c# list get unique values code example
Example 1: unique items in list c#
var uniqueItemsList = yourList.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();
}