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Thread: HELP! Trying to dynamically hide / show panel on form through onload event of form...getting: Object reference not set to an instance of an object.

Dennis Putnam
Posts: 2

HELP! Trying to dynamically hide / show panel on form through onload event of form...getting: Object reference not set to an instance of an object. Your last visit to this thread was on 1/1/1970 12:00:00 AM

Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 22 May 09 9:29 AM

I am new to SLX, and am trying to dynamically hide / show a panel on a form in the onload event of my form.

I have added the panel to the form, and added a couple of fields in the panel, but when I try to reference the panel in the code snippet as follows:

form.pnlArchitect.Visible = False

I get the following runtime error:

Object reference not set to an instance of an object.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 49: form.dtPresentation.Caption = ""
Line 50:
Line 51: form.pnlArchitect.Visible = False
Line 52:
Line 53:

Can you guys offer any help? Any assistance would be greatly appreciated!
thank you,

Dennis Putnam

[Reply][Quote]

Ted Szklenski
Posts: 6

Re: HELP! Trying to dynamically hide / show panel on form through onload event of form...getting: Object reference not set to an instance of an object. Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 30 Jun 09 1:22 PM

If you are using the C# Snippet (deprecated), you do not need the form. precursor. just use dtPresention.Caption.

[Reply][Quote]

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