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  • When I try to show an image on linklabel click, I get an error

    - by JB
    When I try to show an image on linklabel click, I get an error: unrecognized escape sequence. Code: public void linkLabel1_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e) { System.Diagnostics.Process.Start( "mspaint~C:\Users\Joshua Banks\Desktop\Downtown_atlanta_night.jpg"); }

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  • Searchfield with autocomplete ASP.NET and Database

    - by Fogh
    Searchfield with autocomplete I would like to make a searchfield with autocomplete, so when you write like 2 or 3 letters it will show a dropdownlist with results that match a column from a table in the database. I have been reading all over the internet, and i have found out that it can be done with jQuery and AJAX Control Toolkit. But i don't know how to make it compare the search textbox and the database and show results that match?

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  • ToolStripMenuItem not closing when a child ToolStripMenuItem is Clicked in a C# WinForm

    - by Poco
    Is there a way to have a ToolStripMenuItem not closing when I click a child control (in its DropDrowItems Collection)? In my case, I have some ToolStripMenuItems that work as a check box. Actually, I implemented a radio behavior in some ToolStripMenuItems using their Check property. But I don't want the menu closing when I click any of them, because they aren't an action, they represent just options in the menu item. Is that possible?

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  • How can I get System.Type from "System.Drawing.Color" string

    - by jonny
    I have an xml stored property of some control <Prop Name="ForeColor" Type="System.Drawing.Color" Value="-16777216" /> I want to convert it back as others System.Type type = System.Type.GetType(propertyTypeString); object propertyObj = TypeDescriptor.GetConverter(type).ConvertFromString(propertyValueString); System.Type.GetType("System.Drawing.Color") returns null. The question is how one can correctly get color type from string (it will be better not to do a special case just for Color properties) Update from time to time this xml will be edited by hand

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  • Which program do you recommend for monitoring the list of installed programs in Windows? [closed]

    - by Nickolai Leschov
    I am in charge of a computer network in a small company (20..30 computers). Recently the need arose to control what kinds of programs our company is using i.e. to collect information that is available when one opens "Add or Remove Programs" in Windows. I would like to have a program that will collect this kind of information over the network of Windows machines. What is your recommendation?

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  • How to show hierarchial data in a dropdownlist.

    - by vaibhav
    I have a table in sqlserver 2005. I want to show all domain name in a dropdownlist maintaing the same hierarchy. i.e Law Engineering --civil --Mechanical Medical --Dental ----Cavity --MBBS I need to append '--' according to the domain level. Is it possible using a sql query. or alternatively can I have any other control to show this data.

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  • IQueryable and lazy loading

    - by Nelson
    I'm having a hard time determining the best way to handle this... With Entity Framework (and L2S), LINQ queries return IQueryable. I have read various opinions on whether the DAL/BLL should return IQueryable, IEnumerable or IList. Assuming we go with IList, then the query is run immediately and that control is not passed on to the next layer. This makes it easier to unit test, etc. You lose the ability to refine the query at higher levels, but you could simply create another method that allows you to refine the query and still return IList. And there are many more pros/cons. So far so good. Now comes Entity Framework and lazy loading. I am using POCO objects with proxies in .NET 4/VS 2010. In the presentation layer I do: foreach (Order order in bll.GetOrders()) { foreach (OrderLine orderLine in order.OrderLines) { // Do something } } In this case, GetOrders() returns IList so it executes immediately before returning to the PL. But in the next foreach, you have lazy loading which executes multiple SQL queries as it gets all the OrderLines. So basically, the PL is running SQL queries "on demand" in the wrong layer. Is there any sensible way to avoid this? I could turn lazy loading off, but then what's the point of having this "feature" that everyone was complaining EF1 didn't have? And I'll admit it is very useful in many scenarios. So I see several options: Somehow remove all associations in the entities and add methods to return them. This goes against the default EF behavior/code generation and makes it harder to do some composite (multiple entity) LINQ queries. It seems like a step backwards. I vote no. If we have lazy loading anyway which makes it hard to unit test, then go all the way and return IQueryable. You'll have more control farther up the layers. I still don't think this is a good option because IQueryable ties you to L2S, L2E, or your own full implementation of IQueryable. Lazy loading may run queries "on demand", but doesn't tie you to any specific interface. I vote no. Turn off lazy loading. You'll have to handle your associations manually. This could be with eager loading's .Include(). I vote yes in some specific cases. Keep IList and lazy loading. I vote yes in many cases, only due to the troubles with the others. Any other options or suggestions? I haven't found an option that really convinces me.

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  • Permanent access token to an app that posts to a fan page - error code:1

    - by Leandro Guedes
    I'm following the steps very well described here http://stackoverflow.com/a/18399927/2510225 , but, from my server, I receive the following error: {"error":{"message":"The access token does not belong to application APP-ID","type":"OAuthException","code":1}} I can't figure what I'm doing wrong. Anyone knows if the process to get a permanent access token has changed, or is having the same issue? The access token I'm using in the request is the user access token, which I think is correct.

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  • Invoking powershell from Java

    - by Hannes de Jager
    Anyone know of a good library to invoke powershell scripts from within Java? I'm currently spawning a seperate process (powershell.exe) and then parse the output, but it would really be nice if I can leverage Powershell's 'power' by getting objects back from a powershell call. Edit: Otherwise, anyone else doing such interop? What method do you use?

