title: How can GroupBy ILIST<>
body: <p>I have a the following query but showing error. how can GroupBy ? </p>
  
  <pre><code>IList&lt;tbl_roadmapautomation&gt; allproductdata = _context.tbl_roadmapautomation.GroupBy(p=&gt;p.Stream).ToList(); 
  </code></pre>
  
  <p>Here "Stream" is a column name which i want to GroupBy.</p>
  
  <p>ERROR: Cannot implicitly convert type 'System.Collections.Generic.List>' to 'System.Collections.Generic.IList'. 
  An explicit conversion exists (are you missing a cast?)</p>
  
  <p>Please suggest me how can solve this error.Advance thanks for the help.</p>