How to create a query with a sub query in the Web API Search.

sub-queries.cs

@using Contensis.Framework.Web
@using Contensis.Framework.Web.Search
   
<h1>Simple Search</h1>
   
@{
    var query = Query.Where("Property_Path").StartsWith("/Products/Books/").OrSubQuery(
        SubQuery.Where("Property_Path").StartsWith("/Products/DVDs/").And("MD_ShowInListing").IsEqualTo("1")
    );
  
    var nodes = new NodeFinder().Find(query);
}
   
<ul>
    @foreach(var node in nodes)
    {
        <li>@node.Title</li>
    }
</ul>