控制|数据|数据库|数据源
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' BEGIN USER CONSTANTS
' To just use a DSN, the format is shown on the next line:
'Const DSN_NAME = "DSN=ASP101email"
' Two other samples I used it with. Left in as syntax examples for DSN-less connections
'Const DSN_NAME = "DBQ=C:\InetPub\wwwroot\asp101\samples\database.mdb;Driver={Microsoft Access Driver (*.mdb)};DriverId=25"
'Const DSN_NAME = "DBQ=C:\InetPub\database\donations.mdb;Driver={Microsoft Access Driver (*.mdb)};DriverId=25"
Dim DSN_NAME
DSN_NAME = "DBQ=" & Server.MapPath("db_dsn.mdb") & ";Driver={Microsoft Access Driver (*.mdb)};DriverId=25;"
Const DSN_USER = "username"
Const DSN_PASS = "password"
' Ok, I know these are poorly named constants, so sue me!
' This script can be used without actually setting up a DSN, so
' DSN_NAME as well as the other two constants should really be named
' something more generic like CONNECTION_STRING, CONNECTION_USER, and
' CONNECTION_PASS, but I did it this way without really thinking about
' it and I'm too lazy to change it now. If it bothers you, you do it!
' END USER CONSTANTS
' BEGIN SUBS & FUNCTIONS SECTION
Sub OpenConnection
Set objDC = Server.CreateObject("ADODB.Connection")
objDC.ConnectionTimeout = 15
objDC.CommandTimeout = 30
objDC.Open DSN_NAME, DSN_USER, DSN_PASS
End Sub
Sub OpenRecordset(sType)
Dim sSqlString ' as String - building area for SQL query
Dim sCritOperator ' as String - basically "=" or "LIKE"
Dim sCritDelimiter ' as String - parameter delimiter "", "'", or "#"
Set objRS = Server.CreateObject("ADODB.Recordset")
Select Case sType
Case "ListTables" ' Open RS of the Tables in the DB
Set objRS = objDC.OpenSchema(adSchemaTables)
Case "ViewTable" ' Open the Selected Table
Set objRS = Server.CreateObject("ADODB.Recordset")
objRS.Open "[" & sTableName & "]", objDC, adOpenForwardOnly, adLockReadOnly
Case "DrillDown" ' Open the Recordset built by the selected options
Set objRS = Server.CreateObject("ADODB.Recordset")
' Build Our SQL Statement
sSqlString = "SELECT * FROM [" & sTableName & "]"
' If we're limiting records returned - insert the WHERE Clause into the SQL
If sCritField <> "" Then
' Figure out if we're dealinh with Numeric, Date, or String Values
Select Case iCritDataType
Case adSmallInt, adInteger, adSingle, adDouble, adDecimal, adTinyInt, adUnsignedTinyInt, adUnsignedSmallInt, adUnsignedInt, adBigInt, adUnsignedBigInt, adBinary, adNumeric, adVarBinary, adLongVarBinary, adCurrency, adBoolean
sCritOperator = "="
sCritDelimiter = ""
Case adDate, adDBDate, adDBTime, adDBTimeStamp
sCritOperator = "="
sCritDelimiter = "#"
Case adBSTR, adChar, adWChar, adVarChar, adLongVarChar, adVarWChar, adLongVarWChar
sCritOperator = "LIKE"
sCritDelimiter = "'"
End Select
sSqlString = sSqlString & " WHERE [" & sCritField & "] " & sCritOperator & " " & sCritDelimiter & sCritValue & sCritDelimiter
End If
' If we're sorting - insert the ORDER BY clause
If sSortOrder <> "none" Then
sSqlString = sSqlString & " ORDER BY [" & sSortField & "] " & sSortOrder
End If
sSqlString = sSqlString & ";"
' Open the actual Recordset using a Forward Only Cursor in Read Only Mode
objRS.Open sSqlString, objDC, adOpenForwardOnly, adLockReadOnly
End Select
End Sub
Sub CloseRecordset
objRS.Close
Set objRS = Nothing
End Sub
Sub CloseConnection
objDC.Close
Set objDC = Noth