using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Script.Serialization;
    
 
 
public class DateTimeConverter : JavaScriptConverter
    {
        public override object Deserialize(IDictionary<string, object> dictionary, Type type, JavaScriptSerializer serializer)
        {
            return new JavaScriptSerializer().ConvertToType(dictionary, type);
        }
 
        public override IDictionary<string, object> Serialize(object obj, JavaScriptSerializer serializer)
        {
            if (!(obj is DateTime))
            {
                return null;
            }
            return new CustomString(((DateTime)obj).ToString("yyyy-MM-dd HH:mm:ss"));
        }
 
        public override IEnumerable<Type> SupportedTypes
        {
            get
            {
                return new[] { typeof(DateTime) };
            }
        }
 
        private class CustomString : Uri, IDictionary<string, object>
        {
            public CustomString(string str) : base(str, UriKind.Relative)
            {
            }
 
            void IDictionary<string, object>.Add(string key, object value)
            {
                throw new NotImplementedException();
            }
 
            bool IDictionary<string, object>.ContainsKey(string key)
            {
                throw new NotImplementedException();
            }
 
            ICollection<string> IDictionary<string, object>.Keys
            {
                get
                {
                    throw new NotImplementedException();
                }
 
            }
 
            bool IDictionary<string, object>.Remove(string key)
            {
                throw new NotImplementedException();
            }
 
 
            bool IDictionary<string, object>.TryGetValue(string key, out object value)
            {
                throw new NotImplementedException();
 
            }
 
            ICollection<object> IDictionary<string, object>.Values
            {
 
                get
                {
                    throw new NotImplementedException();
                }
 
            }
 
            object IDictionary<string, object>.this[string key]
            {
                get
                {
                    throw new NotImplementedException();
                }
                set
                {
                    throw new NotImplementedException();
                }
            }
 
            void ICollection<KeyValuePair<string, object>>.Add(KeyValuePair<string, object> item)
            {
                throw new NotImplementedException();
            }
 
            void ICollection<KeyValuePair<string, object>>.Clear()
            {
                throw new NotImplementedException();
            }
 
            bool ICollection<KeyValuePair<string, object>>.Contains(KeyValuePair<string, object> item)
            {
 
                throw new NotImplementedException();
 
            }
 
            void ICollection<KeyValuePair<string, object>>.CopyTo(KeyValuePair<string, object>[] array, int arrayIndex)
            {
                throw new NotImplementedException();
 
            }
 
            int ICollection<KeyValuePair<string, object>>.Count
            {
                get
                {
                    throw new NotImplementedException();
                }
            }
 
            bool ICollection<KeyValuePair<string, object>>.IsReadOnly
            {
                get
                {
                    throw new NotImplementedException();
                }
            }
 
            bool ICollection<KeyValuePair<string, object>>.Remove(KeyValuePair<string, object> item)
            {
                throw new NotImplementedException();
            }
 
            IEnumerator<KeyValuePair<string, object>> IEnumerable<KeyValuePair<string, object>>.GetEnumerator()
            {
                throw new NotImplementedException();
            }
 
            IEnumerator IEnumerable.GetEnumerator()
            {
                throw new NotImplementedException();
            }
        }
    }