<asp:ImageButton id=ImageButton11 runat="server" ImageUrl="images/button.png" ImageAlign="Middle" CommandName="click_yourCommande"></asp:ImageButton>

<button runat="server" style="background-image:url('images/button.png')" >click on...  </button>

 <asp:HyperLink ID="HyperLink2"

private FormConfirmationPageState mFormConfirmationPageState;


            
            string cost;
            int newVal;


private void LoadLabels()
		{
			object FormPageState = Session["FormPage"];
			totoForm.FormPageState s = (totoForm.FormPageState)FormPageState;

 
private void SetPageState()
		{
		 int amountInt = int.Parse(mamountTextBox.Text);
		 mFormPageState.AmountContribution = amountInt.ToString("0.00");