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C# code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Value_Ref_test1
{
class Program
{
static void Main(string[] args)
{
point a = new point (10,10) ;
point b = a;
a.x = 20;
Console.WriteLine(a.x);
Console.WriteLine(b.x);
}
}
public class point
{
public int x;
public int y;
public point(int Xvalue,int Yvalue)
{
this.x = Xvalue;
this.y = Yvalue;
}
}
}
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C# code
string a ="123";
string b = a;
b = "321";
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C# code
Random a = new Random();
string b = a.Next().ToString();
string c = b;
Console.WriteLine("b={0}",b);
Console.WriteLine("c={0}", c);
c = a.Next().ToString();
Console.WriteLine("b={0}", b);
Console.WriteLine("c={0}", c);
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DataView dv = ds.Tables[0].DefaultView;
//dv.RowFilter = "State=0";
this.DropDownList1.DataSource = dv;
this.DropDownList1.DataTextField = "text";
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    public class People
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c# Ö§³ÖXMLÐòÁл¯µÄ·ºÐÍ Dictionary

/// <summary>
/// Ö§³ÖXMLÐòÁл¯µÄ·ºÐÍ Dictionary
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
[XmlRoot("SerializableDictionary")]
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