我尝试下面的代码:如何只允许-ZA-Z字符
Private Sub txtName_KeyPress(sender As Object, e As System.Windows.Forms.KeyPressEventArgs) Handles txtName.KeyPress
' allow upper and lower case A-Z, and backspace
If Not Chr(KeyAscii) Like "[A-Za-z]" And KeyAscii <> 8 Then KeyAscii = 0
End Sub
但它给:
'KeyAscii' 未声明。由于其保护级别,它可能无法访问。
关于如何仅允许字母表的任何想法?
即使你宣布它,它不会有一个有意义的价值...... –
你说得对。这只是我对VB.NET谈话的经验不足。谢谢 –