<%@ Page Language="C#" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server"></script><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>無標題頁</title></head><body> <form id="form1" runat="server"> <div> <table style="width: 150px; height: 180px"> <tr> <td style="width: 146px" align="center"> <asp:TextBox ID="TextBox1" runat="server" Font-Size="18px" Height="87px" TextMode="MultiLine" Width="131px">1234567823456789</asp:TextBox></td> </tr> <tr> <td style="width: 146px" align="center"> <asp:Button ID="Button1" runat="server" Text="查詢" /></td> </tr> </table> </div> </form> <script language="javascript" type="text/javascript"> document.getElementById("TextBox1").onclick=setk; document.getElementById("TextBox1").onpropertychange=setk1; function setk()
{
//document.getElementById("Button1").setAttribute("disabled",false); document.getElementById("TextBox1").value=""; document.getElementById("TextBox1").style.color="Black";
} function setk1() { var rep=document.getElementById("TextBox1").value; var srep=rep.replace(/ /g,""); if(srep!="")
{
document.getElementById("Button1").setAttribute("disabled",false);
} else { document.getElementById("Button1").setAttribute("disabled",true); } } </script></body></html>
