Whats the wrong in this code ?? Vb.net

[Gd-Boy]

Hello All


why this error message is show to me ??






i call this function "SetAll()" from another function

how to fix it

[dday9]

Please do not post an image of the issue, instead copy/paste the relevant code along with a text copy of the error message.

[Sitten Spynne]

I can't read that language to provide a very accurate guess, but I do know this:

InvalidCastException means you have "a thing" and tried to cast it to "something else", but it can't be converted that way.

headElements is an HtmlElement, that's what VB is going to try to cast to. WebBrowser1.Document.GetElementsByTagName("head")(0) is obviously not an HtmlElement, or you wouldn't get this exception. You'll have to use the debugger to figure out what it is, and make sure to adjust for it.

[Gd-Boy]

ah sorry bro

this is the lines which has the error

    Public Function SetAll()
        'On Error Resume Next

        Dim headElements As HtmlElement = WebBrowser1.Document.GetElementsByTagName("head")(0)
        Dim scriptElements As HtmlElement = WebBrowser1.Document.CreateElement("script")
        Dim element As IHTMLScriptElement = DirectCast(scriptElements.DomElement, IHTMLScriptElement)

when i call it from another function

the error message is

an unhandled exception of type ' System.InvalidCastException ' occurred system windows forms.dll

[Shaggy Hiker]

Sitten has as much of an answer as we can really provide at this time. Whatever is in

WebBrowser1.Document.GetElementsByTagName("head")(0)

is not something that can be implicitly converted to an htmlElement. When the exception happens, you can highlight that whole portion and press Shift+F9 to see what is in there. This should also give you the type of the item.