任何哥们请更正我的脚本,TextBox
变量已完成工作,但MaskTextBox
在此error
中返回了EnterEvent
。
我想为event-handling
和TextBox
使用MaskTextBox
的一个功能
Private Sub TextBox_Enter(sender As Object, e As EventArgs) Handles OrgNameTextBox.Enter, AddressTextBox.Enter, ContactNumMaskedTextBox.Enter
Dim Tb As TextBox = CType(sender, TextBox)
Dim Mtb As MaskedTextBox = CType(sender, MaskedTextBox)
If Type = MASKTEXTBOX Then
MTb.BackColor = Color.Yellow
MTb.ForeColor = Color.Black
ElseIf Type = TextBox Then
Tb.BackColor = Color.Yellow
Tb.ForeColor = Color.Black
End If
End Sub
答案 0 :(得分:1)
由于始终存在类型转换错误,因此事件处理程序无法工作 正确的版本是
Private Sub TextBox_Enter(sender As Object, e As EventArgs) Handles OrgNameTextBox.Enter, AddressTextBox.Enter, ContactNumMaskedTextBox.Enter
If TypeOf sender Is MaskedTextBox Then
Dim Mtb As MaskedTextBox = CType(sender, MaskedTextBox)
Mtb.BackColor = Color.Yellow
Mtb.ForeColor = Color.Black
ElseIf TypeOf sender Is TextBox Then
Dim Tb As TextBox = CType(sender, TextBox)
Tb.BackColor = Color.Yellow
Tb.ForeColor = Color.Black
End If
End Sub
更好地使用两个控件TextBoxBase
的共同祖先
Private Sub TextBox_Enter(sender As Object, e As EventArgs) Handles OrgNameTextBox.Enter, AddressTextBox.Enter, ContactNumMaskedTextBox.Enter
Dim bt As TextBoxBase = TryCast(sender, TextBoxBase)
If bt IsNot Nothing Then
bt.BackColor = Color.Yellow
bt.ForeColor = Color.Black
End If
End Sub
答案 1 :(得分:1)
我经常使用@Jimi及其工作示例...
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class='ex1'>
<a href="//app.google.com">app google</a>
<a href="//www.info.google.com">info google</a>
<a href="https://google.com/abc">google abc</a>
<a href="https://www.apple.com">apple</a>
</div>
<hr/>
<div class='ex2'>
<a href="//app.google.com">app google</a>
<a href="//www.info.google.com">info google</a>
<a href="http://wwwtst.google.com/abc">google abc</a>
<a href="https//wwwdev.apple.com">apple</a>
</div>