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  July 29, 2010  
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The second module I developed was called XMLdb.  This modules uses the "For XML" functionality of T-SQL along with power of XLST to provide some awesome results. 

Recently, I rewrote a good portion of XMLdb to utilitize the revised ASP.NET V2.0 XML routines.  Sadly, the existing module as still using the ASP.NET V1.0 methods, so the module was in need of some TLC. 

To demostrate the power of the module, I developed an Paging Example using the Northwind database and the Customer table.  While implementing paging is simple using the various grids, typically the performance suffers when the database table is larger.  In most cases the entire table must be returned from the database the the grid selects the disired records for display ... all the other records are unused.  On a 1,000,000 row table -- this can hurt performace especially if this is done several times as the user pages through the data.  However there are alternatives, and this demostration illustrates such an alternative.

You can read about the demostration here, see it in action here, or download the sample code and modules here

Hope you enjoy this version of paging.
Paul.

 

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Ever wondered...

How can I display an EXCEL Spreadsheet in DotNetNuke?

I have been asked this question several times in the last few weeks and have seen the same question posted in the forums too.  The answer is rather straight forward and the work is mostly done by Microsoft.  But there is always a catch.  In most causes, it's view only! Also, the syntax to extract the data is a special version of T-SQL, so there are some limits. 

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