extjs4

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ExtJS 4 - How to download a file using Ajax?

I have a form with various textfields and two buttons - Export to Excel and Export to CSV. The user can provide the values to different fields in the form and click one of the buttons.[详细]

2023-04-13 00:21 分类：问答
ExtJS 4: Why don't fields appear in my custom Ext.form.Panel?

I\'m defining a class that extends Ext.form.Panel but none of the fields appear when it\'s shown (they\'re not even in the DOM). Is there something wrong with defining the class this way?[详细]

2023-04-12 19:06 分类：问答
Should I specify the proxy in the Model or the Store?

I\'m relatively new to cross-platform mobile development, and recently have been going through some basic tutorials on how to use Sencha Touch in my app. I have been confused by what seems to me as in[详细]

2023-04-12 18:19 分类：问答
ExtJS 4 - Combo Box blur event getting fired twice

I have a simple combobox with a blur event. The blur event has an alert called for testing purpose currently.[详细]

2023-04-12 13:11 分类：问答
ExtJS 4 - How to mark form field invalid and display red borders around it (as done default by ExtJS) if custom validation fails?

I have a form in which some of the fields need to be validated at the server side. When the form is submitted, then the server validates the values of these fields and if validations fail then serv[详细]

2023-04-12 08:24 分类：问答
Grails sort params

I am using ExtJS4 library to show a grid of paged data served by a Grails controller and returned开发者_运维技巧 as JSON.[详细]

2023-04-12 04:37 分类：问答
Howto override listener in gridpanel on ExtJS4

Hii howto override itemclick in gridpanel on ExtJS4 ? I have gridpanel with alias tableA like this : Ext.define(\'AM.test.TableA\', {[详细]

2023-04-12 02:25 分类：问答
ExtJS 4 Naming Conventions

I开发者_如何学编程 was discussing with my colleagues the correct naming conventions for classes, variables and objects etc within ExtJS 4, but we all had differing views.[详细]

2023-04-11 23:34 分类：问答
EXTJS 4.0 : how to implement callback method for store.sync() method?

I am using Extjs 4.0 , a开发者_运维技巧nd I need a callback method for store.sync() method? Does anyone have a solution? Thanks a lot!This should work starting from 4.1:[详细]

2023-04-11 22:30 分类：问答
Extjs4 selecting grid row value(s)?

So selecting grid row value is easy: handler: function(widget, event){ rec = grid.getSelectionModel().getSelection()[0];[详细]

2023-04-11 19:19 分类：问答