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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
namespace PromTest
{
class Program
{
static void Main(string[] args)
{
DataSet ds = new DataSet();
DataTable table = new DataTable("tab1");
ds.Tables.Add(table);
table.Columns.Add(new DataColumnEx() { ItemCategory = "测试" });
BinSerialize(ds);
object obj= BinDeserialize();
if (((DataSet)obj).Tables[0].Columns[0] is DataColumnEx)
{
Console.WriteLine((((DataSet)obj).Tables[0].Columns[0] as DataColumnEx).ItemCategory);
}
Console.Read();
}
static void BinSerialize(object info)
{
using (Stream stream = new FileStream("a.bin", FileMode.Create, FileAccess.Write))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(stream, info);
}
}
static object BinDeserialize()
{
using (Stream stream = new FileStream("a.bin", FileMode.Open, FileAccess.Read))
{
BinaryFormatter bf = new BinaryFormatter();
return bf.Deserialize(stream);
}
}
}
public class DataColumnEx : DataColumn
{
public string ItemCategory
{ get; set; }
}
}