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How To Conditionally Show ListViewByQuery On Custom Page

Posted By:      Posted Date: August 26, 2010    Points: 0   Category :SharePoint
 

I would like to only show a ListViewByQuery control on a custom page if the query contains some data. Currently if the query returns no data it is still rendered on the page with the comment "There are no items to show in this view".

The following code is my query code:

querySM.ViewFields = "<FieldRef Name='AssignedTo'/>" +
                  "<FieldRef Name='RequestSMReviewerComments' />" +
                  "<FieldRef Name='WorkflowOutcome' />";

        sQueryStr = "<Where>" +
                 "<And>" +
                  "<IsNotNull>" +
                   "<FieldRef Name='RequestSMReviewerComments' />" +
                  "</IsNotNull>" +
                  "<Eq>" +
                   "<FieldRef Name='WorkflowInstanceID' />" +
                    

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