internal void ConnectWebPart(MediaCenterListView webpart)
{
    _webpart = webpart;
}

protected void Page_Load(object sender, EventArgs e)
{
    ItemsGridView.AllowPaging = true;
    ItemsGridView.PagerTemplate = null;
    ItemsGridView.PageSize = 10;
    ItemsGridView.PageIndexChanging += new GridViewPageEventHandler(ItemsGridView_PageIndexChanging);

    objectDataSource = new ObjectDataSource(this.GetType().AssemblyQualifiedName, "LoadListItems");
    objectDataSource.ObjectCreating += new ObjectDataSourceObjectEventHandler(objectDataSource_ObjectCreating);
}

protected override void OnPreRender(EventArgs e)
{
    var web = SPContext.Current.Web;
    var spList = web.Lists[_webpart.ListName];

    if (ItemsGridView.Columns.Count == 0)
    {
        ItemsGridView.Columns.Add(new HyperLinkField
        {
            DataTextField = "ID",
            HeaderText = "ID",
            DataNavigateUrlFields = new string[] { "ID" },
            DataNavigateUrlFormatString = string.Format("{0}{1}{2}", web.Url, spList.DefaultEditFormUrl, "?ID={0}"),
            Target = "_blank"
        });
        ItemsGridView.Columns.Add(new SPBoundField { DataField = "LinkFilename", HeaderText = "Name" });
        ItemsGridView.Columns.Add(new SPBoundField { DataField = "ImageCategory", HeaderText = "Image Category" });
    }

    try
    {
        this.BindItems();
    }
    catch (Exception ex)
    {
        SPDiagnosticsService diagnosticsService = SPDiagnosticsService.Local;
        SPDiagnosticsCategory cat = diagnosticsService.Areas["SharePoint Foundation"].Categories["Unknown"];
        diagnosticsService.WriteTrace(1, cat, TraceSeverity.Medium, ex.StackTrace, cat.Name, cat.Area.Name);
    }
}

private void BindItems()
{
    ItemsGridView.DataSource = objectDataSource;
    ItemsGridView.DataBind();
}

public DataTable LoadListItems()
{
    var web = SPContext.Current.Web;
    var spList = web.Lists[_webpart.ListName];
    var spListItems = spList.Items.GetDataTable();

    return spListItems;
}

void objectDataSource_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
{
    e.ObjectInstance = this;
}

void ItemsGridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
    ItemsGridView.PageIndex = e.NewPageIndex;
}