zoukankan      html  css  js  c++  java
  • 學習筆記 ADO數據庫訪問技術


    3.1.1ADO的對象(Connection对象,Command对象,Recordset对象)
    3.1.2了解記錄集
    3.1.3記錄集的主要屬性方法(Open,Close,Update,BOF,EOF,MoveFirst,MoveaLast,MoveNext,MovePrevious,AddNew,Delete,LockType,Fields,RecordCount)
    myres.Open "資料表" myconnect, adOpenDynamic, adLockOptimistic,adCmdTable
    myres.Close
    3.2在Excel中引用ADO对象

    Public Sub excacc()
    Dim mydata As String, mytable As String, n As Integer

    mydata = "C:\Users\Administrator\Documents\Database1.accdb"
    mytable = "表1"

    Dim myconnect As ADODB.Connection
    Set myconnect = New ADODB.Connection
    myconnect.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;data source=" & mydata
    myconnect.Open

    Dim myres As ADODB.Recordset
    Set myres = New ADODB.Recordset
    myres.Open mytable, myconnect, adOpenKeyset, adLockOptimistic

    n = myres.RecordCount
    MsgBox "數據庫:" & mydata & "表:" & mytable & "共有" & n & "條記錄"
    For i = 0 To n
    MsgBox myres.Fields("字段1") & vbCrLf & myres.Fields("字段3")
    Next i
    myres.Close
    myconnect.Close
    Set myres = Nothing
    Set myconnect = Nothing

    End Sub




  • 相关阅读:
    小三学算术
    The Balance
    扫描线
    2019牛客暑期多校训练营(第九场)
    后缀数组
    Manacher
    局部变量和全局变量的区别
    2386:Lake Counting-poj
    简单背包问题(0032)-swust oj
    编程中易犯错误集锦-持续更新。。。。。
  • 原文地址:https://www.cnblogs.com/xyzabc0004/p/2415073.html
Copyright © 2011-2022 走看看