title: Unable to sort datagridview
body: <p>Hello i cannot sort alphabetical my datagridview</p>
  
  <p>this is how i fill my grid :</p>
  
  <pre><code> bs = new BindingSource();
                  bs.DataSource = db.GetProducts.ToList();
                  dgvInventory.DataSource = bs;
  </code></pre>
  
  <p>and this is how i try to sort my grid :</p>
  
  <pre><code>     private void toolStripButton3_Click_1(object sender, EventArgs e)
      {
          bs.Sort = "ID DESC, Name ASC";
          dgvInventory.DataSource = bs;
      }
  </code></pre>
  
  <p>And when i pressing button nothing happens
  This two columns is exsist in data grid </p>
  
  <p>and this is screen :</p>
  
  <p><img src="https://i.stack.imgur.com/R5zQS.jpg" alt="enter image description here"></p>