如何选择下拉值 - Vb.net Webbrowser
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How to select drop down value - Vb.net Webbrowser
提问by user1908555
I want to select a dropdown value with vb.net webbrowser
我想用 vb.net webbrowser 选择一个下拉值
<OPTION value=1>One</OPTION>
<OPTION value=2>Two</OPTION>
The values 1 & 2 are without the quotes
值 1 和 2 没有引号
If the value is within quotes such as value = "1"
如果值在引号内，例如 value = "1"
Then I can use the code
然后我可以使用代码
WebBrowser1.Document.GetElementById("ID").SetAttribute("Value", "1")
But it does not work for the above.
但它不适用于上述情况。
Thanks in advance.
提前致谢。
Actually it does not matter if there is a quote or not. I created test code and it seems to be working.
实际上，有没有引用并不重要。我创建了测试代码，它似乎工作正常。
For Each Frame As HtmlWindow In currentWindow.Frames
Dim btnElementCollection As HtmlElementCollection =
Frame.Document.GetElementsByTagName("Select")
For Each curElement As HtmlElement In btnElementCollection
Dim controlName As String = curElement.GetAttribute("id").ToString
If controlName = TextBox2.Text Then
curElement.SetAttribute("Value", TextBox3.Text)
End If
Next
Next
TextBox2 is the id TextBox3 is the value
Sorry, not sure why it didn't work the first time and thanks for everyones time.
抱歉，不知道为什么它第一次不起作用，谢谢大家的时间。
回答by Chris Kdon
Try setting the attribute name to uppercase.
尝试将属性名称设置为大写。
<OPTION VALUE=1>One</OPTION>
<OPTION VALUE=2>Two</OPTION>
Note "value" is now "VALUE"
注意“值”现在是“值”
回答by Atif khan
You should set id of the target element. This should be
您应该设置目标元素的 id。这应该是
GetElementById("ID")
this
这个
GetElementById("element id ")
View your page source to get the correct id.
查看您的页面源以获取正确的 ID。
