I have a multiple web sits asp.net application.
In this application different domains using the same pages.
All pages inherit from base class named: PageBase
wich inherit from System.Web.UI.Page.
By using: HttpContext.Current.Request.ServerVariables["HTTP_HOST"]
i cen determine what is the domain and then get all the info i need
for this domain and everything is working good.
My problem begin when i want to use different visitor counter for each site based on session.
Because Global.asax have Global events:
Session_Start
Session_End
simple counter will count all visitors on all sites together.
I try to make code behind for the Global.asax in different class
but i cold not get in that class the PageBase(System.Web.UI.Page) web site info.
I will be very thankful for any ideas to solve this problem
cheinan
I am assuming that you are able to browse from one "site" to the other within the same session and that there is only one session created.
In this case, you need to add the following to your Session:
Session["CountedHosts"] = new List<string>();
Then, on your base page, add the following:
var host = Request.ServerVariables["HTTP_HOST"];
var countedHosts = Session["CountedHosts"] as List<string>;
if (countedHosts != null && !countedHosts.Contains(host))
{
countedHosts.Add(host);
}
Then on session end, record each host that was visited.
var countedHosts = Session["CountedHosts"] as List<string>;
if (countedHosts != null)
{
foreach (var host in countedHosts)
{
//Log it
}
}
I am not able to browse from one "site" to the other within the same session each site have is on
different session created.
but i am very thankful to you because you gave me en idea
how to solv this problem
here is what i did:
i created counter class with Dictionary "onlineList" were i automatic creat for each site a key:
public abstract class counter{
public static Dictionary<string, int> onlineList = new Dictionary<string, int>();
//do add one count
public static void doSiteCountOn(string siteID)
{
if (onlineList.ContainsKey(siteID))
{
onlineList[siteID] += 1;
}
else
{
onlineList.Add(siteID, 1);
}
}
//do less one count
public static void doSiteCountOff(string siteID)
{
if (onlineList.ContainsKey(siteID))
{
onlineList[siteID] -= 1;
}
else
{
onlineList.Add(siteID, 0);
}
}
//get the count
public static string onlineCount(string siteID)
{
if (onlineList.ContainsKey(siteID))
{
return onlineList[siteID].ToString();
}
else
{
return "0";
}
}
//reset the count if needed
public static void resetCount(string siteID)
{
if (onlineList.ContainsKey(siteID))
{
onlineList[siteID] = 0;
}
}}
on my base page i check if there is Session["siteID"]
and if not i start one and make my counter class to add 1 to the site counter:
if (Session["siteID"] == null){
Session["siteID"] = _siteID;
counter.doSiteCountOn(_siteID);}
and finaly on my Session_End i do one count less:
void Session_End(object sender, EventArgs e){
if (Session["siteID"] != null)
{
counter.doSiteCountOff(Session["siteID"].ToString());
}}
thank for your halp
and sorry for my late respons
cheinan
Related
Where should I put this chunk of code in order the listener function works every time I enter the app from the deep link?
Now in my unity mobile app I have this code in the initial load, however it does not work well.
The first case of entering the app from the deep link is not being handled. Only after initial load when I click the deep link my listener function works (as the listener is already set).
Is there any solution to this issue?
void Start()
{
DynamicLinks.DynamicLinkReceived += OnDynamicLink;
}
// Display the dynamic link received by the application.
void OnDynamicLink(object sender, EventArgs args)
{
var dynamicLinkEventArgs = args as ReceivedDynamicLinkEventArgs;
Debug.LogFormat("Received dynamic link {0}", dynamicLinkEventArgs.ReceivedDynamicLink.Url.OriginalString);
}
Test this, feel free to edit.
void Start()
{
StartCoroutine(WaitLoader()); //Loader
}
public void trueAwoken()
{
DynamicLinks.DynamicLinkReceived += OnDynamicLink;
}
public IEnumerator WaitLoader()
{
int i = 0;
while (i < 5) // Potential for true load state 5 (increase this 0-1000+?, it depends on your build?)
{
i++;
//Debug.Log("Waiting: " + i + "/" + Time.deltaTime);
yield return new WaitForFixedUpdate();
}
trueAwoken();
}
I'm a newbie in ASP.NET and I'm stuck at populating a List when web page load.
