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下午好txtEmail沒有聲明(VB.Net Express 2013)
我正在通過自學教程,並不得不求助於看一個練習的答案。但是,當我在代碼窗口中輸入解決方案時,我收到一條錯誤消息,指出txtEmail未聲明。這是代碼的第一部分
Private Sub btnInStr_Click(sender As Object, e As EventArgs) Handles btnInStr.Click
Dim email As String
Dim Chars_to_check As Char
email = txtEmail.Text
Chars_to_check = "@"
TestEmail1(email, Chars_to_check)
End Sub
任何指導讚賞
感謝
的名稱,您需要放入TextBox放到你的表單上並命名爲'txtEmail'。 –