My Code:
<%
@ Page Language="VB" MasterPageFile="MasterPage.master" AutoEventWireup="false" CodeFile="Training.aspx.vb" Inherits="Training" title="Untitled Page" EnableEventValidation="false" %>
<asp:Content ID="Content2" ContentPlaceHolderID="dyn2" Runat="Server">
<script type="text/javascript" language="javascript">
function Chk_2_clicked()
{
var count=0;
var i,j;
alert("Function call working ...");
for(i=0;i<frm1.chkbox.length;i++)
{
if(frm1.chkbox
.checked)
{
count+=1;
if(count >= 2)
{
if(count !=2)
{
alert("can't select more than two hours ...");
frm1.chkbox
.checked = false;
}
}
else
{
for(j=0;j<frm1.chkbox.length;j++)
frm1.chkbox[j].disabled = true;
}
}
}
}
</script>
<asp:Panel ID="pbl_chkboxes" runat="server" Width="166px">
<form id="frm1" action="training.aspx">
<asp:Label ID="lbl_time" Text ="Select Time Period ..." runat="server"></asp:Label>
<br />
<input type="checkbox" id="Checkbox1" name="chkbox" value="10:00 TO 11:00 A.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label3" runat="server" Text="10:00 TO 11:00 A.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox2" name="chkbox" value="11:00 TO 12:00 A.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label4" runat="server" Text="11:00 TO 12:00 A.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox3" name="chkbox" value="12:00 TO 01:00 P.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label5" runat="server" Text="12:00 TO 01:00 P.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox4" name="chkbox" value="01:00 TO 02:00 P.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label6" runat="server" Text="01:00 TO 02:00 P.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox5" name="chkbox" value="02:00 TO 03:00 P.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label7" runat="server" Text="02:00 TO 03:00 P.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox6" name="chkbox" value="03:00 TO 04:00 P.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label8" runat="server" Text="03:00 TO 04:00 P.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox7" name="chkbox" value= "04:00 TO 05:00 P.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label9" runat="server" Text="04:00 TO 05:00 P.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox8" name="chkbox" value="05:00 TO 06:00 P.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label10" runat="server" Text="05:00 TO 06:00 P.M."></asp:Label>
<br />
<input type="checkbox" id="Checkbox9" name="chkbox" value="06:00 TO 07:00 P.M." onclick="Chk_2_clicked()" runat="server"/>
<asp:Label ID="Label11" runat="server" Text="06:00 TO 07:00 P.M."></asp:Label>
<br />
</form>
</asp:Panel>
</asp:Content>
Now i want that when user click on any 2 checkboxes the others need to be disabled .....
Now what the wrong i had done in my code ?
Plz reply me as fast as possible ....
Thanks in Advance .....