根据这段代码,自己编写了一个小程序作为代码资料参考,方便以后可以直接拿来用,不需要网上找。如果你觉得还不错的话,就把它收藏起来吧!
1.前台代码:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head runat = "server" >
< title >数组删除重复值</ title >
</ head >
< body >
< form id = "form1" runat = "server" >
< div >
数组删除前:
< asp:Label ID = "lblResult1" runat = "server" ></ asp:Label >
< br />
数组删除后:
< asp:Label ID = "lblResult2" runat = "server" ></ asp:Label >
</ div >
</ form >
</ body >
</ html >
|
2.后台代码:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections; //引用
public partial class NetObjects_数组_删除重复值 : System.Web.UI.Page
{
protected void Page_Load( object sender, EventArgs e)
{
string strNum = "168,145,150,148,333,888,666,168,144" ;
//输出原数组
lblResult1.Text = strNum;
string [] arrNum = strNum.Split( ',' );
ArrayList al = new ArrayList();
for ( int i = 0; i < arrNum.Length; i++)
{
//判断数组值是否已经存在
if (al.Contains(arrNum[i]) == false )
{
al.Add(arrNum[i]);
}
}
//把ArrayList转换数组
arrNum = new string [al.Count];
arrNum = ( string [])al.ToArray( typeof ( string ));
//输出删除后数组
string result = "" ;
for ( int j = 0; j < arrNum.Length; j++)
{
if (j != 0)
{
result += "," ;
}
result += arrNum[j];
}
lblResult2.Text = result;
}
}
|
3.最终输出效果:
以上就是关于ASP.NET数组删除重复值的实现方法,希望对大家的学习有所帮助。