Want to load product with SQL database

<div class="slider slider_circle_10">
          <%=_FeatureProduct %>
       <div class="next_button"></div>
       <div class="prev_button"></div>
   </div>

public static string _FeatureProduct;
   protected void Page_Load(object sender, EventArgs e)
   {

       _FeatureProduct = String.Empty;
       dsFeatureProduct dsFeatureProduct = new dsFeatureProduct();
       dsFeatureProduct.ReadXml(Server.MapPath("~/Dataxml/FeatureProduct.xml"));
       foreach (dsFeatureProduct.Idea_FeatureProductRow objSlideRow in dsFeatureProduct.Tables[0].Rows)
       {

           _FeatureProduct = _FeatureProduct + "<a ' href='Product.aspx?Search=" + objSlideRow["ProductTitle"].ToString() + "'><div><img class='productpage' src='img/FeatureProduct/" + objSlideRow.ProductImage.Replace("~/img/FeatureProduct/", "") + "' width='100%' height='100%' /></div></a>";

       }

   }