I have a class that, when instantiated, will add some objects into a list. This class has a method to add objects to a list (I made this a method because I need to reuse it later). This is the code for this class:
public class Task()
{
private List<ObjectA> objList;
....// other variables and properties
public Task()
{
objList = new List<ObjectA>();
// first add 2 obj into the list
AddObjToList(objList);
AddObjToList(objList);
}
public void AddObjToList(List<ObjectA> objList)
{
bool exist = false;
ObjectA obj = new ObjectA(); // each obj has unique properties
foreach(var o in objList)
{
if(o.objName == obj.objName)
{
exist = true;
break;
}
}
if(!exist)
{
objList.add(obj);
}
}
}
I have a web page that, when loaded, I want it to populate the objList with 2 starting objects. This is my code behind for the web page:
protected void Page_Load(object sender, EventArgs e)
{
Task newTask = new Task();
// the following label control is to check the number of
// elements in the List
lblMSG.Text = newTask.getObjList.Count.ToString();
}
The problem is, when I run in debug mode, the list is populated with 2 objects just as I wanted. But when not in debug mode, when the page loaded, the label showed that the list has only 1 object. I tried to call the new Task() with isPostBack but the result is the same. What did I do wrong? What could I do to make it work?
I'm implementing a DynamicItemStart button inside a Menu Controller. I'm loading the dynamic items for this button when Visual Studio starts. Everything is loaded correctly so the initialize method is called an I see all the new items in this Dynamic button. After the package is completely loaded I want to add more items to this Dynamic button, but since the package is already loaded the initialize method is not called again and I cannot see the new items in this Dynamic button. I only see the ones that were loaded when VS started.
Is there any way that I can force the update of this Dynamic button so it shows the new items?. I want to be able to update the VS UI after I added more items but outside the Initialize method.
The implementation I did is very similar to the one showed on this msdn example:
http://msdn.microsoft.com/en-us/library/bb166492.aspx
Does anyone know if an Update of the UI can be done by demand?
Any hints are greatly appreciated.
I finally got this working. The main thing is the implementation of a derived class of OleMenuCommand that implements a new constructor with a Predicate. This predicate is used to check if a new command is a match within the DynamicItemStart button.
public class DynamicItemMenuCommand : OleMenuCommand
{
private Predicate<int> matches;
public DynamicItemMenuCommand(CommandID rootId, Predicate<int> matches, EventHandler invokeHandler, EventHandler beforeQueryStatusHandler)
: base(invokeHandler, null, beforeQueryStatusHandler, rootId)
{
if (matches == null)
{
throw new ArgumentNullException("Matches predicate cannot be null.");
}
this.matches = matches;
}
public override bool DynamicItemMatch(int cmdId)
{
if (this.matches(cmdId))
{
this.MatchedCommandId = cmdId;
return true;
}
this.MatchedCommandId = 0;
return false;
}
}
The above class should be used when adding the commands on execution time. Here's the code that creates the commands
public class ListMenu
{
private int _baselistID = (int)PkgCmdIDList.cmdidMRUList;
private List<IVsDataExplorerConnection> _connectionsList;
public ListMenu(ref OleMenuCommandService mcs)
{
InitMRUMenu(ref mcs);
}
internal void InitMRUMenu(ref OleMenuCommandService mcs)
{
if (mcs != null)
{
//_baselistID has the guid value of the DynamicStartItem
CommandID dynamicItemRootId = new CommandID(GuidList.guidIDEToolbarCmdSet, _baselistID);
DynamicItemMenuCommand dynamicMenuCommand = new DynamicItemMenuCommand(dynamicItemRootId, isValidDynamicItem, OnInvokedDynamicItem, OnBeforeQueryStatusDynamicItem);
mcs.AddCommand(dynamicMenuCommand);
}
}
private bool IsValidDynamicItem(int commandId)
{
return ((commandId - _baselistID) < connectionsCount); // here is the place to put the criteria to add a new command to the dynamic button
}
private void OnInvokedDynamicItem(object sender, EventArgs args)
{
DynamicItemMenuCommand invokedCommand = (DynamicItemMenuCommand)sender;
if (null != invokedCommand)
{
.....
}
}
private void OnBeforeQueryStatusDynamicItem(object sender, EventArgs args)
{
DynamicItemMenuCommand matchedCommand = (DynamicItemMenuCommand)sender;
bool isRootItem = (matchedCommand.MatchedCommandId == 0);
matchedCommand.Enabled = true;
matchedCommand.Visible = true;
int indexForDisplay = (isRootItem ? 0 : (matchedCommand.MatchedCommandId - _baselistID));
matchedCommand.Text = "Text for the command";
matchedCommand.MatchedCommandId = 0;
}
}
I had to review a lot of documentation since it was not very clear how the commands can be added on execution time. So I hope this save some time whoever has to implement anything similar.
The missing piece for me was figuring out how to control the addition of new items.
It took me some time to figure out that the matches predicate (the IsValidDynamicItem method in the sample) controls how many items get added - as long as it returns true, the OnBeforeQueryStatusDynamicItem gets invoked and can set the details (Enabled/Visible/Checked/Text etc.) of the match to be added to the menu.
Scenario:
User submits search criteria and selects an item from search results on the same page, which navigates to a new page of details for the selected item.
