C#

<asp:Repeater runat="server" ID="Repeater1" OnItemCommand="Repeater1_ItemCommand" OnItemDataBound="Repeater1_ItemDataBound">
 <HeaderTemplate>
</HeaderTemplate>
<ItemTemplate>    
        <asp:Label ID="Category" runat="server" Font-Bold="true"><%# DataBinder.Eval(Container.DataItem,"Category").ToString().Trim()%></asp:Label>
        <asp:Label ID="Description" runat="server" Font-Bold ="true"><%# DataBinder.Eval(Container.DataItem,"Description").ToString().Trim() %></asp:Label>
		<asp:Repeater runat="server" id="Repeater2"  OnItemCommand="Repeater2_ItemCommand" OnItemDataBound="Repeater2_ItemDataBound">
			<HeaderTemplate >
			</HeaderTemplate>
			<ItemTemplate> 
					<asp:label ID="CatDesPriceRange" runat="server" Font-Bold="true" Font-Underline="true"><%# DataBinder.Eval(Container.DataItem,"PriceRanges").ToString().Trim() %></asp:label>
			</ItemTemplate> 
    </asp:Repeater>    
</ItemTemplate>
</asp:Repeater>

   protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                GetCateDescription();
            }
        }
		
		
        public void GetCateDescription(string stuID)
        {
            SqlCommand cmdList = new SqlCommand("Select distinct Category,Description from Records", cnx);
            cmdList.CommandType = CommandType.Text;
            DataSet ds = new DataSet();
            SqlDataAdapter objDA = new SqlDataAdapter(cmdList);
            objDA.Fill(ds, "Category");
            Repeater1.DataSource = ds;
            Repeater1.DataBind();  
        }
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            if (cnx.State == ConnectionState.Closed)
            {
                cnx.Open();
            }
          
       
            if ((e.Item.ItemType == ListItemType.Item) || (e.Item.ItemType == ListItemType.AlternatingItem))
            {
                Label Category = e.Item.FindControl("Category") as Label;
                
                Repeater Repeater2 = e.Item.FindControl("Repeater2") as Repeater;
                Repeater2.DataSource =    showAllPrices(Category.Text);
                Repeater2.DataBind();              
               
            }

            
        }