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需要你的幫助下面的編碼,即時嘗試創建登錄表單在vb.net但系統顯示錯誤「運算符'='不是定義爲'Nothing'並鍵入'OleDbCommand'「。下面運營商的'='沒有被定義爲'沒有',並輸入'OleDbCommand'
是我的編碼
enter code here
Dim MyOledbCommand As OleDbCommand = New OleDbCommand()
If MyCommand = New OleDbCommand("SELECT * FROM Login WHERE username = '" & txtuser.Text & "' and password ='" & _
txtpass.Text & "'", OleDbConn) Then
MsgBox("Login Success")
Form1.Show()
Else
MsgBox("Login Failed")
End If
嗨保羅,你能告訴我這個例子嗎?謝謝 – user2334112