When the User returns to the search screen, the search criteria & results (including selected page and sort-order) should be preserved from their last visit.
Related information:
All form submissions are POSTs.
Navigation back to the search screen may not be available from last browser history (e.g. more than one details screen may be encountered, or the user may navigate directly to the search screen from an alternative menu.)
Search results are provided using Telerik RadGrid control.
I'm looking for a generic solution that will be able to be applied to different search screens.
In some instances, the item may be DELETED from within the details screen, and should therefore not appear in the search results when the screen is next encountered.
Thoughts:
I've read a lot of suggested methods for addressing various parts of this scenario, but I'm still confused; no comprehensively "correct" solution jumps to the forefront.
I guess I'm asking for recommendations/approach rather than a whole solution spelled out for me (although that would be nice! ;-)
The .NET VIEWSTATE would seem to do exactly what I'm after (with the exception of #5) - Is there some way of leveraging off this so that viewstate can be used between pages, and not just between postbacks to the same page? (e.g. can I store/restore viewstate to/from a session variable or something? I haven't seen this suggested anywhere and I'm wondering if there's a reason why.)
Thanks in advance.
Thanks for all the advice.
For the benefit of others, here is a solution to this issue (no doubt there's room for improvement, but this works satisfactorily for the moment).
4 functions...
StoreSearchCookie - Persist the state/values of a panel of search criteria and a results grid in a cookie with a specified UID.
RestoreSearchCookie_Criteria - Read the cookie and re-populate the search criteira
RestoreSearchCookie_Results - Read the cookie and restore the grid state.
FindFormControls - Helper method to recursively find form-input controls in a container (pinched & modified from elsewhere on Stack Overflow)
NB...
I haven't addressed the multiple-tabs issue because our application doesn't allow them anyway.
RestoreSearchResults utilises GridSettingsPersister.cs available from Telerik website, (but I had to modify it to store the page number as well)
Usage is as follows...
protected void Page_PreRender(object sender, EventArgs e)
{
if (Page.IsPostBack)
{
// Store the state of the page
StoreSearchCookie("SomeSearchPage", pnlSearchCriteria, gridResults);
}
else
{
// Restore search criteria
RestoreSearchCookie_Criteria("SomeSearchPage");
// Re-invoke the search here
DoSearch(); // (for example)
// Restore the grid state
RestoreSearchCookie_Results("SomeSearchPage");
}
}
Code follows...
protected void StoreSearchCookie(string cookieName, Panel SearchPanel, RadGrid ResultsGrid)
{
try
{
HttpCookie cookieCriteria = new HttpCookie("StoredSearchCriteria_" + cookieName);
// 1. Store the search criteria
//
List<Control> controls = new List<Control>();
FindFormControls(controls, SearchPanel);
foreach (Control control in controls)
{
string id = control.ID;
string parentId = control.Parent.ID;
string uid = string.Format("{0}>{1}", parentId, id);
string value = "";
Type type = control.GetType();
bool isValidType = true; // Optimistic!
if (type == typeof(TextBox))
{
value = ((TextBox)control).Text;
}
else if (type == typeof(DropDownList))
{
value = ((DropDownList)control).SelectedValue;
}
else if (type == typeof(HiddenField))
{
value = ((HiddenField)control).Value;
}
else if (type == typeof(RadioButton))
{
value = ((RadioButton)control).Checked.ToString();
}
else if (type == typeof(CheckBox))
{
value = ((CheckBox)control).Checked.ToString();
}
else
{
isValidType = false;
}
if (isValidType)
{
cookieCriteria.Values[uid] = value;
}
}
cookieCriteria.Expires = DateTime.Now.AddDays(1d);
Response.Cookies.Add(cookieCriteria);
// 2. Persist the grid settings
//
GridSettingsPersister SavePersister = new GridSettingsPersister(ResultsGrid);
HttpCookie cookieResults = new HttpCookie("StoredSearchResults_" + cookieName);
cookieResults.Values["GridId"] = ResultsGrid.ID;
cookieResults.Values["GridSettings"] = SavePersister.SaveSettings();
cookieResults.Expires = DateTime.Now.AddDays(1d);
Response.Cookies.Add(cookieResults);
}
catch (Exception exception)
{
Logger.Write(exception);
}
}
protected void RestoreSearchCookie_Criteria(string cookieName)
{
try
{
HttpCookie cookieCriteria = Request.Cookies["StoredSearchCriteria_" + cookieName];
if (cookieCriteria != null)
{
foreach (string key in cookieCriteria.Values.AllKeys)
{
string value = cookieCriteria[key];
string[] ids = key.Split('>');
