ASP.NET两个页面传递值的实现
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创建三个aspx文件:TestTransferValue.aspx(父页面)、TestShowModalDialog.aspx(测试window.showModalDialog()方法传递值的子页面)和TestOpen.aspx(测试window.open()方法传递值的子页面)。
下面是三个页面的aspx文件的HTML脚本,至于相应的.aspx.cs文件内容可以不做任何改动。
这是TestOpen.aspx文件的HTML脚本:
<%@ Page language="c#" Codebehind="TestOpen.aspx.cs" AutoEventWireup="false" Inherits="Camus.TestOpen" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Test Open</title >
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<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 CreateReturnValue(closeWindow)
{
var txtReturnValue=document.getElementById("txtReturnValue");
if (txtReturnValue.value=="")
{
window.alert("请输入传递值");
return ;
}
var txtOpenerReturnValue=window.opener.document.getElementById("txtReturnValue");
txtOpenerReturnValue.value=txtReturnValue.value;
window.alert("值已经传给父窗体");
if (closeWindow)
{
window.opener=null;
window.close();
}
}
</script>
</HEAD>
<body>
<form id="frmTestOpen" method="post" runat = "server">
返回值:<INPUT type="text" id="txtReturnValue" name = "txtReturnValue">
<INPUT type="button" value="不关闭页面并返回输入的值" onclick = "CreateReturnValue(false);"><br>
<INPUT type="button" value="关闭页面并返回输入的值" onclick = "CreateReturnValue(true);">
</form>
</body>
</HTML>
这是TestShowModalDialog.aspx文件的HTML脚本:
<%@ Page language="c#" Codebehind="TestShowModalDialog.aspx.cs" AutoEventWireup="false" Inherits="Camus.TestShowModalDialog" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Test ShowModalDialog</title >
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<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 CreateReturnValue(closeWindow)
{
var txtReturnValue=document.getElementById("txtReturnValue");
if (txtReturnValue.value=="")
{
window.alert("请输入返回值");
return ;
}
returnValue=txtReturnValue.value;
window.close();
}
</script>
</HEAD>
<body>
<form id="frmTestShowModalDialog" method="post" runat = "server">
返回值:<INPUT type="text" id="txtReturnValue" name = "txtReturnValue">
<INPUT type="button" value="关闭页面并返回输入的值" onclick = "CreateReturnValue();">
</form>
</body>
</HTML>
这是TestTransferValue.aspx文件的HTML脚本:
<%@ Page language="c#" Codebehind="TestTransferValue.aspx.cs" AutoEventWireup="false" Inherits="Camus.TestTransferValue" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Test TransferValue</title >
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<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 TestShowModalDialog()
{
var rv=window.showModalDialog("TestShowModalDialog.aspx",window,"dialogWidth=400px;dialogHeight= 300px");
var txtReturnValue=document.getElementById("txtReturnValue");
if (rv==undefined)
{
txtReturnValue.value="没有返回值";
}
else
{
txtReturnValue.value=rv;
}
}
function TestOpen()
{
window.open("TestOpen.aspx","_blank","height=300,width=400");
}
</script>
</HEAD>
<body>
<form id="frmTestTransferValue" method="post" runat = "server">
<INPUT type="text" id="txtReturnValue" name = "txtReturnValue"><br>
<INPUT type="button" value="用window.showModalDialog()方法" onclick = "TestShowModalDialog();"><br>
<INPUT type="button" value="用window.open()方法" onclick = "TestOpen();"><br>
</form>
</body>
</HTML>
启动页面设置成TestTransfer.aspx。
下面是三个页面的aspx文件的HTML脚本,至于相应的.aspx.cs文件内容可以不做任何改动。
这是TestOpen.aspx文件的HTML脚本:
<%@ Page language="c#" Codebehind="TestOpen.aspx.cs" AutoEventWireup="false" Inherits="Camus.TestOpen" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Test Open</title >
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<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 CreateReturnValue(closeWindow)
{
var txtReturnValue=document.getElementById("txtReturnValue");
if (txtReturnValue.value=="")
{
window.alert("请输入传递值");
return ;
}
var txtOpenerReturnValue=window.opener.document.getElementById("txtReturnValue");
txtOpenerReturnValue.value=txtReturnValue.value;
window.alert("值已经传给父窗体");
if (closeWindow)
{
window.opener=null;
window.close();
}
}
</script>
</HEAD>
<body>
<form id="frmTestOpen" method="post" runat = "server">
返回值:<INPUT type="text" id="txtReturnValue" name = "txtReturnValue">
<INPUT type="button" value="不关闭页面并返回输入的值" onclick = "CreateReturnValue(false);"><br>
<INPUT type="button" value="关闭页面并返回输入的值" onclick = "CreateReturnValue(true);">
</form>
</body>
</HTML>
这是TestShowModalDialog.aspx文件的HTML脚本:
<%@ Page language="c#" Codebehind="TestShowModalDialog.aspx.cs" AutoEventWireup="false" Inherits="Camus.TestShowModalDialog" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Test ShowModalDialog</title >
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<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 CreateReturnValue(closeWindow)
{
var txtReturnValue=document.getElementById("txtReturnValue");
if (txtReturnValue.value=="")
{
window.alert("请输入返回值");
return ;
}
returnValue=txtReturnValue.value;
window.close();
}
</script>
</HEAD>
<body>
<form id="frmTestShowModalDialog" method="post" runat = "server">
返回值:<INPUT type="text" id="txtReturnValue" name = "txtReturnValue">
<INPUT type="button" value="关闭页面并返回输入的值" onclick = "CreateReturnValue();">
</form>
</body>
</HTML>
这是TestTransferValue.aspx文件的HTML脚本:
<%@ Page language="c#" Codebehind="TestTransferValue.aspx.cs" AutoEventWireup="false" Inherits="Camus.TestTransferValue" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Test TransferValue</title >
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<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 TestShowModalDialog()
{
var rv=window.showModalDialog("TestShowModalDialog.aspx",window,"dialogWidth=400px;dialogHeight= 300px");
var txtReturnValue=document.getElementById("txtReturnValue");
if (rv==undefined)
{
txtReturnValue.value="没有返回值";
}
else
{
txtReturnValue.value=rv;
}
}
function TestOpen()
{
window.open("TestOpen.aspx","_blank","height=300,width=400");
}
</script>
</HEAD>
<body>
<form id="frmTestTransferValue" method="post" runat = "server">
<INPUT type="text" id="txtReturnValue" name = "txtReturnValue"><br>
<INPUT type="button" value="用window.showModalDialog()方法" onclick = "TestShowModalDialog();"><br>
<INPUT type="button" value="用window.open()方法" onclick = "TestOpen();"><br>
</form>
</body>
</HTML>
启动页面设置成TestTransfer.aspx。
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