​In Designer I have created a Data View on a Web Part Zone. When i run the page in the browser and try to export the list to excel I only get two columns(item type & Path). My list has many more columns than this. Does anyone have an explination for this? I have been working on this for awhile with no luck. Here is the tutorial i used to create this:

http://office.microsoft.com/en-us/sharepoint-designer-help/add-a-sharepoint-list-toolbar-to-a-data-view-HA010244828.aspx

Please Help