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Resizable ASP.NET Gridview Columns using Jquery

, 14 Apr 2012 CPOL
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This tip explains how to use jQuery's plug-in colResizable to implement client-side column resizing in an ASP.NET GridView.

Introduction

This tip explains how to use jQuery's plug-in colResizable to implement client-side column resizing in an ASP.NET GridView.

Using the Code

In addition to colResizable, I also use Jquery cookie plugin to store columns width in a cookie, so that ASP.NET postback won't reset column width. Now, download and include the jQuery, cookie and colResizable JavaScript files as follows:

<script type="text/javascript" src="scripts/jquery-latest.js"/>
<script src="/Scripts/colResizable-1.3.min.js" type="text/javascript"/>
<script src="/Scripts/jquery.cookie.js" type="text/javascript"/>  

Initialize the table width from cookie and colResizable plugin when the document is ready, using the code below:

$(document).ready(function() 
{ 
    if ($.cookie('colWidth') != null) {
        var columns = $.cookie('colWidth').split(',');
        var i = 0;
        $('.GridViewStyle th').each(function () {
            $(this).width(columns[i++]);
        });
    }
 
    $(".GridViewStyle").colResizable({
        liveDrag: true,
        gripInnerHtml: "<div class='grip'></div>",
        draggingClass: "dragging",
        onResize: onSampleResized
    }); }); 

A callback function onSampleResized will be fired when the user has ended dragging a column anchor altering the previous table layout. It will read columns width and store them in a cookie.

var onSampleResized = function (e) {
    var columns = $(e.currentTarget).find("th");
    var msg = "";
    columns.each(function () { msg += $(this).width() + ","; })
    $.cookie("colWidth", msg);
};  

Here is an ASP.NET Gridview.

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
DataKeyNames="Id" GridLines="None" CssClass="GridViewStyle">
<Columns>
......
...... 
<Columns>
</asp:GridView> 

The final output can be seen here:

Summary

This tip showed how to Resize ASP.NET gridview using Jquery.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Farooq Kaiser
Software Developer (Senior) http://www.Fairnet.com
Canada Canada
12+ years of complete software development life cycle experience for web based applications and multi-tier client-server desktop, primarily using LINQ, WCF, WWF, C#, ASP.NET, XML, XSLT, AJAX, Winforms,Visual Basic, JavaScript, JQuery, Google APIs, C++, VB.NET, C, ATL/COM, Open XML. Extensively involved in the requirement analysis, feasibility study, conceptualization, planning, architecture/design, configuration, development, quality assurance, implementation and release of the software products.

Comments and Discussions

 
QuestionGreat idea! my vote of 5! but little problems on resizing TemplateFields Pinmemberstefan999913-Jun-12 1:47 

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