Questions tagged as 'extjs-4'

Tagged questions
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How to link models (with association), forms and grids in ExtJS 4?

I'm using ExtJS 4.2 in a project and I'm having problems involving model associations and how to link them to forms and grids. I'll illustrate with an example. I have 3 classes and 1 json, as below: User Ext.define('Usuario', { ext...
asked by 17.12.2013 / 18:41
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My application does not save accented data correctly

I'm developing a web application with ExtJS 4 and PHP. I'm having trouble making INSERT in the database. For example, I registered the product "tea", but it saves "chu00e1". My entire database is in UTF-8, my PHP files are in UTF-8 header...
asked by 28.11.2014 / 12:52
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How to show an image whose path is in the database?

I'm using ExtJS 4 and PHP. I have a saved image in a folder on the server and its path is saved to my database. I tried to do something like this: No controller code: onVerImgClick: function(btn, o, e0pts){ var grid = btn.up('grid');...
asked by 04.02.2015 / 11:41
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How to prevent the user from accessing without being logged in?

I'm developing an application with ExtJS 4 and PHP. My problem is this: How do I prevent the user from being able to access an application page without being logged in? I've tried everything (that I know), but it's as if HTML ignores the check I...
asked by 18.12.2014 / 13:42
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ExtJs TabPanel and gridview

I think it's a simple question, but I tried everything and it did not work. A gridview in the tabpanel is not displaying the pagingtollbar, as there is a lot of grid line passing the area of view. The tab scroll does not work, and I can not a...
asked by 17.07.2014 / 01:34
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Configure tooltip in click event in grid cell

I'm trying to display a tooltip when the user clicks on a grid cell. When I click on a cell, the tooltip appears. The problem is that after the click, it keeps popping up whenever I hover over any other cell. I am using Ext JS 4.2.1. I'll leave...
asked by 05.07.2016 / 14:51
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How to leave the field for sending invisible file? [duplicate]

I want to remove that part "Choose file .. No file selected" and leave only one image.     
asked by 06.02.2015 / 12:30