Top "Extjs3" questions

Ext JS 3 is the third major version of JavaScript library for building Rich Internet Applications (RIA).

How to add an ExtJs component at a specific position (index)?

I have a ToolBar with some components (TextFields and Buttons) and I would like to dynamically add a component (TextField, …

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How can I add tools in a tab of an Extjs TabPanel?

How can I add the buttons (tools) in the header of each tab, in a TabControl? I just could add …

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In ExtJs 3.3.1, how can I show a ComboBox drop down without click in EditorGrid?

I am using ExtJs 3.3.1. Within an EditorGrid, my "editable" column has a ComboBox as its editor. How can I have …

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How to get the xtype of an instantiated component?

Suppose I have an component's instance but I don't know what it is. Is there a convenient way to get …

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ExtJS populate Ext.FormPanel with data from database (JSON)

I am using ExtJS (v3) and I have a form built that I want to populate so that a user …

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how to group header grid in extjs?

How to group header like grid below in extjs: |-------------- A1 header------------|--------------B1 Header---------------| |----A2Header---|---A3Header---|----B2Header---|…

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Multiple lines of text in extjs grid panel cell

I have a gird. I want to display multiple lines in some grid cells. Following is the div that I …

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How to change DisplayField text in ExtJs 3.0?

I want to change 'Labelxx' to 'New Label' in a DisplayField. How can I do this? Below is my code: …

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ExtJS 3: Two ways of creating custom class: what's the difference?

I'm trying to learn ExtJS and object-oriented JavaScript in general. I've seen people defining classes in custom namespaces in a …

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How do I programmatically hide Tab in the TabPanel (ExtJS 3)

This my TabPanel code: inside the code there is two tabs (tab1 and tab2) in the TabPanel (tabs_panel) MyTabPanelUi = …

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