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  Strange behavior (IIS 8.5 and isapi)
Posted by: DelphiStudent - 09-26-2018, 08:56 PM - Forum: IntraWeb General Discussion - Replies (2)

Hello.

My project is deployed over IIS 8.5 (windows 2012 R2 server) as isapi, and it's configurated by the follows of this paper
http://docs.atozed.com/docs.dll/deployment/isapi/Deploying%20ISAPI%20using%20IIS.html

info about the project, IW 14.1 and CGdevtools, Servercontroller timeout to 20 mins.

everything works fine, it's a simple project where clients makes login and displays some simple data. When the user makes clic over a menu the IWproject answers quickly.

But, am noticed that if the user is working on a sesion (navigating through the menus ), and leaves the application still for more than 1 minute (minimum) in absolutly inactivity, 
the first clic wherever is it (even if the clic is just to show some frame and not accesing any data), takes around 1 minute to be procesed, experiencing a LAG.

I don't know why it is happening, because if the user work on the IWproject making constant clics and accesing the data, all seems to be fine.
the problem is if you make a pause for more than 1 minute.

I don't know the cause, but it seems like the IIS lost the reference of the session, and after 1 minute , at a new request, it has to build again (am not sure about this).

somebody has the same behavior?
is left some setup on IIS??
maybe something about garbage, or cache files, something?

I want to say that IW its a great product, but this bug make unhhappy the customers who thinks that thw webbrowser is freezing.

NOTES:
1.  I saw a report with this same case, but noones answered to him, at   https://www.atozed.com/forums/showthread.php?tid=641
2.  Your first clue will be the database connection, but, I'd made a sample project with just navigate throug menus, showning controls, and the LAG is present too.
3. this demo, from CGDevTools, has the same behavior, after 1 minute of inactivity, a new request takes a long time (like a new connection)


https://www.cgdevtools.com/demo/JQueryDemoV3_IW14_ISAPI.dll

test it by yourself.


Can you help us?
anyone in the Atozed community have the same problem?

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  IsPostBack Error
Posted by: LorenSzendre - 09-26-2018, 04:30 PM - Forum: IntraWeb General Discussion - Replies (7)

I just solved what I hope is the last issue in the conversion of my massive IW 14 app to IW 15.

I had one screen where I allow the user to set a wide array of filters, then I build the WHERE clause and open the query (FireDAC) in a regular Click event on a TIWButton.

It worked great in IW 14. But in IW 15 I would set the parameters, click Search -- and nothing would show up. I quickly learned that if I clicked the button twice, data would show up.

Very odd.

Just today I tracked it down to the code in OnRender that checks for (not IsPostBack) before initializing the adapter for my ORM. Somehow after a click IsPostBack is NOT True on the first PostBack. This led to my adapter being created again, overwriting the first one and closing my query.

I changed my code to use IsFirstRequest, and it works fine now.

But I think y'all oughtta take a look at IsPostBack in IW 15 in Delphi 10 Seattle -- something's wrong.

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  Bootstrap 4
Posted by: ShaneStump - 09-26-2018, 04:19 PM - Forum: IntraWeb General Discussion - Replies (6)

Howdy All!

Is there a time frame for when IW #.## is going to include Bootstrap 4?

The Bootstrap 4 components look promising to new responsive web  apps:

https://getbootstrap.com/docs/4.0/components/alerts/

Thanks,

Shane

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  Beta 1 Released
Posted by: kudzu - 09-25-2018, 09:14 PM - Forum: IntraWeb 17 - No Replies

https://www.atozed.com/2018/09/intraweb-...-released/

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  IWBootstrap as part of IW15
Posted by: jeroen.rottink - 09-25-2018, 07:52 PM - Forum: IntraWeb General Discussion - Replies (9)

I just upgraded from IW14 to IW15 (paid). Because I used IWBootstrap in IW14 I now went for the included IWBootstrap version.
First stop is to see if everything is still working. I used the (old) IWBSDemo for this. 
This demo isn't working anymore.