string parentId = ids[0];
string id = ids[1];
Control control = FindControl(parentId).FindControl(id);
Type type = control.GetType();
if (type == typeof(TextBox))
{
((TextBox)control).Text = value;
}
else if (type == typeof(DropDownList))
{
((DropDownList)control).SelectByValue(value);
}
else if (type == typeof(HiddenField))
{
((HiddenField)control).Value = value;
}
else if (type == typeof(RadioButton))
{
((RadioButton)control).Checked = Boolean.Parse(value);
}
else if (type == typeof(CheckBox))
{
((CheckBox)control).Checked = Boolean.Parse(value);
}
}
}
}
catch (Exception exception)
{
Logger.Write(exception);
}
}
protected void RestoreSearchCookie_Results(string cookieName)
{
try
{
HttpCookie cookieResults = Request.Cookies["StoredSearchResults_" + cookieName];
if (cookieResults != null)
{
string gridId = cookieResults.Values["GridId"];
string settings = cookieResults.Values["GridSettings"];
RadGrid grid = (RadGrid)FindControl(gridId);
GridSettingsPersister LoadPersister = new GridSettingsPersister(grid);
LoadPersister.LoadSettings(settings);
grid.Rebind();
}
}
catch (Exception exception)
{
Logger.Write(exception);
}
}
private void FindFormControls(List<Control> foundSofar, Control parent)
{
List<Type> types = new List<Type> { typeof(TextBox), typeof(DropDownList), typeof(RadioButton), typeof(CheckBox), typeof(HiddenField) };
foreach (Control control in parent.Controls)
{
if (types.Any(item => item == control.GetType()))
{
foundSofar.Add(control);
}
if (control.Controls.Count > 0)
{
this.FindFormControls(foundSofar, control); // Use recursion to find all descendants.
}
}
}
I need to execute Show created file name each time Watch files fires an event
WatchFilesActivity : NativeActivity
protected override void Execute(NativeActivityContext context)
{
var fileSystemWatcher = new FileSystemWatcher(context.GetValue(Path));
fileSystemWatcher.IncludeSubdirectories = context.GetValue(IncludeSubdirectories);
fileSystemWatcher.Filter = context.GetValue(Filter);
var bookmark = context.CreateBookmark(ResumeFileCreatedBookmark);
context.GetExtension<FileSystemWatcherExtension>().Start(fileSystemWatcher, bookmark);
}
Extension
public class FileSystemWatcherExtension : IWorkflowInstanceExtension
{
WorkflowInstanceProxy instance;
Bookmark bookmark;
public void SetInstance(WorkflowInstanceProxy instance)
{
this.instance = instance;
}
IEnumerable<object> IWorkflowInstanceExtension.GetAdditionalExtensions()
{
yield break;
}
public void Start(FileSystemWatcher fileSystemWatcher, Bookmark bookmark)
{
this.bookmark = bookmark;
fileSystemWatcher.Created += new FileSystemEventHandler(FileCreated);
fileSystemWatcher.EnableRaisingEvents = true;
}
void FileCreated(object sender, FileSystemEventArgs e)//When the file arrives
{
instance.BeginResumeBookmark(bookmark, e.FullPath, CompleteResume, null);
}
void CompleteResume(IAsyncResult ar)
{
var result = instance.EndResumeBookmark(ar);
}
}
This is working great, but only once, and after this the host closes.
I can't put a WhileActivity because I need to handle consecutive very fast file creations and the processing time of an incoming file(Show created file name, in this case) is greater than the file creation rate
Thanks!
For a starter I would make the Show created file name activity a child activity of the Watch files activity so it can control it's execution. Next I would add a bookmark resumption callback so Watch files activity can react to and schedule the Show created file name activity in the callback.
Optionally you might want to create your bookmark with BookmarkOptions.MultipleResume so you can handle as many file events as you want and only move on when you want to do so.
public class WatchFilesActivity : NativeActivity
{
public Activity Child {get; set;}
protected override void Execute(NativeActivityContext context)
{
var fileSystemWatcher = new FileSystemWatcher(context.GetValue(Path));
fileSystemWatcher.IncludeSubdirectories = context.GetValue(IncludeSubdirectories);
fileSystemWatcher.Filter = context.GetValue(Filter);
var bookmark = context.CreateBookmark(ResumeFileCreatedBookmark, OnFileCreated, BookmarkOptions.MultipleResume);
context.GetExtension<FileSystemWatcherExtension>().Start(fileSystemWatcher, bookmark);
}
protected void OnFileCreated(NativeActivityContext context, Bookmark bookmark, object value)
{
var fileName = (string)value
context.ScheduleActivity(Child);
}
}
Note: Code typed in Notepad so possible typos.
If you need to pass the file name on to the child activity you can use an ActivityAction to do just that. See here for an example using an ActivityFunc which is just like an ActivityAction except it also has a return value.