<%@ Page language="c#" %>
<%@ Import Namespace="System.Data.SQLClient" %>
<%@ Import Namespace="System.Data" %>
<script language="VB" runat="server">
private void Page_Load(object sender, System.EventArgs e)
{
  SqlConnection cnn = new SqlConnection("server=DBSERVER;User id=USER;password=PASSWORD;database=DB");
  SqlCommand UpdateCommand = new SqlCommand();
  UpdateCommand.Connection = cnn;
  string sql;
  sql = "Update TABELLA Set CAMPO = 'VALORE' WHERE ID = ID";
  UpdateCommand.CommandText = sql;
  try
  {
    cnn.Open();
    UpdateCommand.ExecuteNonQuery();
  }
  catch (Exception ex)
  {
    response.Write(ex.ToString());
  }
  finally
  {
    cnn.Close();
  }
}
</script>