[Serializable()]
    [System.Xml.Serialization.XmlRoot("ShemaContainer")]
    public class Shema
    {
        [XmlAttribute("Id")]
        public int Id { get; set; }
        [XmlAttribute("Name")]
        public String Name { get; set; }
    }

    public class ShemaContainer
    {
        [XmlArray("Data"), XmlArrayItem("Item")]
        public List<Shema> shemaList { get; set; }
    }

        public static T Deserialize<T>(string path)
        {
            if (string.IsNullOrEmpty(path)) return default(T);

            TextReader reader = File.OpenText(path);
            //StreamReader reader = new StreamReader(path);
            reader.ReadToEnd();
            System.Xml.Serialization.XmlSerializer serializer = new System.Xml.Serialization.XmlSerializer(typeof(T));
            return (T)serializer.Deserialize(reader);
        }

ShemaContainer shemaList = new ShemaContainer();
shemaList= Deserialize<ShemaContainer>(filename);