title: why we need to pass Boolean value to the method
body: <p>I have confusion on below code i.e why we need to pass Boolean value to the method and what it returns?</p>
  
  <pre><code>RefreshLookupList(false);
  private void RefreshLookupList(bool forExport)
  
      {
          grdLists.Rows.Clear();
          grdLists.DataSource = Lists.GetListItems(cboListType.SelectedValue);
          grdLists.DataBind();
  
          lblCount.InnerText = "Lookups: " + grdLists.Rows.Count.ToString();
      }
  </code></pre>