how to add dynamic textbox in the dynamic genrated table.

Question

in this code, i had created a table and save it in a string format in  server side 

I Want to add dynamic table in the place html inpuut in the given code below 

 

string mid = " <tr class='cart_item'>" +

" <td class='product-remove'>" +

"</td>" +

" <td class='product-thumbnail'>" +

" <a href='StoreDetails.aspx?id=" + id + "'>" +

"<img src='" + thumb + "' " +

"class='attachment-shop_thumbnail wp-post-image' alt='" + pname + "' /></a> </td>" +

" <td class='product-name'>" +

" <a href='StoreDetails.aspx?id=" + id + "'>"+pname+"</a> </td>" +

" <td class='product-price'>" +

" <span class='amount'><i class='icon-inr'></i> " + cd.packsize + "</span> </td>" +

" <td class='product-price'>" +

" <span class='amount'><i class='icon-inr'></i> " + price + "</span> </td>" +

" <td class='product-quantity'>" +

" <div class='quantity buttons_added'>" +

"<input step='1' min='1' name='quantity' value='" + qty + "' title='Qty' class='input-text qty text ' id='txtqty" + cd.id+"' size='4' type='text'>" +

"</td>" +

"<td class='product-subtotal'>" +

" <span class='amount'><i class='icon-inr'></i> " + (Convert.ToDouble(price) * qty) + "</span> </td>" +

"</tr>";

cartInfo.InnerHtml += mid;