List To Datatable

/// <summary>
        /// Convert a List{T} to a DataTable.
        /// </summary>
        public static DataTable ToDataTable<T>(this IList<T> items)
        {
            var tb = new DataTable(typeof(T).Name);
 
            PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public
   | BindingFlags.Instance);
 
            foreach (PropertyInfo prop in props)
            {
                Type t = GetCoreType(prop.PropertyType);
                tb.Columns.Add(prop.Name, t);
            }
 
            foreach (T item in items)
            {
                var values = new object[props.Length];
 
                for (int i = 0; i < props.Length; i++)
                {
                    values[i] = props[i].GetValue(item, null);
                }
 
                tb.Rows.Add(values);
            }
 
            return tb;
        }
 
        /// <summary>
        /// Determine of specified type is nullable
        /// </summary>
        public static bool IsNullable(Type type)
        {
            return !type.IsValueType || (type.IsGenericType && 
   type.GetGenericTypeDefinition() == typeof(Nullable<>));
        }
 
        /// <summary>
        /// Return underlying type if type is Nullable otherwise return the type
        /// </summary>
        public static Type GetCoreType(Type type)
        {
            if (type != null && IsNullable(type))
            {
                if (!type.IsValueType)
                {
                    return type;
                }
                else
                {
                    return Nullable.GetUnderlyingType(type);
                }
            }
            else
            {
                return type;
            }
        }