Posts tagged: css

WebHierarchicalDatagrid: Sys.ArgumentException: Cannot deserialize on Row Expand

By , 08/04/2011 4:53 PM

I have been using WebHierarchicalDataGrid with manual load on demand bands with a pretty good success until I hit this snag.

The WHDG has correctly displayed HTML fields before, but this time a column with HTML data (an HREF link to be precise) is needed as one of the grid’s DataKeyFields to provide uniqueness of the row:

WHDG with HTML column Continue reading 'WebHierarchicalDatagrid: Sys.ArgumentException: Cannot deserialize on Row Expand'»

Infragistics WebDataMenu CSOM addItem/removeItem workaround

By , 02/24/2011 2:01 PM

Infragistics Aikido WebDataMenu control has extensive (albeit poorly documented) client-side library of classes, method and properties. 2 methods addItem and removeItem supposedly allow you to add/remove menu items in JavaScript. These methods have been public since 9.2 release probably even earlier, but have a lot of drawbacks, one of the major ones – for every method call an AJAX call to server is made, which slows performance dramatically, breaks code flow and won’t let you set properties of newly added item.

Method described below is a bit of a hack, but it works purely client-side, no slow round trips, no waiting for AJAX call to return and you have full control of all menu items. Continue reading 'Infragistics WebDataMenu CSOM addItem/removeItem workaround'»

Improved Auto-size columns for Infragistics WebHierarchicalDataGrid

By , 02/15/2011 11:04 AM

In the previous post I described a method to automatically resize columns for Infragistics grid control. It works (most of the times) for flat WebDataGrid, but if you try same approach with WebHierarchicalDataGrid – it will fail for child bands.

Lets review what we’re trying to accomplish. A grid column should automatically resize to whichever is wider: either size of widest data in a column cell, or size of column header’s caption.

First is accomplished by not setting column width explicitly and by setting white-space attribute of cell’s style to nowrap. It can be done by either opening grid CSS class file located at ~/ig_res/[Your Style Name]/ig_dataGrid.css, locate tbody.igg_[Your Style Name]Item>tr>td class and add one more line at the end: white-space:nowrap. Here is an example with Office 2007 Style:

tbody.igg_Office2007BlueItem>tr>td
{
	background-color:White;
	border-right:solid 1px #D0D7E5;
	border-bottom:solid 1px #D0D7E5;
	padding:2px 5px 2px 5px;
	height: 18px;
	overflow: hidden;
	text-align:left;
	vertical-align:middle;
	white-space:nowrap;
}

Or (if you don’t want to touch original style) same can be achieved by *CssClass properties exposed by the grid.

Second (resizing column to header’s caption width, if it is wider then cells’ data) is a bit tricker. Continue reading 'Improved Auto-size columns for Infragistics WebHierarchicalDataGrid'»

Auto-size columns in Infragistics WebDataGrid

By , 11/15/2010 3:52 PM

Ever wished your WebDataGrid could have Table Layout = Auto like old UltraWebGrid? Then it could automatically resize columns width to data width with respect line breaks. Well, it can, and in style (pan intended). Thanks to Infragistics tech-support for starting me in the right direction – here’s first 2 steps that need to be taken:

  1. Don’t set column width property – either default or for specific column either in server-side code or declaratively and don’t set grid’s width property
  2. Open your grid CSS class file, it’s located at ~/ig_res/[Your Style Name]/ig_dataGrid.css.
    Locate tbody.igg_[Your Style Name]Item>tr>td class and add one more line at the end: white-space:nowrap. Here is an example with Office 2007 Style:

    tbody.igg_Office2007BlueItem>tr>td
    {
    	background-color:White;
    	border-right:solid 1px #D0D7E5;
    	border-bottom:solid 1px #D0D7E5;
    	padding:2px 5px 2px 5px;
    	height: 18px;
    	overflow: hidden;
    	text-align:left;
    	vertical-align:middle;
    	white-space:nowrap;
    }

Run your project – you will get a nicely autoresized grid columns:

WebDataGrid with autosized columns

But there’s one problem with this approach. Continue reading 'Auto-size columns in Infragistics WebDataGrid'»

Ultrawebgrid: Highlight row on MouseOver with Selection enabled

By , 08/09/2010 12:38 PM

A while back I posted a method to highlight rows on mouse over in Infragistics UltraWebGrid. Over the time turned out that it had several limitations the main being: if you enable additional styling for some elements of the grid, they’re not preserved after mouse-over/mouse-out events. For example if you set a SelectedRowStyleDefault property with a different background and then move mouse over a selected row – that style will be removed.

