I've tried applying several suggestions found on the web, but still experiencing cached results when querying CRM 2011 with linq. My web.config reads as follows, which is supposed to disable result caching:[code]I can live with that, but it would be nicer, instead of recreating the context, to have a way of ensuring no caching either in code or in web.config.
View 2 RepliesI'm not sure I wrote the headline right, but I've got a service that holds a password in memory. It's notification thing, and so will be running 24/7 ideally.
It uses a password to some other resources that I send to it at startup in a UPD packet.
I'd like to find a way to instruct windows never to stick that value in the disk cache so if the worst happened, the theoretical bad guy couldn't pick apart the cache and find the password.
I'm using interop.msxml2.dll to open XML and txt files off an Internet server. The response that is received from the server is stored in my application's variables. I've recently noticed that the application doesn't always update the information when it goes to download a file that it has already downloaded in the past. For example, if it downloaded a file off the server when it started up, then when it attempted to download the new, changed file 5 minutes later, it would still return the same value as the first one. Even after closing the application, it would still return the incorrect, older value. How to stop this "caching" of data, and only allow the program to download the latest file off the server.
View 1 RepliesI've got a 2 part question: First question: I know that there is a query limit of 5,000 records when querying records, for performance reasons, but is there a limit when doing an aggregate query? If so, what is it? I need only to query the number of records and for one entity I can get a result of 39,000+ records, but for another entity I see an error message like:
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I have a datetime datatype field in mssql2005 database ...
which retrieves the date in gridview as .. 4/7/2011 12:00:00 AM
but i want it retrieve date as 7-Apr-2011
For some reason vb keeps changing my dates format and removes the 0s at first this wasnt a problem but it really messes up my sorting in my gridview.
Dim aftersubtraction As Date
aftersubtraction = departuredate.AddDays(-dates1.Text)
dates.Add(aftersubtraction.AddDays(-gracep.Text))
i'm working on a voting system but im having problems in adding records... i have two a primary key, the idnumber and the address. the address is where I base if that certain address already voted. but the problem is everytime i try to add a record with the same address (ex. Block 1 lot 4), the data is duplicated which is not output i want. the program should detect that there is already an existing address.
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I currently have a control that called MyGridview that inherits Gridview. It has a paging template within it for customized paging options, and I'm at the point where I want to cache the initial datasource for better performance.I haven't done this in a long time, so perhaps there is a different solution these days with the newer frameworks.Before, I simply used a Cache object that was named whatever the gridview was named. I couldn't use the same gridview name through the application though.Is there a best way to have a cache object, or some other object like a session within the control to store those unique datasets for paging and sorting?
View 1 RepliesI'm pulling data from a Lotus Notes database, this works fine but when I change the data and pull it again, it doesn't take the changes, a restart solves this so it must be getting cached somewhere, how do I prevent it?[code]...
View 7 RepliesIs it possible to cache dataset which is accessible globally.Example: One windows service creates a dataset and caches it.Another Web Application and Windows application references that cache and populates in datagrid.
View 2 RepliesI need to implement caching in Asp.net web application My need to store data with different ID's. So which method is better ?
Use a dictionary variable. Insert the data (key as ID and data as value).
Dim mDict As New Dictionary(Of String, String)
mDict .Add(bID, uwtTree.WriteXmlString(True, True))
Cache.Insert("mTree", mDict)
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Which method is the best way ? Or is there any other method exists ? I am using .Net 3.5 /IIS 7 (VB.Net).
Is there a way to disable asp.net caching on selected page. It would be nice if this can be done from the web.config.
View 3 RepliesI'm having a http handler that is retrieving images from the file system on the server. I need to cache these images on the client side(browser). For that thing i'm doing the following code
context.Response.Clear()
context.Response.ClearHeaders()
context.Response.ClearContent()
[Code].....
The thing happening with this is ... When i switch between the tabs its taking it from the cache... but when i hit the browsers refresh button its again going to the file system on the server. how to cache these images on the client side.
P.S: Cant do markup caching for all the pages im my application.
I've been playing around with implementing an abstract base class that using reflection accomplishes SQL to Object mapping.
I did some benchmarks and decided I wanted to implement a caching strategy for the property info of the objects (to prevent future lookups on them). My first instinct was to try and implement something like this.
Public MustInherit Class BaseModel
Implements IFillable
Private Shared PropertyCache As List(Of PropertyInfo)
[Code]....
I have been googling for hours and trying to figure this out, and I just can't.I have 1 webbrowser control on a form, webbrowser1. Once I load a page, say google.com, if I use webbrowser1.refresh() or webbrowser1.navigate("google.com"), it's not reloading the page, it has it cached so it's just reloading the cache. This is terribly apparent especially on pages like forums or craigslist.
View 6 RepliesI'm making a webbrowser for the pc's on my school, but I want to clear cache & clear cookies everythime someone exit's the webbrowser. Is there a simple code for it?
View 1 RepliesA quick question on caching dataset objects. How can I know if the data is changed in Sql when caching data? I don't want to specify time constraints but used a strategy where data is changed in sql and I have to refresh my cache?
