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WebBrowser executes the JS method, and returns the value, C # background value

Source: Internet
Author: User
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      Private void Form1_Load (object  sender, EventArgs e)        {            @ "\i.html");            = webbrowser1.documenttext;        }
Private voidButton2_Click (Objectsender, EventArgs e) {WebBrowser1.Document.InvokeScript ("GetCode",New Object[] {"1567613","228267824","Top One","d7d796981b62d318"}); if(WebBrowser1.Document.GetElementById ("msg") !=NULL) {htmlelement element= WebBrowser1.Document.GetElementById ("msg"); Txtinfo.text= element. GetAttribute ("value"); }               }
function GetCode (Lbdid, ldocid, text, SessionID) {     document.getElementById ("MSG"). Value = H2 (Lbdid + '-' + ldocid + ') -' + P (text), +, SessionID);}
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en"><HTML>    <Head>        <title></title><Scripttype= "Text/javascript"src= "I.js"></Script>    </Head>    <Body>    <inputtype=textID=msg/>    </Body></HTML>

Use an HTML page as the medium to pass the returned value to the control in the HTML, and then in WebBrowser

HtmlElement element = WebBrowser1.Document.GetElementById ("msg");                Txtinfo.text = element. GetAttribute ("value")       
Get value

WebBrowser executes the JS method, and returns the value, C # background value

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Related Keywords:
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