ASP.NET 2005

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  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 .....

   

   

  Thursday, April 3, 2008 9:15 AM