Terminating Objects In Memory
In ASP, is it absolutely necessary to set an object to Nothing after being used?
set myObj = server.createObject("myDLL.myClass")
call myObj.useClass
set myObj = Nothing <--- can I omit this?
I'm dealing with a large number of files with nested includes. There are many places where I use the object, I want to avoid initializing the object any more than necessary, and I want to change as few pages as possible. The simplest way for me to do this is to not set the object to nothing. Will ASP implicitly remove the object from memory,
or will I have a memory leak?
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I am in the process of writing a simple web server monitor (ASP.Net with
VB.Net). One piece of useful information for me to gather would be the
amount of memory used by objects stored in the cache, since objects are
thrown in there left and right.
Items in the cache are either custom objects or are Hashtables. How can I
get the memory size of these objects.
Marshal.SizeOf(object) does not work in this case because .Net cannot
Marshal Managed objects. I thought that I might be able to pull out the
component items in each object and build the total size from their aggregate
sizes, however that would require me to determine each objects type so that I
can correctly gather size info from the internal attributes, something that I
do not want to do.
Is there a generic way to either:
1) get the size of Managed Objects
2) convert Managed Objects into Unmanaged Objects that can be marshaled?
OR
3) some other way to get memory sizes of cached objects
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In our project, we have a situation where the administrator needs to 'force log off' a particular user under certain conditions. In other words, the admin user needs to have the ability to kill any other user's session.
Is this possible? By using the session properties, we can kill the current session (the current user's session) but is it possible (for the admin user) to kill some other user's session?
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We are receiving an error in our ASP website that used to run fine on our old servers but seems to be struggling on our new ones, I'm wondering if you've seen this error before?
Microsoft Cursor Engine error '8007000e'
Out of memory.
/oob/activities/default.asp, line 470
The last line that shows where the error happening is different on every page but it appears at the first database connection on each page.
The only way to get rid of the error and get the site working again is to recycle the application pool for the site (or restart IIS).
We have two servers, one running IIS and the other running MSSQL 2005. Both are the following specs: Code:
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I think I already know the answer ("NO"), but I figured I'd ask anyway:
Is there a way to populate a SQL-like object entirely in memory, without having to save it in a SQL-like environment like MySQL, MS-SQL, or Access?
I'd like to take the contents of some CSV's and dump them into a virtual SQL table, and then call from that table using a SQL statement ("SELECT * FROM VirtualTable WHERE Foo='Bar'"). I know that in .NET I could use a data-grid to do basically that, but I was wondering if there was a classic ASP solution.
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I am getting an ASP error.. that tells the server it is OUT OF MEMORY.then the server displays a message about the DLLHOST.exe and it waits for an "OK" from me.after hitting OK... it goes back to working fine.BUT, while the notification is up on the screen.the website is NOT AVAILABLE.that is the message that visitors get when they try to get to the website.so, is there a way I can tell the system to SKIP the notification .andmjust restart the service.
What memory is the issue here.I am assuming this memory error is coming from an INFINITE LOOP or something.from one of my ASP pages. so, I would imagine the best move would be to get RID of the "On Error Resume Next" code at the top of my pages.. to try and isolate the problem?
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I was working with filesystemobject in asp.
When i give filesysstemobject.copyfile the system will be gogin searching indefelty and IIS will get crash..
Why this pblm occurs..
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I would like to know if someone has already exchange ASP objects by SOAP with the SOAP Toolkit 3.0 ? Is-it possible ?Because, I have to connect, with ASP, to a Web Service and send to him array of objects.
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I'm so glad i finally found a web development forum! It's been a while and it's not easy to find. Until someone recommended this site to me.
Enough about that... I really want to learn about COM objects and don't really know where to go to find out about such things.
If someone could direct me to the right place, i'd be extremely grateful.
I've already learned ASP and PHP (though i have to admit that i am not an expert and I don't think i'll ever be one), but i aim to be a "jack of all trades".
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anyone have better information on IIS 5.0 memory behaviour on setting objects to nothing?
Connections and recordsets of course should be set to nothing, but should for example XMLNode object be set to nothing?
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I have a object which I declare as a application object "gObj".
I need to use "gObj" with all sessions. I need "gObj" to have access based on the user's id. Is this possible without creating multiple gObj's?
Code would be something like:
Application_OnStart
set gobj = Server.Create( "someDll" )
gobj.uname = "somename"
gobj.port = 1234
gobj.pwd = "pwd"
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I'm having a problem that I can only attribute to something that I don't
know about ADO. I am using an ADODB.Connection with .CursorLocation = 3
since I am using MSSQL with text fields.
I am running a large set of 4 LEFT JOINS (5 tables in all). Currently
my recordset is returning 168 rows and 23 colums. After looping through
the ADO connection 27 times (creating a pdf report for users to print)
the data goes nutz. I have tried using different inputs and no matter
what on the 27th time is stops.
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Does any body know any tool that profiles Internet Explorer for memory
leaks.
