protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
if (!Page.IsPostBack || EditorParts[0].Display)
{
SPSTreeXML treeXML = GetTreeXML();
if (treeXML != null)
{
try
{
treeXML.Fill(_treeView, _rollupEngine.Data.Tables[0].DefaultView);
treeXML.Decorate(_treeView);
}
catch (Exception ex)
{
TrapSubsystemError(this,
new SPSErrorArgs("Render", SPSRollUpEngine.GetResourceString("SPS_Err_TreeDefinition"), ex));
}
}
else
{
TrapSubsystemError(this,
new SPSErrorArgs("Render", SPSRollUpEngine.GetResourceString("SPS_Err_EmptyTreeDefinition"), null));
}
}
}
/// <summary>
/// Gets the calendar items.
/// </summary>
/// <returns>CalendarItemCollection</returns>
private SPSTreeXML GetTreeXML()
{
XmlSerializer serializer = new XmlSerializer(typeof(SPSTreeXML));
if (!string.IsNullOrEmpty(Xsl))
{
try
{
TextReader reader = new StringReader(Xsl);
SPSTreeXML collection = (SPSTreeXML)serializer.Deserialize(reader);
return(collection);
}
catch (InvalidOperationException ex)
{
TrapSubsystemError(this, new SPSErrorArgs(ex.TargetSite.Name,
SPSRollUpEngine.GetResourceString("SPS_Err_InvalidXMLTree"),
ex));
}
}
return(null);
}
