Accordian with Jquery

  <script src="Scripts/jquery.js"></script>

    <style>

        .Test

        {

            width: 300px;

            height: 30px;

            background-color: #808080;

            cursor: pointer;

        }

        .Sub

        {

            width: 300px;

            background-color: #989898;

            display: none;

        }

            .Sub div

            {

                width: 300px;

                height: 30px;

            }

    </style>

<div>

<div class="Test">

  Menu1

</div>

<div class="Sub">

  <div>Menu1 </div>

  <div>Menu2 </div>

  <div>Menu3 </div>

</div>

<div class="Test">

   Menu2

</div>

<div class="Sub">

   <div>Menu1 </div>

   <div>Menu2 </div>

   <div>Menu3 </div>

</div>

<div class="Test">

   Menu3

</div>

<div class="Sub">

   <div>Menu1 </div>

   <div>Menu2 </div>

   <div>Menu3 </div>

</div>

</div>

<script type="text/javascript">

        $(document).ready(function () {

            var Lst;

            $(".Test").click(function () {

                if (Lst == this) {

                    return;

                }

                $(".Sub").slideUp();

                $(this).next().slideDown();

                Lst = this;

            });

        });

    </script>

Convert Dataset to List Using Linq

public void test()

{

   DataSet ds = new DataSet();

   ds.Tables[0].Rows.Cast<System.Data.DataRow>().Select(p => new TestList()

   {

     Name = p["Resource_Number"].ToString(),

     City = p["ConnectionId"].ToString(),

     Class = p["ConnectionId"].ToString()

   }).ToList();

}

public class TestList

{

  public string Name { get; set; }

  public string City { get; set; }

  public string Class { get; set; }

}

Get Previous page Viewstate from this Page

Page1.aspx :

void btn_Click(object sender, EventArgs e)

{

  ViewState["Test"] = "Ajay";

  Server.Transfer("Page2.aspx");           

}

public string ReturnViewState()

{

  return ViewState["Test"].ToString();

}

Page2.aspx :

protected void Page_Load(object sender, EventArgs e)

{

  if (PreviousPage != null && PreviousPageViewState != null)

  {

    string str = PreviousPageViewState; //value will bw Ajay

  }

}

private string PreviousPageViewState

{

  get

  {

    string returnValue = null;

    if (PreviousPage != null)

    {

      Object objPreviousPage = (Object)PreviousPage;

      MethodInfo objMethod = objPreviousPage.GetType().GetMethod("ReturnViewState");

      //System.Reflection class

      return (String)objMethod.Invoke(objPreviousPage, null);

    }

    return returnValue;

  }

}