View 1 RepliesWe have data that's updated nightly in a database residing in the same instance as my app's database. So to save on database calls, I want to cache this static-for-the-day data into a List(Of MyObject). From a theory point of view, should this cached List(Of ) be cached in the presentation layer code, via a global variable? Should it be in a global variable in the .DLL?I'm thinking in the .DLL, because I created a service layer, which is exposed publicly to the GUI and makes calls to the data access layer inside the .DLL:
Public Shared Function Search(ByVal criteria As Core.Other.Customer) As List(Of Core.Other.Customer)
' TODO: Check the customer cache to see if it has been populated yet. If not, populate it.
If 1 = 1 Then
[code]....
i build my project and i made a copy of the windowsapplication1.exe and tried to open itwith txt editor.. i tried to search for "chris" (computer username) and i see that:[URL]
View 2 RepliesI am trying to implement image caching for a web application and I found some code on the Internet that implements an HttpHandler that does this. The code was in C# and since my web app is written in VB, I decided to convert the code to VB. I managed to convert everything except the following code (in bold):
public class FileExtensionCollection : ConfigurationElementCollection
{
public override ConfigurationElementCollectionType CollectionType
{
[CODE]...
From what I can understand, the two properties above provide a way to access the FileExtension collection either using an integer or a string index. My problem is that I do not know how to convert this in VB.
Have experience with web scripting languages and SQL but am still getting used to VB.Currently using VS2008 to create a simple app in VB 2008 that uses a WebBrowser control. The user navigates to a web page, hits a button, and then every minute the web browser automatically refreshes, gets the page length, and alerts if the page length has changed by more than 100 chars.Unfortunately, I am noticing that VB uses the cached version of the page when it refreshes (I am using WebBrowser.Refresh, but have also tried using WebBrowser.Navigate(same page as before)). Is there any way that I can delete just that page in the cache without clearing the whole thing from my application before it reloads and calculates the new page length?
View 2 RepliesI'm using a technique similar to Rick Strahls example, but have notcied using google's speed tracer that
Resource Caching : @10.88s - The following resources specify a "Vary" header that disables caching in most versions of Internet Explorer. Fix or remove the "Vary" header for the following resources:The question is Which versions of internet explorer? If I include a way of only outputting Vary for all browsers except early version of internet explorer, will this get resolved?
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Our CRM 2011 database contains approx. 20000 contacts, and I need to loop through all of them using the SDK. Currently I'm finding the following linq query takes a very long time to execute:
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So I have a Powerpoint presentation. It contains numerous images on it, referred to by image X. (So it's the same image but on multiple pages) These same images on different pages/slides have different width/height attributes associated to them. So even though they're the same image, they may not be the same size.
So there exists a scenario where an image exists on a lot of the slides. I want the ability to replace all of them at the same time (quickly) without having to go through each slide and separately replacing X, one at a time with the new image.
Is this possible? (yes/no)How would this be accomplished? (abstract - high level explanation is only required)
Anyone using Crystal reports 2011 with VB.Net 2008 Pro? my work is willing to buy this but I just want to make sure it will work, the dynamic as opposed to static query values is what interests me about it.
View 1 RepliesI am developing a windows forms smart client that uses Fluent Nhibernate 1.1 and NHibernate 3.0 for persistence. Due to legacy code I have had no option but to create a single session that handles all client level CRUD operations. This tends to leave the Nhibernate session in a stale state. So I have made the decision to use QueryOver to eliminate this stale data issue, as I was under the impression that query results were not cached. This doesn't seem to be the happening as the results returned from NHibernate seem to be cached. My question is does the default implementation of QueryOver use some sort of caching when the results are returned?
View 1 Replies- I'm working on a windows forms application (.NET 4.0). - My form contains a 'Fast Line' chart using the Microsoft chart control included in VS2010. - The chart gets filled with about 20,000 datapoints. - My application then starts receiving market data from a server via DDE (Dynamic Data Exchange) in real-time and adds it the chart.
Note: I have no control over the server and so I have to deal with DDE only even though it's an outdated technology. VS doesn't support DDE anymore and so I use the Ndde library which works like a charm.
Private Sub StartDDE()
'first we connect to the DDE server:
Dim client As DdeClient = New DdeClient("ServerApplication", "Bid")
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I have Customer search screen and Customer Detail Screen, On Search set up a ShowLink on Name ,so when ever a user click on Name the Detail Screen Opens with that Customer data.
Whenever i change something into Detail Screen and press save, it Updates the customer. Its Fine.
But i want provide a functionlity of AddNew Record for that customer, So i have put a Button "AddNew" on ScreenCommandBar that clears all the fields in the Detail Screen. But it still Updates the Customer..
How can i code for add new record in Detail Screen?
I have been struggling with this problem for several hours now and can't find the reason for the error message...I am reading a datetime string from a txt file, it returns this:"01/31/2011 6:13 AM" Now, I want to convert this string to datetime format. I don�t want to change the structure of the date... just want to convert in order to do some minutes and seconds calculations.I have tried all kind of options:
Timespan
Datediff
Parse
ParseExact with format.... culture... globalization
Nothing seems to work!
I need to stop all running workflows associated to an incident (and those with a name that begins with "Auto_").
However, I can't seems to find any documentation on how to stop workflow programmatically and I can't find how they are stored in the DB.