Microsoft JScript runtime error: 'null' is null or not an object

by filip 28. May 2008 15:44

Programming JavaScript can be fun, but sometimes when I get errors like this it can get a little frustrating...

Microsoft JScript runtime error: 'null' is null or not an object

It happened on the following line, where the variable 'o' was null:

o.onmousedown = Drag.start;

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Web Development

Comments (2) -

Di Tran Dai
Di Tran Dai Vietnam
6/1/2010 11:57:33 PM #

if you used:
ModalPopup1.Enabled = False
ModalPopup1.Hide()

Then you change:
ModalPopup1.Enabled = False

or
ModalPopup1.Hide()

don't use both

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About Filip Stanek

Death Note Pic I'm a developer at ACG in Cincinnati, OH. I like ASP.NET, Flash, and other web technologies, & enjoy playing chess, video games, etc.

Currently playing:
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