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GridviewFix jQuery plugin

, 11 Oct 2011
GridviewFix is a helper jQuery plugin that solves the compatibility problem in between .NET Gridview and dataTable plugin.
GridviewFixPlugin.zip
GridviewFixPlugin
App_Data
Datatables
media
css
images
back_disabled.jpg
back_enabled.jpg
favicon.ico
forward_disabled.jpg
forward_enabled.jpg
sort_asc.png
sort_asc_disabled.png
sort_both.png
sort_desc.png
sort_desc_disabled.png
Sorting icons.psd
Thumbs.db
js
jquery.dataTables.min.js.gz
unit_testing
performance
templates
tests
1_dom
tests_onhold
1_dom
2_js
3_ajax
4_server-side
5_ajax_objects
6_delayed_rendering
// DATA_TEMPLATE: empty_table
oTest.fnStart( "bAutoWidth" );

/* It's actually a little tricky to test this. We can't test absolute numbers because
 * different browsers and different platforms will render the width of the columns slightly
 * differently. However, we certainly can test the principle of what should happen (column 
 * width doesn't change over pages)
 */

$(document).ready( function () {
	/* Check the default */
	var oTable = $('#example').dataTable( {
		"bServerSide": true,
		"sAjaxSource": "../../../examples/server_side/scripts/server_processing.php"
	} );
	var oSettings = oTable.fnSettings();
	
	oTest.fnWaitTest( 
		"Auto width is enabled by default",
		null,
		function () { return oSettings.oFeatures.bAutoWidth; }
	);
	
	oTest.fnWaitTest( 
		"First column has a width assigned to it",
		null,
		function () { return $('#example thead th:eq(0)').attr('style').match(/width/i); }
	);
	
	/*
	This would seem like a better test - but there appear to be difficulties with tables
	which are bigger (calculated) than there is actually room for. I suspect this is actually
	a bug in datatables
	oTest.fnWaitTest( 
		"Check column widths on first page match second page",
		null,
		function () {
			var anThs = $('#example thead th');
			var a0 = anThs[0].offsetWidth;
			var a1 = anThs[1].offsetWidth;
			var a2 = anThs[2].offsetWidth;
			var a3 = anThs[3].offsetWidth;
			var a4 = anThs[4].offsetWidth;
			$('#example_next').click();
			var b0 = anThs[0].offsetWidth;
			var b1 = anThs[1].offsetWidth;
			var b2 = anThs[2].offsetWidth;
			var b3 = anThs[3].offsetWidth;
			var b4 = anThs[4].offsetWidth;
			console.log( a0, b0, a1, b1, a2, b2, a3, b3 );
			if ( a0==b0 && a1==b1 && a2==b2 && a3==b3 )
				return true;
			else
				return false;
		}
	);
	
	oTest.fnWaitTest( 
		"Check column widths on second page match thid page",
		null,
		function () {
			var anThs = $('#example thead th');
			var a0 = anThs[0].offsetWidth;
			var a1 = anThs[1].offsetWidth;
			var a2 = anThs[2].offsetWidth;
			var a3 = anThs[3].offsetWidth;
			var a4 = anThs[4].offsetWidth;
			$('#example_next').click();
			var b0 = anThs[0].offsetWidth;
			var b1 = anThs[1].offsetWidth;
			var b2 = anThs[2].offsetWidth;
			var b3 = anThs[3].offsetWidth;
			var b4 = anThs[4].offsetWidth;
			if ( a0==b0 && a1==b1 && a2==b2 && a3==b3 )
				return true;
			else
				return false;
		}
	);
	*/
	
	/* Check can disable */
	oTest.fnWaitTest( 
		"Auto width can be disabled",
		function () {
			oSession.fnRestore();
			oTable = $('#example').dataTable( {
				"bServerSide": true,
		"sAjaxSource": "../../../examples/server_side/scripts/server_processing.php",
				"bAutoWidth": false
			} );
	 		oSettings = oTable.fnSettings();
		},
		function () { return oSettings.oFeatures.bAutoWidth == false; }
	);
	
	oTest.fnWaitTest( 
		"First column does not have a width assigned to it",
		null,
		function () { return $('#example thead th:eq(0)').attr('style') == null; }
	);
	
	/*
	oTest.fnWaitTest( 
		"Check column widths on first page do not match second page",
		null,
		function () {
			var anThs = $('#example thead th');
			var a0 = anThs[0].offsetWidth;
			var a1 = anThs[1].offsetWidth;
			var a2 = anThs[2].offsetWidth;
			var a3 = anThs[3].offsetWidth;
			var a4 = anThs[4].offsetWidth;
			$('#example_next').click();
			var b0 = anThs[0].offsetWidth;
			var b1 = anThs[1].offsetWidth;
			var b2 = anThs[2].offsetWidth;
			var b3 = anThs[3].offsetWidth;
			var b4 = anThs[4].offsetWidth;
			if ( a0==b0 && a1==b1 && a2==b2 && a3==b3 )
				return false;
			else
				return true;
		}
	);
	*/
	
	/* Enable makes no difference */
	oTest.fnWaitTest( 
		"Auto width enabled override",
		function () {
			oSession.fnRestore();
			oTable = $('#example').dataTable( {
				"bServerSide": true,
		"sAjaxSource": "../../../examples/server_side/scripts/server_processing.php",
				"bAutoWidth": true
			} );
	 		oSettings = oTable.fnSettings();
		},
		function () { return oSettings.oFeatures.bAutoWidth; }
	);
	
	
	oTest.fnComplete();
} );

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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

Rupesh Kumar Tiwari
Software Developer (Senior)
United States United States

I am a Senior Software Developer working since 2005 in Microsoft ASP.Net and related Technologies.

I work on C#, Asp.Net, MVC, RAZOR, Entity Framework, JavaScript, jQuery, HTML5, CSS3, WCF, Silverlight, WPF, MVVM, SQL, SSIS, etc. Did Function Point Analysis, WBS to estimate projects and worked on Agile Scrum team.

I enjoy on exploring new technologies by implementing and writing about them, great interest in learning Design Patterns and their implementations. I love learning, writing JavaScript; now my favorite JavaScript library is jQuery. I enjoy writing jQuery Plugins and core JavaScript. I also write Technical blogs here. You can find me on LinkedIn.

I wrote an article on Swami Vivekananda posted his audio speeches by reading them.

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Web03 | 2.8.140814.1 | Last Updated 11 Oct 2011
Article Copyright 2011 by Rupesh Kumar Tiwari
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