VB.NET Web浏览器控制器无法在文本框中设置值

Question

VB.NET webbrowser controller can't set value in textbox

<input name="ctl00$ContentPlaceHolder1$txtUsername" type="text" id="ctl00_ContentPlaceHolder1_txtUsername" style="width:95%;" class="TextBoxWatermark" autocomplete="off">

more information

var Page_Validators =  new Array(document.getElementById("ctl00_ContentPlaceHolder1_RequiredFieldValidator1"), document.getElementById("ctl00_ContentPlaceHolder1_RequiredFieldValidator2"));

more information

document.getElementById('ctl00_ContentPlaceHolder1_RequiredFieldValidator1').dispose = function() {
Array.remove(Page_Validators, document.getElementById('ctl00_ContentPlaceHolder1_RequiredFieldValidator1'));

}

more information

Sys.Application.add_init(function() {
$create(AjaxControlToolkit.TextBoxWatermarkBehavior, {"ClientStateFieldID":"ctl00_ContentPlaceHolder1_txtUsernameWatermarkExtender_ClientState","WatermarkCssClass":"TextBoxWatermark","WatermarkText":"ตัวอย่าง mj99u53xxxxxxxx","id":"ctl00_ContentPlaceHolder1_txtUsernameWatermarkExtender"}, null, null, $get("ctl00_ContentPlaceHolder1_txtUsername"));

});

and more

document.getElementById('ctl00_ContentPlaceHolder1_RequiredFieldValidator2').dispose = function() {
Array.remove(Page_Validators, document.getElementById('ctl00_ContentPlaceHolder1_RequiredFieldValidator2'));

}

i tried this code

webBrowser1.Document.All.GetElementsById("ctl00_ContentPlaceHolder1_txtUsername").SetAttribute("Value", "xxxxx");

it's can't work

Answer 1

Try:

webBrowser1.Document.GetElementsById("ctl00_ContentPlaceHolder1_txtUsername").SetAttribute("Value", "xxxxx");

Without the All property.