  • Some compile errors 
    EscapeJsonString changed into TextToJsonStringProperty (fixed)
    IWBSCustomEvents.TIWBSCustomRestEvent.RestEventPath Don't know how to solve this so kept it disabled
  • AV after running the application and starting the first session
    Seems to do with initializing TIWCompressor (fixed)
  • Starting Fishfact demo gives an error
  • File download by ajax is not working anymore
  • Closing the modal dialog (TFrame) from Dialogs/Alerts gives a javascript error 'Cannot read property 'IWRelease' of undefined'. Can be that this was always the case. Not sure.
To get people using these 'new' pieces of IW a good demo would be an invaluable starting point.
Maybe a modified and working version of this demo can be published on GitHub.

Using IW15.0.13 ultimate

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  TIWModalwindow force visualization
Posted by: geremiah - 09-25-2018, 03:45 PM - Forum: IntraWeb General Discussion - No Replies

I'm using an IWModalwindow attached to an IWregion with an IWMemo control where are showed status messages while sending an email message with indy components.
The problem is that the IWModalwindow is showed at the end of all operations but i would like to show the messages step by step.
Is there a way to force the IWModalwindow immediate visualization ?
Thank you.

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  software protection
Posted by: Madammar - 09-25-2018, 07:38 AM - Forum: Delphi General Discussion - Replies (7)

i am using some cryptography inside my software , i understand that the keys needs to be zero out from the memory in order to prevent hackers to catch the key

but i feel this isn't enough , using ollydebug can also break the rule before memory getting cleared by stepping into the code

before the zeromemory called

is there any suggested way to harden some code function from being stepped by debuggers

i have tried to check if the application is running in debug environment using IsDebuggerPresent but this easly can be bybassed by ollydebug plugins

is there something extra can be done ?

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  Issue with StringArray property
Posted by: Jofreeze - 09-24-2018, 08:29 AM - Forum: CrossTalk General Discussion - Replies (20)

Hello,
I have an issue reading a property declared as array of strings.


My unit (generated by CrossTalk ClassGen) contains a property AllIDs: StringArray read AllIDsRead:

Code:
function SelectionChangedEventArgs.AllIDsRead: StringArray;
begin
  with TRight.GetPropValue(Self, '', 'AllIDs') do try
    Result := NET.mscorlib.StringArray(Results.ReadObject);
  finally Free; end;
end;


When this function is called, I get an exception from:

\CrossTalk\Source\Atozed.CrossTalk.Streams.pas

function TCTStreamReader.ReadObject(aClass: TClass = nil): TObject;
 -> raise ECTException.Create('Unknown type found during unboxing.');

because xType = dtObjectList {205}

I also have a function returning an StringArray (not a property), and this one works without error:

Code:
function FAL_GAN_LINK.GetAllDataRecordsIds: StringArray;
begin
  with TRight.MethodCall(Self, '', 'GetAllDataRecordsIds', 0) do try
    Result := NET.mscorlib.StringArray(Results.ReadObject);
  finally Free; end;
end;

with xType = dtNewObject {206} in ReadObject.

Is it a bug with StringArray properties?

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  Span in IW Bootstrap
Posted by: LorenSzendre - 09-23-2018, 11:42 PM - Forum: IntraWeb General Discussion - Replies (3)

Does anyone know how to get a span in IW Bootstrap?

I added a TIWBSRegion and thought I could set the TagType to span, but it only gave me the options for div, headers and p.

So I tried TIWBSText -- and it started out well -- I could set the Tag to span. But then I found that this component cannot act as a container.

There is no TIWBSSpan component.

What is the solution? How do I put a container component on my page that has the tag of span?

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  CSS Grid
Posted by: LorenSzendre - 09-23-2018, 09:28 AM - Forum: IntraWeb 17 - Replies (5)

Will IW 17 have built-in support for CSS Grid?

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