title: How do I read data from a spreadsheet using the OpenXML Format SDK?
body: <p>I need to read data from a single worksheet in an Excel 2007 workbook using the Open XML SDK 2.0.  I have spent a lot of time searching for basic guidelines to doing this, but I have only found help on creating spreadsheets.</p>
  
  <p>How do I iterate rows in a worksheet and then iterate the cells in each row, using this SDK?</p>