0
我的当前登录代码有一个主要问题，每次输入用户名和密码时，它都会保存到一个Microsoft Access数据库中初始化字符串的格式不符合OLE DB规范：登录表单有困难有人可以看到代码，看看错误是什么
“System.Runtime.InteropServices.COMException”类型的未处理的异常错误在运行Club.exe
其他信息发生。
公共类Login_Form
Dim loginerror As String
Public Function Login()
Dim DBconn As New ADODB.Connection
Dim user As New ADODB.Recordset
Dim Username As String
Dim userDB As String
Dim passDb As String
Dim userfound As Boolean
DBconn.Open("Provider= microsoft.jet.OLEDB.4.0;" & _
"Data Source ='" & Application.StartupPath & _
"C:\Users\Wing's\Documents\Visual Studio 2013\Projects\Running Club 2\Running Club 2\bin\Debug\Running Club.mdb'")
user.Open("Member Table", DBconn, ADODB.CursorTypeEnum.adOpenStatic, ADODB.LockTypeEnum.adLockOptimistic)
userfound = False
Login = False
Username = "username='" & TxtUser.Text & "'"
Do
user.Find(Username)
If user.BOF = False And user.EOF = False Then
userDB = user.Fields("username").Value.ToString
passDb = user.Fields("password").Value.ToString
If userDB <> TxtUser.Text Then
user.MoveNext()
Else
userfound = True
If passDb = TxtPass.Text Then
Me.Hide()
Running_Club_Interface.Show()
user.Close()
DBconn.Close()
Return True
Else
loginerror = "Invalid Password"
user.Close()
DBconn.Close()
Return False
End If
End If
Else : loginerror = "Your Username or Password is incorrect please check username or password again."
user.Close()
DBconn.Close()
Return False
End If
Loop Until userfound = True
user.Close()
DBconn.Close()
Return True
End Function
Private Sub BtnIn_Click(sender As Object, e As EventArgs) Handles BtnIn.Click
If Login() = True Then
Me.Hide()
Running_Club_Interface.Show()
MessageBox.Show("You have successfully logged in.")
Else
MessageBox.Show(loginerror, "login Message")
End If
End Sub
末级
这里是代码什么ü可以说，请不要因为它真的缠着我，我不100％的了解去哪里，以及如何解决这个错误。