This script is a simple utility to allow users to restore SQL Server databases. It’s easier to use for non-DBAs and it provides a method of restoring databases when the management tools are not installed. It’s a good demonstration of a HTA application, but it’s not a intended as a replacement for SQL Server Management Studio. You can only use this utility for simple restore scenarios.A simple utility that allows you to restore SQL Server databases from a backup file.
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<html><head> <STYLE TYPE="text/css"> BODY {font-family: "Verdana, Arial, Helvetica, sans-serif"; font-size:x-small; background-color:#dfe0e5; } table {font-family: "Verdana, Arial, Helvetica, sans-serif"; font-size:x-small;} #RestoreCompleted { font-weight:bold; color:green; } #RestoreInProgress { font-weight:bold; color:blue; } #RestoreError { font-weight:bold; color:red; } #Footer { font-weight:bold; font-size:10px; } </STYLE> <script language="vbscript" OnLoad="Main()"> option explicit Const HKEY_LOCAL_MACHINE = &H80000002 Const adVarChar = 200 Const adParamInput = 1 Const intAppWidth = 600 Const intAppHeight = 280 ' 255 ' Set app size and centre screen on load Sub Window_Onload() Dim objWMIService,objItem,intHorizontal,intVertical Dim intLeft, intTop Set objWMIService = GetObject("winmgmts:\\.\root\cimv2") For Each objItem in objWMIService.ExecQuery("Select * From Win32_DesktopMonitor") intHorizontal = objItem.ScreenWidth intVertical = objItem.ScreenHeight Next If IsNull(intHorizontal) = False And IsNull(intVertical) = False Then intLeft = (intHorizontal - intAppWidth) / 2 intTop = (intVertical - intAppHeight) / 2 window.moveTo intLeft, intTop End If window.resizeTo intAppWidth,intAppHeight LoadSQLServerInstances() End Sub ' Populate list box with local SQL Server instances Sub LoadSQLServerInstances() Dim strComputer,strKeyPath,strValueName,strValue Dim oReg,arrValues, d strComputer = "." Set oReg=GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & _ strComputer & "\root\default:StdRegProv") strKeyPath = "SOFTWARE\Microsoft\Microsoft SQL Server\" strValueName = "InstalledInstances" oReg.GetMultiStringValue HKEY_LOCAL_MACHINE,strKeyPath, _ strValueName,arrValues If ISArray(arrValues) = false then msgbox "No local SQL Server instances found",vbCritical Close() end If set d = createobject("Scripting.Dictionary") For Each strValue In arrValues Dim objOption Set objOption = Document.createElement("OPTION") if strValue = "LOCAL" OR strValue="MSSQLSERVER" then strValue = "(local)" else strValue = ".\" & strValue end if objOption.Text = strValue objOption.Value = strValue if d.Exists(strValue) = false then if selInstances.Contains(objOption) = false then selInstances.Add(objOption) end if d.Add strValue,strValue end if Next End Sub ' Prompt user to select backup file Sub SelectBackupFile() Dim oDLG Set oDLG=CreateObject("MSComDlg.CommonDialog") With oDLG .DialogTitle="Open" .Filter="Backup Files|*.bak|All files|*.*" .MaxFileSize=255 .Flags=.Flags Or &H1000 'FileMustExist (OFN_FILEMUSTEXIST) .ShowOpen If .FileName<>"" Then txtFileName.Value =.FileName End If End With Set oDLG=Nothing End Sub ' Prompt user for location of database restore Sub SelectRestoreFolder() Const MY_COMPUTER = &H11& Const WINDOW_HANDLE = 0 Const OPTIONS = 0 Dim objShell,objFolder,objFolderItem,strPath Set objShell = CreateObject("Shell.Application") Set objFolder = objShell.Namespace(MY_COMPUTER) Set objFolderItem = objFolder.Self strPath = objFolderItem.Path Set objShell = CreateObject("Shell.Application") Set objFolder = objShell.BrowseForFolder _ (WINDOW_HANDLE, "Select a folder:", OPTIONS, strPath) If not objFolder Is Nothing Then Set objFolderItem = objFolder.Self txtRestoreFolder.Value = objFolderItem.Path End If End Sub ' Show/Hide username/password textbox depending on integrated security option Sub ShowAuth() if chkIntegrated.Checked = true then trUserName.Style.Display = "none" trPassword.Style.Display = "none" window.resizeTo intAppWidth,intAppHeight else trUserName.Style.Display = "block" trPassword.Style.Display = "block" window.resizeTo intAppWidth,intAppHeight + 50 end if End Sub ' Generate connection string for the local database Private Function GetConnectionString Dim strInstance,strUserName,strPassword