string.aspx

ajax实例,可以了解ajax的原理

<%@ Page Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="String.aspx.cs"
    Inherits="ClientScripting_TypeExtensions_String" Title="String Type Extensions" %>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">

    <script type="text/javascript">
    
    var a = " abc ";

    // 同 C#
    document.write(a.startsWith("a"));
    document.write(" ");
    document.write(a.endsWith("c"));
    document.write("<br />");
    
    a = a.trimStart();
    document.write(a.startsWith("a"));
    document.write("<br />");

    a = a.trimEnd();
    document.write(a.endsWith("c"));
    document.write("<br />");
    
    a = " " + a + " ";
    a = a.trim();
    document.write(a.startsWith("a"));
    document.write(" ");
    document.write(a.endsWith("c"));
    document.write("<br />");
    
    var user = 
    {
        Name: "webabcd",
        Birthday: new Date(1980, 2, 14)
    };
    
    // String.localeFormat();
    document.write(String.format("Name：{0}，Birthday：{1:yyyy-MM-dd}", user.Name, user.Birthday));
    document.write("<br />");
    
    
    // 自定义格式化的实现
    Type.registerNamespace('Demo');
    
    Demo.CustomFormattedString = function() 
    {
    
    }
    Demo.CustomFormattedString.prototype = 
    {
        // 实现toFormattedString方法，从而实现自定义格式化
        toFormattedString: function(format) 
        {
            return "自定义格式化：" + format;
        }
    }
    Demo.CustomFormattedString.registerClass('Demo.CustomFormattedString');

    document.write(String.format("{0:测试信息}", new Demo.CustomFormattedString()));   
              
    </script>

</asp:Content>