WebForm2.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="WebApplication5.WebForm2" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>C#.NET 字符串转数组,数组转字符串</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
WebForm2.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication5
{
public partial class WebForm2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string str = "1,2,3,4,5,6,7";
string[] strArray = str.Split(','); //字符串转数组
Response.Write("字符串转数组<br/>");
Response.Write("数组下标为1的值:"+strArray[1]+ "<br/>");
str = string.Empty;
str = string.Join(",", strArray);//数组转成字符串
Response.Write("<p>数组转成字符串</p>");
Response.Write(str);
}
}
}