连接数据库代码实例 1,连接数据库代码 文件名称 conn.asp 所有访问数据库的文件都调用此文件 <% dim badword badword=\"\'|and|select|update|chr|delete|%20from|;|insert|mid|master.|set|chr(37)|=\" if request.QueryString\"\" then chk=split(badword,\"|\") for each query_name in request.quer
'-----发送按钮Click事件子程序----------- Private Sub Fasong_Click() Dim JIHAO(0) As Byte ’机号 Dim head_data(4) As Byte ’5 Byte控制字 Dim end_data(0) As Byte '1 Byte 结束字 JIHAO(0) = Val(Text3.Text) head_data(0) = Val(Text4.Text) head_data(2) = &HEE 'TIMH head_data
Dim cn As New ADODB.Connection Dim sr As New ADODB.Recordset Dim jibie As Integer cn.Open "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=(我的student表);Data Source=(你的服务器名字)" sr.Open "select * from TABLE1 w h
Option Explicit Public OK As Boolean Dim miCount As Integer Private Sub Form_Load() OK = False miCount = 0 End Sub Rem 用户登录 Private Sub Command1_Click() Dim n As String If Text1.Text = "antengjiao" And Text2.Text = "654321" Then Unload Form2 Form3.S
很好的文档,有利于帮助学生课程设计 登陆界面设计的关键代码 Private Sub Command1_Click() Dim mrc As ADODB.Recordset txtsql = "select username from use where username='" & Trim(Text1.Text) & "'" Set mrc = ExecuteSQL(txtsql) If mrc.EOF = True Then MsgBox " 用户名错误!", vbExclamation +
我的一段登陆按钮代码,用户表里有三个用户名,在登陆时只有第一个用户名有效,其他几个都是用户名或密码错误,不知什么原因,请高手指点,代码如下,谢谢! Option Compare Database Dim conn As ADODB.Connection Dim rs As ADODB.Recordset Private Sub cmd_登陆_Click() Set conn = CurrentProject.Connection Set rs = New ADODB.Recordset rs.
VB.net 演示主线程异常捕获错误的方法,如何捕获错误的例子,采用异常委托处理程序,使用MyException.Exception.Source和MyException.Exception.Message获取错误信息代码和具体的消息,将程序运行时发生的错误消息,错误信息记录在应用程序日志中,程序添加了一个异常委托,用于显示消息内容。 异常委托处理程序 Public Sub GetException(ByVal sender As System.Object, ByVal MyExc