
}
for (int i = 1; i <= qr.Rows; i++)
{
int lPID = qr.GetColumnLong(i, iColPIDNum);
string strDBName = qr.GetColumnString(i, iColDbName);
if (strDBName.ToUpper() == strDbName.ToUpper())
svr.KillProcess(lPID);
}
SQLDMO.Restore res = new SQLDMO.RestoreClass();
res.Action = 0;
SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step);
res.PercentComplete += pceh;
res.Files = openFileDialog1.FileName.Trim();
res.Database = strDbName;
res.ReplaceDatabase = true;
res.SQLRestore(svr);
MessageBox.Show("數據庫恢復成功!", "系統提示!", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
catch (Exception err)
{
throw (new Exception("恢復數據庫失敗,請關閉所有和該數據庫連接的程序!/n如果在桌面進行恢復請改變路徑!/n/n" + err.Message));
}
finally
{
svr.DisConnect();
}
this.label1.Visible = false;
this.pBar1.Visible = false;
}
}