<%@ Page Language="C#" AutoEventWireup="True" %> <Script language="C#" runat="server"> void Page_Load(Object Sender,EventArgs e){ int IntStr; string Str; char CharStr; if (!IsPostBack){ Label_1.Text="Please input Number string in TextBox!"; } else{ IntStr=Int32.Parse(Input_1.Value); //字符串型转换成整型 Str=IntStr.ToString(); //整型转换成字符串型 CharStr=Str[1]; //把字符串中的第二个字符赋值给字符型变量 Response.Write(CharStr); } } </Script> <form id="Form_1" runat="server"> <input id="Input_1" type="text" runat="server"/> <input id="Button_1" type="Submit" value="Button" runat="server"/> </form> <asp:label ID="Label_1" runat="server"></asp:label>
|