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Theodore Baker
Theodore Baker

How to Access the Halo Encyclopedia Online for Free: Explore the History, Lore, and Artwork of Halo


Instant jqGrid by Gabriel Manricks: A Review




If you are looking for a way to manage your data from the frontend using a powerful and flexible JavaScript library, you might want to check out Instant jqGrid by Gabriel Manricks. This book is a step-by-step guide that will teach you how to use jqGrid to create dynamic and interactive data grids for your web applications. In this review, we will take a look at what jqGrid is, what Instant jqGrid covers, how to get and use it, what are its main features, and what are its pros and cons.




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What is jqGrid and why use it?




jqGrid is a jQuery plugin that allows you to display and manipulate tabular data on your web pages. It is based on the principle of progressive enhancement, which means that it works with any HTML table and enhances it with features such as sorting, filtering, paging, editing, grouping, subgrids, tree grids, exporting, importing, and more. jqGrid is compatible with most browsers and supports various data sources, such as JSON, XML, local array, or server-side script.


There are many reasons to use jqGrid for your data management needs. Some of them are:


  • It is easy to use and customize.



  • It has a rich set of options and events that allow you to control every aspect of the grid.



  • It has a responsive design that adapts to different screen sizes and devices.



  • It has a modular structure that lets you load only the modules you need.



  • It has a large and active community that provides support and updates.



What is Instant jqGrid and what does it cover?




Overview of the book




Instant jqGrid is a book by Gabriel Manricks, a full-stack software and web developer who works as a staff writer for NetTuts+ and a freelancer in web consulting, development, and writing. He is also the author of Learning AngularJS Testing and Learning AngularJS Animations.


The book was published by Packt Publishing in July 2013. It has 58 pages and consists of six chapters that cover the following topics:


  • Getting started with jqGrid



  • Creating a basic grid



  • Customizing the grid appearance



  • Adding sorting, filtering, and paging



  • Editing and validating data



  • Using subgrids and tree grids



Who is this book for?




This book is aimed at people who have some knowledge of HTML and JavaScript. Knowledge of PHP and SQL would also prove to be beneficial. No prior knowledge of jqGrid is expected. The book is suitable for beginners who want to learn how to use jqGrid in a fast and easy way, as well as for intermediate users who want to refresh their skills and explore some advanced features.


What will you learn from this book?




By reading this book, you will learn how to:


  • Download and install jqGrid and its dependencies



  • Create a basic grid from an HTML table or a JSON data source



  • Customize the grid appearance using themes, icons, and CSS



  • Add sorting, filtering, and paging functionality to the grid



  • Edit and validate data using inline, form, or cell editing modes



  • Use subgrids and tree grids to display hierarchical data



  • Export and import data using CSV, PDF, or Excel formats



How to get and use Instant jqGrid?




Downloading the book




You can download Instant jqGrid from the Packt Publishing website or from other online platforms such as OverDrive, eBooks.com, or EBOOKEE. The book is available in PDF format and costs $14.99. You can also get a free sample chapter from the Packt Publishing website.


Setting up the environment




To use jqGrid, you need to have jQuery and jQuery UI installed on your web server. You can download them from their official websites or use a CDN service such as Google Hosted Libraries or Microsoft Ajax CDN. You also need to download jqGrid from its official website or GitHub repository. You can choose between the full package or the modular package, depending on your needs. You need to include the following files in your HTML page:


  • jquery.js



  • jquery-ui.js



  • jquery.jqGrid.min.js (or the modules you need)



  • jquery-ui.css



  • ui.jqgrid.css



  • i18n/grid.locale-en.js (or the language file you need)



Following the examples




The book provides many examples that illustrate how to use jqGrid in different scenarios. Each example has a code snippet that shows the HTML and JavaScript code required to create the grid. The code is well commented and explained in detail. You can also download the code files from the Packt Publishing website or GitHub repository. To run the examples, you need to have a web server that supports PHP and MySQL. You also need to create a database called jqgrid and import the jqgrid.sql file that contains the sample data.


What are the main features of Instant jqGrid?




Creating a basic grid




The first step to use jqGrid is to create a basic grid that displays your data. You can create a grid from an existing HTML table or from a JSON data source. To create a grid from an HTML table, you need to add an id attribute to the table element and call the jqGrid() method on it. For example:


```html




Name


Email


Phone






Alice


alice@example.com


123-456-7890




Bob


bob@example.com


234-567-8901




Charlie


charlie@example.com


345-678-9012





$(document).ready(function() // create a grid from the table $("#mygrid").jqGrid(); );


``` To create a grid from a JSON data source, you need to create an empty HTML element with an id attribute and pass some options to the jqGrid() method. The most important options are:



  • url: The URL of the server-side script that returns the JSON data.