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I am trying to write a search script in my spare time at work. We have a knowledge base consisting of 200+ .mht files. My script was working ok when I was testing it on just a few files but I am getting out of memory errors trying to search through the whole KB. Here is the search code:
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am just wondering is there a easier way to release all the memory after the program is done?or do I need to set all my variable = nothing one by one at the end of my code?
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We've got this problem on our site where slowly eats virtual memory until IIS stops serving pages...
Restarting the IIS process fixes the problem, until the next time it reaches that point. I've made sure all our ADO objects are being closed and set = Nothing. I don't know what else could eat up all that memory...
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I am trying to create a search script but I am running into an out of memory error. Here is the search subroutine which loops multiple times:
Code: .....
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Had developed a webpage to refresh automatically from one ASP page to another, with the feature of displaying local data that is actively poll & inserted from other remote database servers. The local server is using IIS & Microsoft SQL 2000. I have the problem of "Out of Memory at line 30" after the ASP page has ran for 13 hours, at client machines that is connecting to the server hosting the ASP. However by closing the Internet Explorer and re-open the ASP page, the problem is temporary resolved until another 13 hours later. I think i've had the server objects set to nothing, and had put all queries into sub. I couldn't think of other solution for the problem...
Is duplication of sub affecting the performance? Any setting to be done on server, e.g. IIS / SQL? I've attached the ASP file.
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Are there any tools to test asp code on memory leaks. Or the took that will monitor IIS server against specific asp-page in order to find mem leaks on in.
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I've created a simple pop-up form that
takes the required info and sends it via e-mail. Right now, I've got
the From E-mail, the To E-mail, the Subject, and the TextBody. It
works, and it's fine, but I'd like to spruce it up a little so I can
make it more personalized. Can I add other objects? I've been
searching for a general reference online that lists all my choices for
ObjCDO, but can't find anything, and any ideas of my own ("FirstName",
"Comments", etc.) have been shot down as not being supported.
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I have stored a .gif and jpeg file in the database as the BLOB object.
Now I am trying to create a report which displays that gif file along with another information.
Is there a way I can display the BLOB objects on the page without having to use any crystal report tool or anything ?
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I build a ATL object that is used in an ASP page.
Can I insert events inside this ATL object?
ATL is builded in C++
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I have a website with a large collection of pages. Many of these dynamic pages use multiple objects created via the Server.CreateObject method. There are filesystem objects, recordsets, browsertype objects, you name it. I need a script that will loop through all of the objects and Set them = Nothing to destroy them.
I imagine the script would be somewhat like this.
For Each obj In ServerObjects
If IsObject(obj) Then
Set obj = Nothing
End If
Next
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I created a label, a textbox and a button when i build the webform and try to see it with the explorer it only show the label
The other 2 objects (textbox and Button) at the Visual Basic.Net editor at the properties are visible and in the code i have
<asp:TextBox id="TextBox1" runat="server" Width="122px"></asp:TextBox>
What can I do that
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I've read that you shouldn't store objects in Session variables.
I've read these reasons:
- The object takes up memory that may not be freed until the session times
out. Better to create the object only when you actually use it.
- Causes poor performance because the thread that created the object has to
service all requests for it.
Assuming I can live with the memory and performance implications (a big if,
but let's assume it for a minute), what other reasons are there?
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1) can any one tell me what are built in objects in ASP 3.
in asp 2 it was
request
response
session
application
server
object context object
2)what are asp variables ?
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I have a problem with including an object in my asp page. I�ve translated an algoritm I found that was written in javascript and it needs a method, floor(), from System.Math to work.
in javascript you can just write Math.floor(x+1) but it seems asp doesn�t automatically include that Math object. It�s a little weird since the method Round() can be used withour any includes of any kind and thats a part of the Math object!
So... How do I do to access this floor() method?
I tried to write:
<%Imports System.Math %>
but it doesn�t seem to do the trick.
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Can i get any asp sample codes to retreive photo's from access database
For instances:To get codes on your pages Response.write......
similiar for images.
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Set obj = Server.CreateObject("")
can the above statement be used to create any objects other than a recordset?
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I have scripts on a server that awhile back had new option/server packs installed (to accomodate security and net framework issues) and my classic asp date references
"Date()" and "Now" will sometimes flip flop the formatting of the date from 10/3/2003 to 3/10/2003 (european mode).
What would be a good way to use an include file to perhaps an asp.net date object, or where would I find a good reference to using an aspx file to calculate and display the date properly so that I can avoid this flip flop snafu of the date formatting.
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ISessionObject is created each time When any ASP Page is started executing and destroys on the page ends (not session end) while the session state (data) is originated already somewhere from where ISessionObject fetches.
When user Request another page the ISessionObject is again constructed and the data from original location is loaded from there.Same with IApplication type object & IScriptingContext object.
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I've a client-server application written in Access. Some of the codings make use of OLE so that the Access application creates a Word document on the fly and fit in relevant values.I'm examining if using ASP pages can do similar function (to create and manipulate OLE objects)?Anybody knows if ASP can do?
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I want to have a little box on my asp login panel. I want to be able to display the following
Number of databases
Number of tables
Number of users (logins)
Time/Date of last update
Last user logged in
How can I go about doing this? What code do I need?
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