strInstance = selInstances.Value strUserName = txtUserName.Value strPassword = txtPassword.Value if chkIntegrated.Checked = true then GetConnectionString = "Provider=SQLOLEDB.1;Data Source=" & strInstance & ";Integrated Security=SSPI;" else GetConnectionString = "Provider=SQLOLEDB.1;Data Source=" & strInstance & ";UID=" & strUserName & ";PWD=" & strPassword end if End Function ' Check if the specified database name already exists Function DatabaseExists(byval dbName) Dim strSQL,objCn,objCmd,strCn, objRs,pName strCn = GetConnectionString() strSQL = "SELECT COUNT(*) FROM sysdatabases where name = ?" set objCn = CREATEOBJECT("ADODB.Connection") set objCmd = CREATEOBJECT("ADODB.Command") set pName = objCmd.CreateParameter("@name",advarchar,adParamInput,128,dbname) objCmd.Parameters.Append pName objCn.Open strCn objCmd.ActiveConnection = objCn objCmd.CommandText = strSQL set objRs = objCmd.Execute if objRs(0) = 0 then DatabaseExists = false else DatabaseExists = true end if objRs.Close objCn.Close end function ' Perform validations before the restore Private Function Validate() dim objFSO, strCn, objCn,dbName set objFSO=createobject("Scripting.FileSystemObject") ' Check backup file exists if NOT objFSO.FileExists(txtFileName.Value) then RestoreError.InnerHTML = "File specified does not exist" Validate = false exit function end if ' Check restore folder exists if not objFSO.FolderExists(txtRestoreFolder.Value) then RestoreError.InnerHTML = "Folder specified does not exist" Validate = false exit function end if err.clear on error resume next ' Check connection to database strCn = GetConnectionString set objCn = CREATEOBJECT("ADODB.Connection") objCn.Open strCn objCn.Close if err.number <> 0 then RestoreError.InnerHTML= "Connection error:" & err.number Validate = false exit function end if ' Get database name from backup file. ' Just a quick check that backup file is readable GetDatabaseNameFromBackupFile() if err.number <> 0 then RestoreError.InnerHTML = "Error:" & err.number & " - " & err.description Validate = false exit function end if on error goto 0 ' Get database name. dbName = GetDatabaseName() ' Check if database with same name already exists if DatabaseExists(dbName) then RestoreError.InnerHTML = "Error: Database '" & dbname & "' already exists" Validate = false exit function end if Validate = True End Function ' Return database name for restore (either from backup file or user specified name) Private Function GetDatabaseName if chkDBNameDefault.Checked = True then GetDatabaseName = GetDatabaseNameFromBackupFile() Else GetDatabaseName = txtDBName.Value end if End Function ' Retreive database name from backup file Private Function GetDatabaseNameFromBackupFile Dim strSQL,objCn,objCmd,strCn, objRs,pRestoreFile strCn = GetConnectionString() strSQL = "RESTORE HEADERONLY FROM DISK = ?" set objCn = CREATEOBJECT("ADODB.Connection") set objCmd = CREATEOBJECT("ADODB.Command") set pRestoreFile = objCmd.CreateParameter("@RestoreFile",advarchar,adParamInput,255,txtFileName.Value) objCmd.Parameters.Append pRestoreFile objCn.Open strCn objCmd.ActiveConnection = objCn objCmd.CommandText = strSQL set objRs = objCmd.Execute GetDatabaseNameFromBackupFile = objRs("DatabaseName") objCn.Close end function ' Similar to SQL Server QUOTENAME function ' Wraps quotes around string and performs escapes Private Function QuoteName(byval Value, quoteChar) if quotechar = "[" or quotechar = "]" then QuoteName = "[" & REPLACE(Value,"]","]]") & "]" elseif quoteChar = "'" then QuoteName = "'" & REPLACE(Value,"'","''") & "'" else QuoteName = "" end if End Function ' Function to get the SQL statement used to perform the DB restore Private Function GetRestoreSQL Dim strSQL,objCn,objCmd,strCn, objRs,pRestoreFile Dim dbName dbName = GetDatabaseName() strCn = GetConnectionString() strSQL = "RESTORE FILELISTONLY FROM DISK = ?" set objCn = CREATEOBJECT("ADODB.Connection") set objCmd = CREATEOBJECT("ADODB.Command") set pRestoreFile = objCmd.CreateParameter("@RestoreFile",advarchar,adParamInput,255,txtFileName.Value) objCmd.Parameters.Append pRestoreFile objCn.Open strCn objCmd.ActiveConnection = objCn objCmd.CommandText = strSQL on error resume next set objRs = objCmd.Execute if err.number <> 0 then msgbox(err.description & err.number) exit function end if