How to inject Javascript in WebBrowser control?

Question

I\'ve tried this:

string newScript = textBox1.Text;
HtmlElement head = browserCtrl.Document.GetElementsByTagName(\"head\")[0];
HtmlElement scriptEl = browser         


        

Answer 1

Here is the easiest way that I found after working on this:

string javascript = "alert('Hello');";
// or any combination of your JavaScript commands
// (including function calls, variables... etc)

// WebBrowser webBrowser1 is what you are using for your web browser
webBrowser1.Document.InvokeScript("eval", new object[] { javascript });

What global JavaScript function eval(str) does is parses and executes whatever is written in str. Check w3schools ref here.