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That method is deprecated- you're supposed to use setVisible() instead. Keep in mind that simply making the component invisible doesn't actually remove it, so what you're doing is causing a possible...

I can't run that because it's not an SSCCE. But where do you validate your Container after removing the component?

...what? What are you adding/removing from if not a Container? What do you mean by "remove method only disable the textfield"?

If you want help, you'll have to provide an SSCCE, as I don't really...

Sigh. What about it didn't work? Where's your SSCCE? Did you validate the Container after making the change?

There's a remove method in the Container class. Didn't you google this or look at the API first?