public override void Save()
{
if (cache.Loaded)
{
string cacheKey = CacheKeyPrefix + Guid.NewGuid().ToString("N"); // dynamic guid
Pair data = new Pair(ViewState, ControlState);
string state = StateFormatter.Serialize(data);
bool cached = false;
try
{
cached = cache.Insert(cacheKey, state); //insert without grouping
}
catch (Exception e)
{
if (!cached)
{
trace.WriteTrace(TraceSeverity.WarningEvent, TraceCategory.Content, "Could not cache view state." + e.Message);
}
}
if (cached)
{
_hiddenFiledPagePersister.ViewState = cacheKey; // send dynamic guid to client
ContentPerfCounters.Current.UpdateViewstateSize(state.Length);
ContentPerfCounters.Current.IncrementViewstateAdditions();
trace.WriteTrace(TraceSeverity.InformationEvent, TraceCategory.Content, "view state cached: " + cacheKey);
}
}
else
{
trace.WriteTrace(TraceSeverity.CriticalEvent, TraceCategory.Content, " Cache is not loaded. ");
_hiddenFiledPagePersister.ViewState = ViewState;
_hiddenFiledPagePersister.ControlState = ControlState;
}
_hiddenFiledPagePersister.Save();
}
//
// Summary:
// Serializes any object state contained in the System.Web.UI.PageStatePersister.ViewState
// or the System.Web.UI.PageStatePersister.ControlState property and writes the
// state to the repository.
public override void Save()
{
if (base.ViewState == null && base.ControlState == null)
{
return;
}
IStateFormatter formatter = this.StateFormatter;
Pair statePair = new Pair(ViewState, ControlState);
// Serialize the statePair object to a string.
string serializedState = formatter.Serialize(statePair);
ViewStateInfo info = new ViewStateInfo(serializedState);
string viewStateKey = Page.Request.Form[ViewStateHiddenFieldName] as string;
if (!string.IsNullOrEmpty(viewStateKey))
{
info.Id = viewStateKey;
}
Repository.SaveViewState(info);
if (UseDefaultViewStateHiddenField)
{
// Save key in __VIEWSTATE hidden field
HiddenFieldPageStatePersister _hiddenFiledPagePersister = new HiddenFieldPageStatePersister(Page);
_hiddenFiledPagePersister.ViewState = info.Id;
_hiddenFiledPagePersister.Save();
}
else
{
// Register hidden field to store cache key in
Page.ClientScript.RegisterHiddenField(ViewStateHiddenFieldName, info.Id);
}
}
