Download PDF by Gabriel Manricks: Instant jqGrid

By Gabriel Manricks

ISBN-10: 1783289910

ISBN-13: 9781783289912

Use the robust jqGrid library to control your info from the frontend

Overview

• examine whatever new immediately! a quick, speedy, concentrated consultant supplying instant results
• Create grids simply to suit your data
• customise information to suit your users’ needs
• enforce persisting adjustments to the again end
• seek and filter out via your datasets efficiently

In Detail

jqGrid is a JS library outfitted with the rules of energy and suppleness, and it totally embraces the open resource neighborhood. It makes no preconceptions on the way you should still use it, and it supplies the chance to show off and manage your info from front finish itself, thereby gaining independence from server-side expertise and a database again finish.

Instant jqGrid invitations you into the area of chances supplied via jqGrid. ranging from the main humble of setups, we circulation directly to including controls, captions, and lines, turning an easy desk aspect right into a dwelling part in your web page.

Instant jqGrid introduces you to the titanic library of ideas jqGrid has to provide. you'll begin from scratch and development in the course of the commonest situations. you'll easy methods to take information and never in simple terms demonstrate it, yet control it from front finish itself. you'll conceal subject matters similar to validation and persisting adjustments to the again finish, and you'll additional expand your setup with specified features and occasions. by way of the tip of immediate jqGrid, you are going to understand how loads of it really works, yet extra importantly, you are going to understand the place to discover the stuff you want.

What you'll research from this book

• Create and customise grids
• structure information for humans
• upload controls to the grid
• Validate info at the entrance end
• manage facts with custom-made forms
• seek and clear out huge datasets
• Use precise capabilities and occasions to increase the functionality

Approach

Get to grips with a brand new expertise, comprehend what it really is and what it may do for you, after which get to paintings with an important beneficial properties and projects. A step by step, sensible Starter ebook, fast jqGrid embraces you if you take your first steps, and introduces you to the content material in an easy-to-follow order.

Who this e-book is written for

This publication is aimed toward those that have a few wisdom of HTML and JavaScript. wisdom of personal home page and SQL might additionally turn out to be important. No earlier wisdom of jqGrid is anticipated.

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Extra resources for Instant jqGrid

Sample text

Name=:name, email=:email, phone_number=:phone " . "WHERE ROWID = :id;"; //Delete Statement $delete = "DELETE FROM users WHERE ROWID = :id;"; The first line is the same; we are just connecting to the database, and then we create the queries with placeholders. Next, we need to check which operation the grid is trying to perform, and handle the appropriate method; let's start with the add method: 34 Instant jqGrid //Request Operation $opp = $_POST['oper']; if ($opp === "add") { $q = $db->prepare($insert); $q->execute(array( ":name" => $_POST['name'], ":email" => $_POST['email'], ":phone" => $_POST['phone_number'] )); } We start by preparing the statement, and then we inject the values into the placeholders and run it using the execute() function.

Let's say our data was showing invoices for a specific user; there would be no user column in the table because they all belong to the same person, but to save it to the server you would need this information. The other thing is, even once it knows what columns to create, it doesn't know what types of data are being edited. You might want to constrain the fields to specific values; for instance, you might have a field which is a string that contains the user's city, and you may not want the user to be able to enter anything.

CloseAfterAdd and closeAfterEdit: These are Booleans that determine whether or not to close the modal on submit for both the add and edit modals. By default these are both set to False. ÊÊ reloadAfterSubmit: This determines whether or not the form should reload its data after you submit a row; by default this is set to True. com/jqgridwiki/doku. id=wiki:form_editing. It is worth noticing, that you don't need to set the URL here if that is the only parameter you will be tweaking. It is a lot easier to just set the editurl property in the jqGrid constructor itself, and that will achieve the same outcome.

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Instant jqGrid by Gabriel Manricks


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