browser - Set Value of a TextArea inside a WebBrowser Control (C# )

Question

textarea dir="ltr" tabindex="-1" role="textbox" aria-label="Rich text editor, vB_Editor_001_editor, press ALT 0 for help." class="cke_source cke_enable_context_menu" style="width: 100%; height: 100%; min-width: 100%; max-width: 100%; resize: none; outline: none; text-align: left; 

This is the textarea. I want to send value there but. There isnt name or id. I couldnt send value.

Answer 1

使用 WebBrowser HtmlDocument GetElementsByTagName函数

var elements = WebBrowser1.Document.GetElementsByTagName("textarea");
foreach (HtmlElement element in elements)
{
     if (element.InnerHTML.Contains("Rich text editor"))
     {
          // do something
     }
}

Answer 2

是否可以简单地设置 id，然后给它一个runat="server"属性，或者是什么阻止你这样做？

标记：

<textarea id="myTextArea" runat="server" tabindex="-1" role="textbox" 
aria-label="Rich text editor, vB_Editor_001_editor, press ALT 0 for help."
class="cke_source cke_enable_context_menu" 
style="width: 100%; height: 100%; min-width: 100%; max-width: 100%; resize: none; outline: none; text-align: left;">

C#代码：

myTextArea.Value = "This is the inner value";

Answer 3

const string textUWantToInput = "Inputed text";
var input = webBrowser1.Document.GetElementsByTagName("textarea");
input[0].SetAttribute("value", textUWantToInput);