| 查询在不同Web服务器上的数据库 |
|
| 作者:jackblac… 文章来源:jackblack 点击数: 本日:{$DayHits} 更新时间:2005-2-6 2:12:31 |
|
使用ADO
dim cn as adodb.connection dim cmd as adodb.command dim rs as adodb.resultset
Set cn = New ADODB.Connection With cn .CursorLocation = adUseClient .ConnectionString = gstrConnectionString .Open End With Set adoCommand = New ADODB.Command With adoCommand .ActiveConnection = gadoConnection .CommandType = adCmdStoredProc .CommandText = "<stored proc name>" Set adoRS = .Execute() adoRS.CacheSize = 100 End With
for SQL Server the connection string would look something like the following: Provider=SQLOLEDB.1;Password=<password>;Persist Security Info=True;User ID=<username>;Initial Catalog=<db_name>;Data Source=<servername>
使用DAO方式
Sub ConnectionObjectX()
Dim wrkJet as Workspace Dim dbsNorthwind As Database Dim wrkODBC As Workspace Dim conPubs As Connection Dim conPubs2 As Connection Dim conLoop As Connection Dim prpLoop As Property
' Open Microsoft Jet Database object. Set wrkJet = CreateWorkspace("NewJetWorkspace", _ "admin", "", dbUseJet) Set dbsNorthwind = wrkJet.OpenDatabase("<full UNC path>\<databasename.mdb>")
' Create ODBCDirect Workspace object and open Connection ' objects. Set wrkODBC = CreateWorkspace("NewODBCWorkspace", _ "admin", "", dbUseODBC) Set conPubs = wrkODBC.OpenConnection("Connection1", , , _ "ODBC;DATABASE=pubs;UID=sa;PWD=;DSN=Publishers") Set conPubs2 = wrkODBC.OpenConnection("Connection2", , _ True, "ODBC;DATABASE=pubs;UID=sa;PWD=;DSN=Publishers")
Debug.Print "Database properties:"
With dbsNorthwind ' Enumerate Properties collection of Database object. For Each prpLoop In .Properties On Error Resume Next Debug.Print " " & prpLoop.Name & " = " & _ prpLoop.Value On Error GoTo 0 Next prpLoop End With
' Enumerate the Connections collection. For Each conLoop In wrkODBC.Connections Debug.Print "Connection properties for " & _ conLoop.Name & ":"
With conLoop ' Print property values by explicitly calling each ' Property object; the Connection object does not ' support a Properties collection. Debug.Print " Connect = " & .Connect ' Property actually returns a Database object. Debug.Print " Database[.Name] = " & _ .Database.Name Debug.Print " Name = " & .Name Debug.Print " QueryTimeout = " & .QueryTimeout Debug.Print " RecordsAffected = " & _ .RecordsAffected Debug.Print " StillExecuting = " & _ .StillExecuting Debug.Print " Transactions = " & .Transactions Debug.Print " Updatable = " & .Updatable End With
Next conLoop
dbsNorthwind.Close conPubs.Close conPubs2.Close wrkJet.Close wrkODBC.Close
End Sub
|
| 文章录入:tm 责任编辑:tm |
|
上一篇文章: 使用Jet UserRoster判断谁登陆了Access2002/2003数据库
下一篇文章: VB 6.0与大型数据库的无“数据源”连接 |
| 【字体:小 大】【发表评论】【加入收藏】【告诉好友】【打印此文】【关闭窗口】 |