/// <summary>
/// OnLoad override that runs only when serving the original page
/// </summary>
/// <param name="e">event args</param>
protected override void OnLoad(EventArgs e)
{
//Hidden field to track data
string sHiddenFieldName = this.ClientID + "_HiddenField";
if (Page.Request.Form[sHiddenFieldName] != null)
{
string sValue = Page.Request.Form[sHiddenFieldName];
_ImageListItemCollection = DeserializeListItems(sValue);
}
base.OnLoad(e);
}
/// <summary>
///
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
protected ImageListItemCollection DeserializeListItems(string stream)
{
ImageListItemCollection colRet;
if (String.IsNullOrEmpty(stream))
{
colRet = new ImageListItemCollection();
}
else
{
JavaScriptSerializer objSerializer = new JavaScriptSerializer();
ImageListItem[] arrListItems = objSerializer.Deserialize <ImageListItem[]>(stream);
colRet = new ImageListItemCollection(arrListItems);
}
return(colRet);
}
/// <summary>
///
/// </summary>
/// <param name="listItemCollection"></param>
/// <returns></returns>
protected string SerializeListItems(ImageListItemCollection listItemCollection)
{
string sRet;
if ((listItemCollection == null) || (listItemCollection.Count < 1))
{
sRet = String.Empty;
}
else
{
JavaScriptSerializer objSerializer = new JavaScriptSerializer();
ImageListItem[] arrListItems = listItemCollection.ToArray();
sRet = objSerializer.Serialize(arrListItems);
}
return(sRet);
}