So, here’s a complete solution to work around that limitation: Continue reading 'Ultrawebgrid: Highlight row on MouseOver with Selection enabled'»

UltraWebGrid does not display last column’s right border (solution)

By , 08/03/2010 10:58 AM

If you’re using Infragistics UltraWebGrid and experienced an odd behavior where the grid does not display the right-most vertical border line – there’s a workaround.

By default 2 elements contribute to the grid border – border from RowStyleDefault property and border from FrameStyle property. For some reason IE6/7 (yes, some people still use those) do not render the right border of the last column, even though all 3 properties (BorderColor, BorderStyle and BorderWidth) are set. So the solution is to have FrameStyle lend that border:

  1. Expand RowStyleDefault -> BorderDetails property and set StyleRight to None – this is done, so the double border won’t render in IE8 and other browsers where the border is displayed correctly in the first place
  2. Expand FrameStyle -> BorderDetails property and set ColorRight, StyleRight and WidthRight properties to the desired color, style and width (e.g. LightGray, Solid, 1px)

As a result, the right border is displayed correctly in all versions of IE.

Easy rounded corners in pure HTML/CSS

By , 08/13/2009 9:44 PM

Rounded corners add nice touch to look and feel of a Web Page. User interface that employs rounded corners looks more streamlined, more ergonomic. Often to achieve that effect images are used, but this approach doesn’t allow quick style update and has other issues. Fortunately there is another way:

Compare 2 following DIVs:


First uses pretty basic CSS/HTML:

<style type="text/css">
.normal
{
    border: solid 1px blue;
    background-color:yellow;
    height:100px;
    width:200px
}
</style>

<div style="text-align:center">
    <div class="normal">
</div>

Let’s take a closer look at the second: Continue reading 'Easy rounded corners in pure HTML/CSS'»

Setting DOM element height and width thru style in IE and Firefox

By , 07/09/2009 12:44 PM

I was using a pretty standard line of JavaScript code to set dimentions of an HTML element, something like:

oDiv.style.height = iWindowHeight/2 - 50;

It was working fine in IE, but had no effect whatsoever in Firefox.
Turned out all that was needed – to add ‘px’ to that line:

oDiv.style.height = iWindowHeight/2 - 50 + 'px';

and it works fine in both browsers.

Styling elements of Infragistics UltraWebGrid with CSS Classes

By , 09/26/2008 11:12 AM

When I needed to modify background of Infragistics GroupByRow element using CSS class from an external stylesheet I thought – no problem. Link stylesheet to the page, modify grid’s property GroupByRowStyleDefault by setting CssClass:

before

And that should do it. Well, it didn’t work, the background hasn’t changed so I looked at page HTML source.

Continue reading 'Styling elements of Infragistics UltraWebGrid with CSS Classes'»

removeChild, SSL and Infragistics WebHtmlEditor

By , 01/30/2008 3:05 PM

I was working with Infragistics WebHtmlEditor control, and on client side it was being moved around by appendChild, removeChild DOM methods. All worked fine until I tried it over SSL connection. Immediatly removeChild method cause Secure/Unsecure waring.  Digging a bit I found that it was an IE bug. According to Microsoft this problem occurs if the Web page script calls the removeChild method to delete a DIV element that references a background image, and they suggest either to set outerHTML of the DIV to an emtpy string (which I think is dumb if you still need to use element you removed), but their second solution to move background-image declaration into an external CSS class actually works. In reality this problem occurs not only with DIVs but with any HTML element with background image in its inline style. In my case WebHtmlEditor rendered itself as an HTML table and its cells had background-image specified. The control itself didn’t have corresponding images set, but its UseDefaultStyles property was set to BackrgoundImages – which resulted in rendered styles with background images. To apply modified Microsoft’s solution I set this property to None, then segregated background image into a separate class:

.HTML_EDITOR
{

background-image:URL(ig_common/images/htmleditor/backimagerow.gif)
}
and used that class in Toolbar and TabStrip CSSClass properties. Worked like a charm.

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