get distinct values from list of string c# using linq code example

Example 1: how to use distinct in linq query in c#

var distValues = objList.Select(o=>o.typeId).Distinct().ToList();

Example 2: c# get distinct values all fields from list

if (!IsPostBack) {  
       GridView1.DataSource = GetProducts()
                              .GroupBy(o => new { o.Make, o.Model })
                              .Select(o => o.FirstOrDefault());
       GridView1.DataBind();
}