Top "Extjs4" questions

How to display binary data as image - extjs 4

Here is the binary for a valid .JPEG image. http://pastebin.ca/raw/2314500 I have tried to use Python to …

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Explain ExtJS 4 event handling

I've recently started learning ExtJS, and have trouble understanding how to handle Events. I have no experience of any previous …

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How to compare null value from the JsonObject in java

stackoverflow member i need some help from you. I am having a JsonObject given below { "Id": null, "Name": "New Task", "…

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Javascript how to show each element of array on a new line

I have a string build form comma separated values I use split to get each value and after that I …

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Extjs 4 combobox default value

I'm migrating my application from ExtJs 3 to 4 version. I have several comboboxes at my formPanel, and previously I've used hiddenName …

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Extjs 4.2: How to send parameters properly in a Ext.Ajax.Request POST

I have to do a POST from my ExtJs script in order to delete something from my DB: Ext.Ajax.…

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How to change extjs grid single cell background color depending on value changes?

To change whole row background color we can use getRowClass, but how to do the same logic only for one …

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Extjs - Get rowIndex of a selected row

I have been seleted a row, and now i want get rowIndex maybe like grid.getSelectionModel().getSelection()[0].rowIndex but it's …

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ExtJS4: How to show validation error message next to textbox, combobox etc

I need to implement validation messages that appear right next to invalid field. Any help would be appreciated.

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ExtJS 4 Change grid store on the fly

Is it posible to change grid's store in ExtJS 4? For example, i have two models: User = Ext.define('User',{ extend: …

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