/// <summary>
/// Serializes the given value by calling .ToString(). If the value is null, the key is removed.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="name"></param>
/// <param name="val"></param>
/// <returns></returns>
public TK SetAsString <T>(string name, T val) where T : class
{
return((TK)NameValueCollectionExtensions.SetAsString(this, name, val));
}