[ASP.NET]如何点击按钮弹出新窗口，输入数据后返回并刷新页面？(C#代码)

翻译自孟宪会之精彩世界的VB.NET代码

http://dotnet.aspx.cc/ShowDetail.aspx?id=49ML4AO8-5PB3-4KNY-NJZD-LJOIOXV4M1X4

Webform1.aspx

<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="ShowModalTest.WebForm1" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

<title>WebForm1</title>

</HEAD>

<asp:label id="Label1" runat="server" Font-Bold="true">

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>

<asp:textbox id="TextBox1" runat="server" Width="600px">这是初始值，将被传递到新窗口。</asp:textbox><br>

<br>

<asp:button id="Button1" runat="server" Width="96px" Text="打开窗口2"></asp:button>

<asp:button id="Button2" runat="server" Width="96px" Text="打开窗口4"></asp:button></form>

</div>

</body>

</HTML>

Webform1.aspx.cs

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.SessionState;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.HtmlControls;

namespace ShowModalTest

{

/// <summary>

/// WebForm1 的摘要说明。

/// </summary>

public class WebForm1 : System.Web.UI.Page

{

protected System.Web.UI.WebControls.Label Label1;

protected System.Web.UI.WebControls.TextBox TextBox1;

protected System.Web.UI.HtmlControls.HtmlForm Form1;

protected System.Web.UI.WebControls.Button Button1;

private void Page_Load(object sender, System.EventArgs e)

{

// 在此处放置用户代码以初始化页面

string strScript= "\n";

if (!IsClientScriptBlockRegistered("clientScript"))

{

strScript = "<script>\n";

strScript += "function OpenWin(){\n";

strScript += "var str=window.showModalDialog('WebForm2.aspx',document.Form1.TextBox1.value,'help:no')\n";

strScript += "if(str!=null) document.Form1.TextBox1.value=str\n";

strScript += "}\n";

strScript += "</script>\n";

RegisterClientScriptBlock("clientScript", strScript);

}

if (!IsClientScriptBlockRegistered("clientScript2"))

{

strScript = "<script>\n";

strScript += "function OpenWin2(){\n";

strScript += "var str=window.showModalDialog('WebForm4.aspx',document.Form1.TextBox1.value,'help:no')\n";

strScript += "if(str!=null) document.Form1.TextBox1.value=str\n";

strScript += "}\n";

strScript += "</script>\n";

RegisterClientScriptBlock("clientScript2", strScript);

}

Button1.Attributes.Add("onclick", "OpenWin()");

Button2.Attributes.Add("onclick", "OpenWin2()");

}

#region Web 窗体设计器生成的代码

override protected void OnInit(EventArgs e)

{

// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。

InitializeComponent();

base.OnInit(e);

}

/// <summary>

/// 设计器支持所需的方法 - 不要使用代码编辑器修改

/// 此方法的内容。

/// </summary>

private void InitializeComponent()

{

this.Load += new System.EventHandler(this.Page_Load);

}

#endregion

}

Webform2.aspx

<%@ Page language="c#" Codebehind="WebForm2.aspx.cs" AutoEventWireup="false" Inherits="ShowModalTest.WebForm2" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

<TITLE>WebForm2</TITLE>

</HEAD>

</frameset>

</HTML>

WebForm3.aspx

<%@ Page language="c#" Codebehind="WebForm3.aspx.cs" AutoEventWireup="false" Inherits="ShowModalTest.WebForm3" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

<title>WebForm3</title>

</HEAD>

<asp:Label id="Label1" runat="server">请输入您的大名：</asp:Label><br>

<br>

<asp:TextBox id="TextBox1" runat="server" Width="320px"></asp:TextBox><br>

<br>

<asp:Button id="Button1" runat="server" Text=" 提交 "></asp:Button>

</form>

</body>

</HTML>

WebForm3.aspx.cs

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.SessionState;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.HtmlControls;

namespace ShowModalTest

{

/// <summary>

/// WebForm3 的摘要说明。

/// </summary>

public class WebForm3 : System.Web.UI.Page

{

protected System.Web.UI.WebControls.Label Label1;

protected System.Web.UI.WebControls.TextBox TextBox1;

protected System.Web.UI.WebControls.Button Button1;

protected System.Web.UI.HtmlControls.HtmlControl MyBody;

private void Page_Load(object sender, System.EventArgs e)

{

// 在此处放置用户代码以初始化页面

if(IsPostBack)

{

string strScript = "<script>\n";

strScript += "window.parent.returnValue='" + TextBox1.Text.Replace("'", "\'") + "'\n";

strScript += "window.parent.close()\n";

strScript += "</script>\n";

if (!IsClientScriptBlockRegistered("clientScript"))

RegisterClientScriptBlock("clientScript", strScript);

}

else

{

MyBody.Attributes.Add("onload", "document.Form1.TextBox1.value=window.parent.dialogArguments");

}

#region Web 窗体设计器生成的代码

override protected void OnInit(EventArgs e)

{

// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。

InitializeComponent();

base.OnInit(e);

}

/// <summary>

/// 设计器支持所需的方法 - 不要使用代码编辑器修改

/// 此方法的内容。

/// </summary>

private void InitializeComponent()

{

this.Load += new System.EventHandler(this.Page_Load);

}

#endregion

}

Webform4.aspx

<%@ Page language="c#" Codebehind="WebForm4.aspx.cs" AutoEventWireup="false" Inherits="ShowModalTest.WebForm4" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

<title>WebForm4</title>

</HEAD>

</form>

</body>

</HTML>