adding rows to dynamic table in masterpage included asp.net page

hi,I am using ASP.NET3.5, I want to Add rows dynamically to a table.I have written this code.This code is working fine if the Page is not having masterPage file. If I use masterpagefile in my ASPX page,controls(textboxes) are displaying at bottom of the page,and the data in textboxes is not retaining after click on Add button.Disaapering the text box values. My .Aspx:
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPages/inner.master" AutoEventWireup="true" CodeFile="Tabtest1.aspx.cs" Inherits="Financial_Tabtest1" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %> <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<table border= ...