Nicht wirklich viel mit dem Webbrowser element gearbeitet, aber wenn du ein Element mit der ID "submit" ansprichst, solltest du vielleicht vorher schauen, ob es denn ein Element mit der ID "submit" auch gibt ..
btw. webrequests wären hier angebracht
btw.² was wird denn das mit dem Timer1_Tick da unten?
Dim htmlElements As HtmlElementCollection = WebBrowser1.Document.All
For Each element As HtmlElement In htmlElements
If element.GetAttribute("value") = "Sign In" Then
element.InvokeMember("click")
End If
Next
Dim htmlElements As HtmlElementCollection = WebBrowser1.Document.All
For Each element As HtmlElement In htmlElements
If element.GetAttribute("value") = "Sign In" Then
element.InvokeMember("click")
End If
Next
NullReferenceException Problem. 08/07/2012 - CO2 Private Server - 6 Replies Hey guys, I've been away quite a while but now I'm back.
Anyways, I wanted to try this 5535 source I had in my computer from a while back but it is giving me an error I can't quite manipulate.
This is the error line:
if (_dataset.Tables.Rows.Count > _row)
This is the error itself:
Object reference not set to an instance of an object.
[C#] System.NullReferenceException bei List<> 07/08/2012 - .NET Languages - 3 Replies Hallo
bin momentan nebenbei an einem Projekt in C# am arbeiten und habe ein Problem mit der Exception im Titel.
Folgendes versuche ich:
In dem Programm gibt es eine Personenverwaltung.
Ich habe eine Mutterklasse 'Entity'
class Entity
{
int id;
string name;
Nullreferenceexception 10/07/2011 - CO2 Private Server - 4 Replies Alright i'm getting these errors on nobility. I never had these errors before but the error reads this line in MySqlReader.cs private MySqlConnection _conn = new MySqlConnection(ConnectionString); that line never had errors for me. Can someone please explain this exception to me and give me tips on how to fix it.
I would appreciate it ever so much (:.
NullReferenceException 03/21/2011 - CO2 Programming - 12 Replies Alright, This Damn Exception annoys me as fuck , and I've got No Idea why.
I Believe I'm missing something.. Can somebody remind me what is it?
I know It's un-pro question but ermm... here we go.
http://i989.photobucket.com/albums/af15/RockArch/ Untitled.png?t=1300203698
[Help]NullReferenceException 11/23/2008 - CO2 Private Server - 3 Replies Ok... Well first off, I feel like an idiot fot not knowing what to do here. But I'm completely lost, so if somene could point me in the right direction, I'd appreciate it.
Seems this is completely random, sometimes it will occur after 30 minutes, sometimes the server can run for hours without an issue. But occasionally this kicks in, and everything freezes.
The code effected is...
if (Charr.MyClient.Online)
if (MyMath.CanSee(Attacked.LocX,...