VB连接ACCESS数据库精简版
Option Explicit
Private Sub Form_Load()
'工程->引用->选中Microsoft ActiveX Data Objects 2.8 Library
Dim shujukulianjie As New ADODB.Connection
Dim jiluji As New ADODB.Recordset
'连接数据库的代码段
shujukulianjie.Open "Provider=Microsoft.Jet.OLEDB.4.0;Persist Security Info=False;Data Source=" & App.Path & "\database\shujuku.mdb"
'自己改动一下上面的路径和文件名即可，其他的代码你不理解照粘贴无妨
'对xingmingbiao表进行查询操作
jiluji.Open "Select * from xingmingbiao", shujukulianjie
End Sub
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http://www.bianceng.cn/Programming/vb/200812/11121.htm
http://zhidao.baidu.com/question/76929489.html?fr=qrl&cid=1073&index=2
http://topic.csdn.net/t/20060821/17/4965200.html
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Option Explicit
Dim potflag As Integer '标识是否用小数点
Dim numcol As Integer ' 点击运算符的个数
Dim LastInput ' 指示上一次操作的内容
Dim colflag ......
Option Explicit
Private Const NCBASTAT = &H33
Private Const NCBNAMSZ = 16
Private Const HEAP_ZERO_MEMORY = &H8
Private Const HEAP_GENERATE_EXCEPTIONS = &H4
Private Const NCBRESET = &H32
Private Type NCB
ncb_command As Byte
ncb_retcode As Byte
ncb_lsn As Byte
ncb_num As Byte ......
Private Sub Form_load()
'判断程序是否已经运行
If App.PrevInstance
Then
MsgBox "本程序已经运行！", vbInformation Or vbOKOnly, "提示信息"
Unload
Me
Exit Sub
&n ......
1、Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As
Integer)
Cancel = True
End Sub
2、Private Sub
Form_Unload(Cancel As Integer)
Cancel = ......
Failed to access IIS metabase.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.Hosting.HostingEnvironmentException: ......
