title: Insert Html.RenderAction("CartSummary", "ShoppingCart") To Dynamic String?
body: <p>I have dynamic strings, for example</p>
  
  <p><code>hello bold italic {0} xxx {0}yyy {0} etc...</code>,</p>
  
  <p><code>abcd {0} how to xyz {0} newline {0}..etc...</code>,</p>
  
  <p>and more.</p>
  
  <p>How to insert <code>&lt;% Html.RenderAction("CartSummary", "ShoppingCart"); %&gt;</code> to the dynamic string at the <code>{0}</code> position?</p>