在vb.net中,if asc(e.keychar)=13有错误
答案:1 悬赏:80
解决时间 2021-01-21 13:30
- 提问者网友:富士山上尢
- 2021-01-20 18:34
在vb.net中,if asc(e.keychar)=13有错误
最佳答案
- 二级知识专家网友:往事埋风中
- 2021-01-20 20:01
把ByVal e as System.EventArgs改为ByVal e As System.Windows.Forms.KeyPressEventArgs即可
Private Sub TextBox2_KeyPress(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox2.KeyPress
If Asc(e.KeyChar) = 13 Then
If Not IsNumeric(TextBox2.Text) Then
TextBox2.Text = ""
TextBox2.Focus()
End If
End If
End Sub如果不懂,可以追问
望采纳
Private Sub TextBox2_KeyPress(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox2.KeyPress
If Asc(e.KeyChar) = 13 Then
If Not IsNumeric(TextBox2.Text) Then
TextBox2.Text = ""
TextBox2.Focus()
End If
End If
End Sub如果不懂,可以追问
望采纳
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