var list = new List<KeyValuePair<string,int>> {
    new KeyValuePair<string,int>("Misho", 5),
    new KeyValuePair<string,int>("Gosho", 3),
    new KeyValuePair<string,int>("Tako", 9) };

var sorted = from kvp in list
             orderby kvp.Key
             select kvp;
foreach(var kvp in sorted) {
    Console.WriteLine(kvp);
}