c# - Dynamic created radio buttons wont execute event on click -
i have button named "add radio button" in form, , text box named texbox1.
i've written code when click "add radio button", generates radio button; it's own name:
c#:
using system; using system.collections.generic; using system.linq; using system.web; using system.web.ui; using system.web.ui.htmlcontrols; using system.web.ui.webcontrols; public partial class default2 : system.web.ui.page { protected void page_load(object sender, eventargs e) { if (!ispostback) { viewstate["counter"] = 0; } } protected void button1_click(object sender, eventargs e) { (int = 0; <= convert.toint32(viewstate["counter"]); i++) { htmlgenericcontrol div = new htmlgenericcontrol("div"); radiobutton rb = new radiobutton(); rb.id = i.tostring(); rb.text = "button" + i.tostring(); rb.groupname = "rb"; rb.checkedchanged += radiobutton_checkedchanged; div.controls.add(rb); panel1.controls.add(div); } viewstate["counter"] = convert.toint32(viewstate["counter"]) + 1; } private void radiobutton_checkedchanged(object sender, eventargs e) { radiobutton btn = sender radiobutton; textbox1.text = btn.text; } } asp
<%@ page language="c#" autoeventwireup="true" codefile="default2.aspx.cs" inherits="default2" %> <!doctype html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:panel id="panel1" runat="server"> </asp:panel> <br /> <asp:textbox id="textbox1" runat="server"></asp:textbox> <br /> <br /> <asp:button id="button1" runat="server" onclick="button1_click" text="add radiobutton" /> </div> </form> </body> </html> the problem after several radio buttons being created, want program work if each of them checked, textbox1.text gets radio button's text string (the name of button) function radiobutton_checkedchanged doesn't execute.
you missed think
rb.checkedchanged +=new eventhandler(rb_checkedchanged); check comments below also
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