无法从模态弹出扩展器控件中检索值？ [英] cannot retrieve the value from modal popup extender control?
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问题描述
Hi sir,
Tell me the steps to retrieve the value from modal popup extender control. I tried the below code to get the value from the popup, but i cant able to retrieve the value, Kindly give me the solution for this problem.
Default.aspx:
************
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="asp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="Existing User"></asp:Label>
<asp:TextBox ID="TextBox1" runat="server" ReadOnly="True"></asp:TextBox>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
<asp:ModalPopupExtender ID="Button1_ModalPopupExtender" runat="server"
DynamicServicePath="" Enabled="True" TargetControlID="Button1" DropShadow="true" PopupControlID="Panel1" OkControlID="btn_ok" CancelControlID="btn_cancel">
</asp:ModalPopupExtender>
<br />
<br />
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<br />
<br />
<br />
<br />
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Panel BackColor="ActiveBorder" ID="Panel1" runat="server">
<asp:RadioButtonList ID="RadioButtonList1" runat="server">
<asp:ListItem>Yes</asp:ListItem>
<asp:ListItem>No</asp:ListItem>
</asp:RadioButtonList>
<br />
<br />
<asp:Button ID="btn_ok" runat="server" Text="Ok" onclick="btn_ok_Click" />
<asp:Button ID="btn_cancel" runat="server" Text="Cancel" />
</asp:Panel>
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="btn_ok" />
<asp:PostBackTrigger ControlID="RadioButtonList1" />
</Triggers>
</asp:UpdatePanel>
</div>
</form>
</body>
</html>
Default.aspx.cs:
**************
protected void btn_ok_Click(object sender, EventArgs e)
{
TextBox1.Text = RadioButtonList1.SelectedItem.Text.ToString();
}
推荐答案
<asp:HiddenField ID="HiddenField1" runat="server" />
<asp:ModalPopupExtender ID="MyPopupWindow" runat="server" DynamicServicePath=""
Enabled="true" TargetControlID="HiddenField1" PopupControlID="PopupWindow" BackgroundCssClass="ModalPopupBG" CancelControlID="CloseBtn">
</asp:ModalPopupExtender>
在更新面板中添加隐藏字段..
Add a hidden field to your update panel..
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