C#Adding a second operation to Array List Where Clause

How can I add a second operation to the List Array where clause below?  

var FilteredProducts = sortedProductDetails.Where(i => i.value1 == li.Text).FirstOrDefault();

Need to do something like this:
var FilteredProducts = sortedProductDetails.Where(i => i.value1 == li.Text  && i.attributetitle = "Description").FirstOrDefault();
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Franck GaspozSoftware Architect, Technical ExpertCommented:
You can do it, juste replace the single = by two ones in the second comparison :
var FilteredProducts = sortedProductDetails.Where(i => i.value1 == li.Text  && i.attributetitle == "Description").FirstOrDefault(); 

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You can shorten it even further by just specifying the conditional in the FirstOrDefault method:
var FilteredProducts = sortedProductDetails.FirstOrDefault(i => i.value1 == li.Text  && i.attributetitle == "Description");

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