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分享一个简单的图片显示问题
我有一张图片abc.jpg,放在IMAGE控件上,当我改变ab.jpg后,为什么IMAGE控件上显示的还是原来的图片.
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树猫 2003-10-09
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<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="FuncTest.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<script>
function img()
{
document.all.pic.src="back_top.gif"
}
</script>
</HEAD>
<body MS_POSITIONING="GridLayout" onload="fload()">
<form id="Form1" method="post" runat="server">
</FONT><IMG id="pic" style="Z-INDEX: 101; LEFT: 8px; WIDTH: 101px; POSITION: absolute; TOP: 8px; HEIGHT: 92px" height="92" alt="" src="arrow.gif" width="101">
<INPUT style="Z-INDEX: 102; LEFT: 124px; POSITION: absolute; TOP: 66px" type="button" value="Button" onclick="img()">
</form>
</body>
</HTML>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<script>
function img()
{
document.all.pic.src="back_top.gif"
}
</script>
</HEAD>
<body MS_POSITIONING="GridLayout" onload="fload()">
<form id="Form1" method="post" runat="server">
</FONT><IMG id="pic" style="Z-INDEX: 101; LEFT: 8px; WIDTH: 101px; POSITION: absolute; TOP: 8px; HEIGHT: 92px" height="92" alt="" src="arrow.gif" width="101">
<INPUT style="Z-INDEX: 102; LEFT: 124px; POSITION: absolute; TOP: 66px" type="button" value="Button" onclick="img()">
</form>
</body>
</HTML>
树猫 2003-10-09
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你怎么改变的？是否方法欠妥
aoyo 2003-10-09
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刷新一下页面
