Re: How get the MySQL data in a Netbeans UI
Phil Doble <[email protected]> Mon, 24 Dec 2007 08:42:23 -0800 (PST)
| Newsgroups | gmane.comp.java.netbeans.user-interface |
|---|---|
| Message-ID | <[email protected]> |
The clue is in the "static context" part of the error message.
The components on a form are all "Instance variables" - so they belong to an
instance of the form - one you create using the "new" keyword. The examples
use static variables and methods - these belong to the class itself. If you
declare a method (or "function" if you have a background in other languages)
as static, it can only use static variables - not instance variables. An
example may make this clearer...
public class AClass {
private static int aStaticVariable
private int anInstanceVariable
public static void aStaticMethod() {
aStaticVariable = 1; // this is OK
anInstanceVariable = 1; // this will cause a compliler error
}
public void anInstanceMethod() {
aStaticVariable = 1; // this is OK
anInstanceVariable = 1; // this is OK
}
}
It appears that you have tried to use jTextFieldMV.setText() inside a method
marked as static.
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