title: Drop Down List first row as Empty
body: <p>I need code for first row of drop down to be empty, below is the current code i am using</p>
  
  <pre><code>string queryString = "select College_Name from Colleges";
  string constring = System.Configuration.ConfigurationManager
                           .ConnectionStrings["ConnDBForum"].ConnectionString;
  SqlConnection connection = new SqlConnection(constring);
  SqlCommand command = new SqlCommand(queryString, connection);
  connection.Open();
  DataTable dt = new DataTable();
  SqlDataAdapter ad = new SqlDataAdapter(command);
  ad.Fill(dt);
  if (dt.Rows.Count &gt; 0)
  {
      DropDownList2.Items.Insert(0, new ListItem(String.Empty, String.Empty));
      DropDownList2.DataSource = dt;
      DropDownList2.DataTextField = "College_Name";
      DropDownList2.DataValueField = "College_Name";
      DropDownList2.DataBind();
  }
  connection.Close();
  </code></pre>
  
  <p>Can any one please help me on this ?</p>