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ExtJS Interview Questions and Answers

Ques 41. What is use of combo select event function?

To get the selected value from a combo.using getvalue();
var selectedComboValue = mycombo1.getValue();

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Ques 42. How to get a value of textfield or combo box?

using getvalue();
var selectedValue = mytextfield.getValue();

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Ques 43. How to apply css on select of combo box?

Using config option as
emptyClass : 'emptycss', where emptycss is a css classname

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Ques 44. What are components required for grid panel?

store, columnmodel, id, width,height
46. how to disable menu option for header in columnModel?
using menuDisabled: true

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Ques 45. How to hide the column in grid panel?

using hidden : true

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