I'm continuing to write the article for you. Here is the next part: Customizing the grid appearance




One of the advantages of jqGrid is that it allows you to customize the grid appearance using themes, icons, and CSS. You can use one of the predefined themes from jQuery UI or create your own theme using the ThemeRoller tool. You can also change the icons used in the grid using the iconSet option or by defining your own icon classes. You can also use CSS to style the grid elements, such as rows, cells, headers, footers, etc.


The book shows you how to apply a theme to the grid using the guiStyle option and how to change the icons using the iconSet option. It also explains how to use CSS selectors to target specific grid elements and how to use the rowattr and cellattr options to add custom attributes or classes to rows or cells.


Adding sorting, filtering, and paging




Another feature of jqGrid is that it allows you to add sorting, filtering, and paging functionality to the grid. Sorting means that you can order the data in the grid by clicking on the column headers. Filtering means that you can search for specific data in the grid using a toolbar or a dialog. Paging means that you can divide the data in the grid into pages and navigate between them using a pager.


The book teaches you how to enable sorting on the grid using the sortable option and how to customize the sorting behavior using the sorttype, sortname, and sortorder options. It also shows you how to enable filtering on the grid using the search option and how to use different types of filters, such as single field, multiple field, or advanced filters. It also demonstrates how to enable paging on the grid using the pager option and how to configure the paging parameters using the rowNum, rowList, and page options.


Editing and validating data




A third feature of jqGrid is that it allows you to edit and validate data in the grid. Editing means that you can modify the data in the grid using different modes, such as inline editing, form editing, or cell editing. Validating means that you can check if the data entered in the grid is valid and meets certain criteria.


The book explains how to enable editing on the grid using the editable option and how to choose between different editing modes using the edittype, editurl, and editrules options. It also shows you how to use various editing options, such as buttons, links, icons, events, or keyboard shortcuts. It also teaches you how to enable validation on the grid using the editrules, formoptions, and custom_func options and how to use different types of validation rules, such as required, email, integer, custom, etc.


Using subgrids and tree grids




A fourth feature of jqGrid is that it allows you to use subgrids and tree grids to display hierarchical data in the grid. Subgrids mean that you can expand a row in the grid and show another grid inside it with related data. Tree grids mean that you can show a tree-like structure in a single column of the grid with expandable nodes.


The book shows you how to enable subgrids on the grid using I'm continuing to write the article for you. Here is the next part: such as displaying and manipulating tabular data, but they also have some differences, such as the following:


  • jqGrid is more powerful and flexible, but also more complex and harder to learn. DataTables is more simple and easy to use, but also more limited and less customizable.



  • jqGrid supports more features, such as subgrids, tree grids, grouping, frozen columns, custom formatters, custom events, etc. DataTables supports fewer features, but also has some plugins that extend its functionality.



  • jqGrid has a modular structure that lets you load only the modules you need. DataTables has a monolithic structure that loads all the code at once.



  • jqGrid has a terrible documentation that is outdated and incomplete. DataTables has a great documentation that is clear and comprehensive.



  • jqGrid has a large and active community that provides support and updates. DataTables has a smaller and less active community that provides less support and updates.



  • How to use jqGrid with ASP.NET MVC?



There are several ways to use jqGrid with ASP.NET MVC. One of them is to use the jqGrid MVC Helper, which is a library that simplifies the integration of jqGrid with ASP.NET MVC. It allows you to create jqGrid objects using C# code and render them in your views using HTML helpers. It also handles the communication between the grid and the controller using JSON.


Another way is to use the jqGrid Web API Helper, which is another library that simplifies the integration of jqGrid with ASP.NET Web API. It allows you to create jqGrid objects using C# code and render them in your views using HTML helpers. It also handles the communication between the grid and the Web API controller using JSON.


A third way is to use the jqGrid ASP.NET MVC Wrapper, which is a component that wraps jqGrid in an ASP.NET MVC control. It allows you to create jqGrid objects using C# code and render them in your views using HTML helpers. It also handles the communication between the grid and the controller using JSON.


  • How to use jqGrid with AngularJS?



There are also several ways to use jqGrid with AngularJS. One of them is to use the ng-jqgrid directive, which is an AngularJS directive that wraps jqGrid in an AngularJS component. It allows you to create jqGrid objects using HTML attributes and bind them to your scope variables using AngularJS expressions. It also handles the communication between the grid and the controller using JSON.


Another way is to use the angular-jqgrid directive, which is another AngularJS directive that wraps jqGrid in an AngularJS component. It allows you to create jqGrid objects using HTML attributes and bind them to your scope variables using AngularJS expressions. It also handles the communication between the grid and the controller using JSON.


A third way is to use the angular-ui-jqgrid directive, which is another AngularJS directive that wraps jqGrid in an AngularJS component. It allows you to create jqGrid objects using HTML attributes and bind them to your scope variables using AngularJS expressions. It also handles the communication between the grid and the controller using JSON.


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