Dim strFolder strFolder = txtRestoreFolder.Value if not RIGHT(strFolder,1) = "\" then strFolder = strFolder & "\" end if Dim strRestore,strPath while objRs.EOF <> True AND objRs.BOF <> True strPath = strFolder + dbname & "_" & objRs("LogicalName") if objRs("Type") = "L" then 'LOG strPath = strPath & ".ldf" elseif objRs("Type") = "S" then 'FILESTREAM ' Folder don't add extension else 'DATA if objRs("FileID") = "1" then 'Primary File strPath = strPath & ".mdf" else strPath = strPath & ".ndf" end if end if if LEN(strRestore)> 0 then strRestore = strRestore & ", " end if strRestore = strRestore & "MOVE N" & QuoteName(objRs("LogicalName"),"'") & " TO " & QuoteName(strPath,"'") objRs.MoveNext wend objCn.Close strRestore = "RESTORE DATABASE " & QuoteName(dbName,"]") & " FROM DISK=N" & QuoteName(txtFileName.Value,"'") & " WITH FILE=1," & strRestore GetRestoreSQL = strRestore End Function ' Perform database restore Sub RestoreDatabase() Dim strSQL,strCn, objCn, objCmd ' Clear any existing error/completed notifications RestoreError.InnerHTML = "" RestoreCompleted.Style.Display = "none" ' Perform validation checks prior to restore if Validate() = false then exit sub end if ' Set restore notification RestoreInProgress.Style.Display = "block" UpdateScreen ' Get SQL for Restore strSQL = GetRestoreSQL() strCn = GetConnectionString() set objCn = CREATEOBJECT("ADODB.Connection") set objCmd = CREATEOBJECT("ADODB.Command") objCn.Open strCn objCmd.ActiveConnection = objCn objCmd.CommandText = strSQL objCmd.CommandTimeout = 0 on error resume next objCmd.Execute objCn.Close if err.number <> 0 then RestoreError.InnerHTML = "Error: " & err.Number & " - " & err.description else RestoreCompleted.Style.Display = "block" end if RestoreInProgress.Style.Display = "none" End Sub ' Causes a refresh Sub UpdateScreen() ' this is used to allow screen updates dim CMD, WSHShell Set WSHShell = CreateObject("WScript.Shell") CMD = WSHShell.ExpandEnvironmentStrings("%comspec%") WSHShell.run CMD + " /c ", 0, true Set WSHShell = Nothing End Sub ' Enables/Disables database name textbox Sub DefaultOptionChanged() if chkDBNameDefault.Checked = True then txtDBName.Disabled = "Disabled" txtDBName.style.backgroundcolor = "#dfe0e5" else txtDBName.Disabled = "" txtDBName.style.backgroundcolor = "#ffffff" end if End Sub </script> </head> <HTA:APPLICATION APPLICATIONNAME="Restore Database Utility" ID="RestoreDBHTA" INNERBORDER="no" > <body leftmargin=30 topmargin=20 rightmargin=30> <table> <tr> <td>Backup File:</td><td><input id="txtFileName" style="width=300px;" type="Text" Value=""/><input type="submit" value="Open" OnClick="SelectBackupFile()" /></td> </tr> <tr> <td>Restore Folder:</td><td><input id="txtRestoreFolder" style="width=300px;" type="Text" Value="" /><input type="submit" value="Open" OnClick="SelectRestoreFolder()" /></td> </tr> <tr> <td>SQL Server Instance:</td> <td> <select name="selInstances"> </select> <input id="chkIntegrated" type="checkbox" checked="true" OnClick="ShowAuth()">Integrated Security</input> </td> <tr id="trUserName" style="display:none"> <td>UserName:</td><td><input id="txtUserName" style="width=200px;" type="Text" /></td> </tr> <tr id="trPassword" style="display:none"> <td>Password</td><td><input id="txtPassword" style="width=200px;" type="password" /></td> </tr> <tr> <td>Database Name:</td><td><input id="txtDBName" style="width=200px;background-color:#dfe0e5" disabled="disabled" type="Text" /><input id="chkDBNameDefault" type="checkbox" checked="true" OnClick="DefaultOptionChanged">Use Default</input></td> </tr> </table> <br/> <input type="submit" value="Restore Database" OnClick="RestoreDatabase()" /> <input type="submit" value="Close" OnClick="Close()" /> <br/> <span id="RestoreInProgress" style="display:none">Database is been restored - this might take a while depending on the size of the database. Please wait...</span> <span id="RestoreCompleted" style="display:none">Restore Completed.</span> <span id="RestoreError"></span> <div id="Footer"> <hr/> <div style="float:left;">Version 1.0</div> <div style="float:right;">By David Wiseman<br /> </div> <div style="clear:both;"></div> <div style="text-align:center;font-size:12px;font-weight:bold"><a href="http://www.wisesoft.co.uk">www.wisesoft.co.uk</a></div> </div> </body></html> |