title: How to page break after specific Grouped record(Suppose 6) in rdlc?
body: <p>I have a 3 level grouped Table and want to page break when the size of group cross the 6.</p>
  
  <p>I used parent group with sort expression like </p>
  
  <pre><code>System.Math.Ceiling((RowNumber(Nothing)-1)/6)+1
  </code></pre>
  
  <p>But its giving an error </p>
  
  <pre><code>The definition of the report 'D:\WebServicesDemo\VStM\VStM\RdlcReports\ListUser.rdlc' is invalid.
  A sort expression for tablix ‘Tablix4’ uses the RowNumber function. RowNumber cannot be used in sort expressions.
  </code></pre>
  
  <p>I only want to break page after 6 record. so how can i achieve this.</p>
  
  <p>My grouping image is </p>
  
  <p><img src="https://s29.postimg.org/k1veoj0qf/Capture.jpg" alt="Grouping for page breaking"></p>