Disable button when text field is empty

Hi
How can I disable a button in JDialog box when the text field is empty and enable it when the user gives some input.
Balaap

You will have to use a keyListener since the use is not able to type into a disabled TextField. Listen for KeyEvents, if you get one enable the TextField a fill it with the char of the pressed key.
Rommie.

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  • Diable button when text field is empty

    Hi
    How can I disable a button in JDialog box when the text field is empty and enable it when the user gives some input.
    Balaap

    Hi,
    button.setEnabled(false);

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  • Disable button when user clicks

    Hi.,
    I am using jdev 11.1.5
    I need to disable button when user clicks the record which contain the value 'No'
    My scenario
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  • Report error when using combo box and one text field is empty

    I'm building an interactive pdf in adobe pro 9. My problem is the following: I have one text field where you can enter a numeric code and that is used to populate another text field when I choose an option on one combo box.For example: suppose I write the code 123 in the text field "A" and that the combo box has two options ("data" and "-"). When I select "-", another text field "B" is empty, while when I select "data" i populate the text field "B" using the code entered "A" with the text "data_123". In order to do this I use the standard javascript code in the Format>Custom tab of the combo-box.
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