title: How to Sum column in repeater
body: <p>Here is my repeater </p>
  
  <pre><code>&lt;asp:Repeater runat="server" ID="repBasket"&gt;
  &lt;ItemTemplate&gt;
      &lt;li&gt;
          &lt;a href="http://stylo.senseithemes.com/?product=flying-ninja"&gt;
              &lt;img width="100" height="130" src="http://stylo.senseithemes.com/wp-content/uploads/2013/06/poster_2_up-100x130.jpg" class="attachment-shop_thumbnail wp-post-image" alt="poster_2_up"&gt;
              &lt;%#Eval("ProductName") %&gt;
          &lt;/a&gt;
          &lt;span class="quantity"&gt;
              Quantity:  &lt;%#Eval("Quantity")%&gt; x
              &lt;span class="price"&gt;
                  &lt;span class="amount"&gt;&lt;%#Eval("ProductPrice") %&gt;&lt;/span&gt;
              &lt;/span&gt;
          &lt;/span&gt;
          &lt;div class="product-remove"&gt;
              &lt;a href="http://stylo.senseithemes.com/?page_id=16&amp;amp;remove_item=7cbbc409ec990f19c78c75bd1e06f215&amp;amp;_n=294a49ca25" class="btn-remove" title="Remove this item"&gt;×&lt;/a&gt;                
          &lt;/div&gt;
      &lt;/li&gt;
  &lt;/ItemTemplate&gt;
  </code></pre>
  
  <p><br>
  here is the code behind I get products by Session Id</p>
  
  <pre><code>using (DermabonEntities db = new DermabonEntities())
  {
  var q = (from d in db.Basket
           where d.UserId == sessionId
           select d).ToList();
  
  repBasket.DataSource = q;
  repBasket.DataBind();
  
  int UrunAdet = (from d in db.Basket
                  where d.UserId == sessionId
                  select d).Count();
  
  Label.Text = UrunAdet.ToString();                   
  }
  </code></pre>
  
  <p>I need to sum ProductPrice in the repeater How can I sum it ?</p>