如何点击按钮弹出新窗口，输入数据后返回并刷新页面？
来源：互联网 发布：猎豹网校 java百度网盘 编辑：程序博客网 时间：2024/05/09 21:06
在一些.NET论坛中有人经常会问：如何在页面中点击按钮打开新页面，输入数据，然后返回到初始页面并进行更新？要解决这个问题，应该弄清楚window.showModalDialog()的用法，本人在http://www.csdn.net/Develop/read_article.asp?id=15113已经做过介绍。下面就用例子介绍如何在ASP.NET中实现这个功能。
本例子共3个页面，其中WebForm2.aspx是过渡页面，是为了防止提交时打开新页面。
WebForm1.aspx
<![CDATA[<%@ Page Language="vb" AutoEventWireup="false" Codebehind="WebForm1.aspx.vb" Inherits="ShowModalDialog.WebForm1" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML> <HEAD> <title>WebForm1</title> <meta content="Microsoft Visual Studio .NET 7.0" name="GENERATOR"> <meta content="Visual Basic 7.0" name="CODE_LANGUAGE"> <meta content="JavaScript" name="vs_defaultClientScript"> <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema"> </HEAD> <body MS_POSITIONING="GridLayout"> <div align="center"> <form id="Form1" method="post" runat="server"> 从当前页面打开新窗口，并把变量传递到新窗口的例子，可以多次打开提交。 </asp:label><br> <br> 这是初始值，将被传递到新窗口。</asp:textbox><br> <br> </asp:button></form> </div> </body></HTML>]]>WebForm1.aspx.vb
<![CDATA[Public Class WebForm1 Inherits System.Web.UI.Page Protected WithEvents TextBox1 As System.Web.UI.WebControls.TextBox Protected WithEvents Form1 As System.Web.UI.HtmlControls.HtmlForm Protected WithEvents Label1 As System.Web.UI.WebControls.Label Protected WithEvents Button1 As System.Web.UI.WebControls.Button#Region " Web 窗体设计器生成的代码 " '该调用是 Web 窗体设计器所必需的。 <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() End Sub Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init 'CODEGEN: 此方法调用是 Web 窗体设计器所必需的 '不要使用代码编辑器修改它。 InitializeComponent() End Sub#End Region Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load '在此处放置初始化页的用户代码 If (Not IsClientScriptBlockRegistered("clientScript")) Then Dim strScript As String = "" + vbCrLf RegisterClientScriptBlock("clientScript", strScript) End If Button1.Attributes.Add("onclick", "OpenWin()") End SubEnd Class]]>WebForm2.aspx
<![CDATA[<%@ Page Language="vb" AutoEventWireup="false" Codebehind="WebForm2.aspx.vb" Inherits="aspxWeb.mengxianhui.com.WebForm2"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML> <HEAD> <title>WebForm2</title> <meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.0"> <meta name="CODE_LANGUAGE" content="Visual Basic 7.0"> <meta name="vs_defaultClientScript" content="JavaScript"> <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"> </HEAD> <frameset rows="0,*"> <frame src="about:blank"> <frame src="WebForm3.aspx"> </frameset></HTML>]]>WebForm2.aspx.vb
<![CDATA[Public Class WebForm2 Inherits System.Web.UI.Page#Region " Web 窗体设计器生成的代码 " '该调用是 Web 窗体设计器所必需的。 <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() End Sub Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init 'CODEGEN: 此方法调用是 Web 窗体设计器所必需的 '不要使用代码编辑器修改它。 InitializeComponent() End Sub#End Region Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load '在此处放置初始化页的用户代码 End SubEnd Class]]>WebForm3.aspx
<![CDATA[<%@ Page Language="vb" AutoEventWireup="false" Codebehind="WebForm3.aspx.vb" Inherits="ShowModalDialog.WebForm3" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML> <HEAD> <title>WebForm3</title> <meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.0"> <meta name="CODE_LANGUAGE" content="Visual Basic 7.0"> <meta name="vs_defaultClientScript" content="JavaScript"> <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"> </HEAD> <body MS_POSITIONING="GridLayout" id="MyBody" runat="server"> <form id="Form1" method="post" runat="server"> 请输入您的大名：</asp:Label><br> <br> </asp:TextBox><br> <br> </asp:Button> </form> </body></HTML>]]>WebForm3.aspx.vb
<![CDATA[Public Class WebForm3 Inherits System.Web.UI.Page Protected WithEvents TextBox1 As System.Web.UI.WebControls.TextBox Protected WithEvents Label1 As System.Web.UI.WebControls.Label Protected WithEvents Button1 As System.Web.UI.WebControls.Button Protected MyBody As System.Web.UI.HtmlControls.HtmlControl#Region " Web 窗体设计器生成的代码 " '该调用是 Web 窗体设计器所必需的。 <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() End Sub Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init 'CODEGEN: 此方法调用是 Web 窗体设计器所必需的 '不要使用代码编辑器修改它。 InitializeComponent() End Sub#End Region Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load '在此处放置初始化页的用户代码 If IsPostBack Then Dim strScript As String = "" + vbCrLf If (Not IsClientScriptBlockRegistered("clientScript")) Then RegisterClientScriptBlock("clientScript", strScript) End If End If If Not IsPostBack Then MyBody.Attributes.Add("onload", "document.Form1.TextBox1.value=window.parent.dialogArguments") End If End SubEnd Class]]>
