how to create handles??

i created one textbox and one push button, made it validation. but i got undefined handles error. i don't know how to create handles. basically gui will automatically creates handles using gui. but i created this 2 using uicontrol. i wrote call back for push button, i got undefined handles error.

please help me to solve the handles error.

[Jan]

Please post your code and the complete error message. We have to guess, what you have written, to suggest an improvement.

[Walter Roberson]

Duplicates http://www.mathworks.com/matlabcentral/answers/318054-i-want-to-evaluate-this-textbox-for-validation-but-i-got-this-error

Answer 1

[Jan]

You can find excellent examples here: FEX: 41 GUI examples .

Perhaps you need this:

handles.Button = uicontrol('Style', 'PushButton', ...
                            'Callback', @myPushbuttonCB)

Answer 2

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/318054-i-want-to-evaluate-this-textbox-for-validation-but-i-got-this-error#comment_416129