Setting a DataGrid control’s data provider to an XML object in Flex

By Peter deHaan On November 5, 2008 · 6 Comments

The following example shows how you can use an XML object as a data provider for a Flex DataGrid control and use a custom label function to display the XML node’s name.

Full code after the jump.

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Creating a custom sort on a DataGrid control in Flex

By Peter deHaan On April 9, 2008 · 6 Comments

The following example shows how you can create a custom sort on a Flex DataGrid control by using the SortField class and creating a custom compare function.

Full code after the jump.

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Performing case [in]sensitive sorts using the DataGrid control in Flex

By Peter deHaan On March 7, 2008 · Leave a Comment

The following example shows how you can perform numeric sorts, case sensitive sorts, or case insensitive sorts in the Flex DataGrid control by setting a custom sort compare function on the DataGridColumn using the sortCompareFunction property, the static ObjectUtil.numericCompare() method, and the static ObjectUtil.stringCompare() method.

Full code after the jump.

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Formatting a Flex DataGrid control using a custom item renderer

By Peter deHaan On August 20, 2007 · 48 Comments

The following example formats a column in a Flex DataGrid and uses a custom item renderer to color the text red in a cell if a price is below $0. If the item is greater than $0, the test is displayed in black. The price column is also formatted using a custom label function, which [...]

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Sorting date columns in a DataGrid

By Peter deHaan On August 12, 2007 · 38 Comments

Here’s an example of sorting a column of dates in a Flex DataGrid. The dates start out as Strings (such as “04/14/1980″) so you create a custom sortCompareFunction on that DataGrid column which converts the strings to dates so Flex will sort the dates in sequential order (as oppsed to string order). Hope that helps [...]

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Loading XML at run-time using the mx:HTTPService tag

By Peter deHaan On July 27, 2007 · 15 Comments

In the previous post we looked at how to load an XML document in at compile-time and have it embedded in our Flex application. But that technique really only works if the XML data in question never changes. What if you had an XML document that was constantly changing on a daily, or hourly, basis. [...]

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Displaying XML data in a DataGrid

By Peter deHaan On July 26, 2007 · 33 Comments

OK, hopefully this example is a bit more interesting than a few of my previous ones. Today’s handy tip comes in the form of loading and embedding an XML file in our Flex application at compile-time (as opposed to dynamically loading at run-time, which we’ll save for a future example), and displaying that information in [...]

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