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Thread: Key not in dictionary

Joern Engmann
Posts: 27

Key not in dictionary Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 08 Mar 10 4:49 AM

Hi,

I've a custom smart part and a button on it. When I click the Button I'want to open a dialog via DialogService. The dialog is a custom smart part too. both views are added in the portal as custom smart part.
When I run it (click on the button). I get the following message (translated from german):

The used key wasn't found in dictionary.

What does this message mean? What I've to do to solve the problem?

Joern

[Reply][Quote]

Nick Hollis
Posts: 549

Re: Key not in dictionary Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 08 Mar 10 9:37 AM

HI Joern,

Without the code of either it is very difficult.

You will get this error message if you try to access a dialogparameter by name/ordinal that is not being passed to the dialog service from the calling page. But could also be a few other things....basically whenever you try to access a property or item in a collection that is not there.

The code for both or at least one of your smartparts will be essential to post here...

Thanks,
Nick

[Reply][Quote]

Joern Engmann
Posts: 27

Re: Key not in dictionary Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 08 Mar 10 10:08 AM

Sorry for my waste of your time.
I've found the problem using the debugger ;o). It was an undefined Dialogservice parameter.

thanks

Joern

[Reply][Quote]

Nick Hollis
Posts: 549

Re: Key not in dictionary Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 09 Mar 10 5:11 AM

No problem

Just in case it helps anyone else...

When checking for the existence of a DialogParameter do not use if(DialogService.DialogParameters["PARAMNAME"] != null) etc. - this will still blow up at runtime if PARAMNAME does not exist. Instead use the ContainsKey method:

if(DialogService.DialogParameters.ContainsKey("PARAMNAME"))
{
//Work with key...
}

Thanks,

Nick

[Reply][Quote]

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