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  • Using properties in web.xml

    - by Pich
    Hi, I would like to control the settings in web.xml and using different once for different environments. Is it possible to use a property, from a property file on classpath, in web.xml? Something like this: <context-param> <param-name>myparam</param-name> <param-value>classpath:mypropertyfile.properties['myproperty']</param-value> </context-param> Best regards P

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  • Performance of looping over an Unboxed array in Haskell

    - by Joey Adams
    First of all, it's great. However, I came across a situation where my benchmarks turned up weird results. I am new to Haskell, and this is first time I've gotten my hands dirty with mutable arrays and Monads. The code below is based on this example. I wrote a generic monadic for function that takes numbers and a step function rather than a range (like forM_ does). I compared using my generic for function (Loop A) against embedding an equivalent recursive function (Loop B). Having Loop A is noticeably faster than having Loop B. Weirder, having both Loop A and B together is faster than having Loop B by itself (but slightly slower than Loop A by itself). Some possible explanations I can think of for the discrepancies. Note that these are just guesses: Something I haven't learned yet about how Haskell extracts results from monadic functions. Loop B faults the array in a less cache efficient manner than Loop A. Why? I made a dumb mistake; Loop A and Loop B are actually different. Note that in all 3 cases of having either or both Loop A and Loop B, the program produces the same output. Here is the code. I tested it with ghc -O2 for.hs using GHC version 6.10.4 . import Control.Monad import Control.Monad.ST import Data.Array.IArray import Data.Array.MArray import Data.Array.ST import Data.Array.Unboxed for :: (Num a, Ord a, Monad m) => a -> a -> (a -> a) -> (a -> m b) -> m () for start end step f = loop start where loop i | i <= end = do f i loop (step i) | otherwise = return () primesToNA :: Int -> UArray Int Bool primesToNA n = runSTUArray $ do a <- newArray (2,n) True :: ST s (STUArray s Int Bool) let sr = floor . (sqrt::Double->Double) . fromIntegral $ n+1 -- Loop A for 4 n (+ 2) $ \j -> writeArray a j False -- Loop B let f i | i <= n = do writeArray a i False f (i+2) | otherwise = return () in f 4 forM_ [3,5..sr] $ \i -> do si <- readArray a i when si $ forM_ [i*i,i*i+i+i..n] $ \j -> writeArray a j False return a primesTo :: Int -> [Int] primesTo n = [i | (i,p) <- assocs . primesToNA $ n, p] main = print $ primesTo 30000000

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  • Radio button list asp.net

    - by user192972
    Hai, I have a radio button list control with open,close as list items.I have two columns in my database as Start Bid and End bid both the columns are datetime datatype.If i select the open list items and click search button it should show only bids that are open else viceversa. Please suggest me with example. Regards Basanth

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  • When i am adding eventHandler on combo in datagridview, its adding eventHandler to all other combo o

    - by Rajesh Rolen- DotNet Developer
    i am using VS2005 (c#.net desktop application). when i am adding eventHandler to a combo of datagridview, its automatically adding same eventhandler to all other combos of same datagridview.. my code: private void dgvtstestdetail_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e) { DataGridView grid = (sender as DataGridView); if (grid.CurrentCell.OwningColumn == grid.Columns["gdvtstd_TestParameter"]) { ComboBox cb = (e.Control as ComboBox); cb.SelectedIndexChanged -= new EventHandler(dvgCombo_SelectedIndexChanged); cb.SelectedIndexChanged += new EventHandler(dvgCombo_SelectedIndexChanged); } }

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  • Enable or disable column based on other column

    - by kundan
    Hello, I have Application with 3 columns Result - Radio button pass and Fail IF Fail - Radio Button Minor and Major Be Specific - Multiple Choice - Active X control/ Browser/ Display / Others I want to disable If fail and Be specific if Result is selected pass. How can I do it Thanks Kundan

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  • Stopping infinite loops of alerts in Mozilla

    - by Christy John
    This may be dumb question. But somehow this engaged me for sometime and after some basic research I couldn't find an answer. I was learning JavaScript and a code I wrote had an error and has been outputting infinite loops of alerts. I tried the normal shortcuts like Ctrl + C and Ctrl + Z but they didn't work. So I was thinking if there is any solution to this other than ending the browser process (like by doing a Ctrl + Alt + Del).

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  • Ctrl-M chars when transfer files SFTP

    - by eve
    Hi, I am sending files from a windows system to a Unix SFTP server using JSCAPE ftp client. However, I am experiencing the following issue: When uploading a text file from windows to UNiX, each line of text files transferred contains Control-M characters. I did some search and found out that If I use the "ASCII" transfer mode it should solve the issue. But the Ctrl-M is still appearing on the files. Can anyone throw some light in this issue? thanks in advance

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  • Calling Web Services Asynchronously in Page_Load Event

    - by Umar Siddique
    I'm working on a web application using VB.NET. In page load event am calling a remote web service which take time to bring the data. During this process none of the other contents on page are shown(render). I want to call this remote web service asynchronously so that other data of page is displayed and web service data will be displayed when its available.

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  • Access the path to the app.config programmatically

    - by grenade
    I am looking for a way to programmatically obtain the path to the app.config file from within a Windows Service executable. The build process changes App.config to program-name.exe.config and I could do something like: var configFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "program-name.exe.config"); However, I'm looking for some way of obtaining the config file name at runtime that doesn't involve hard coding the exe name into the application. ConfigurationManager has some way of doing it, so it must be possible.

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  • How to print WPF FlowDocument within local report?

    - by Thorsten Dittmar
    Hi, in one of our applications we're using alocal RDLC-report (displaying using a ReportViewer control) to print some tables and text entered by the user. We'd like to give the user the ability of formatting the text. I thought I might use the respective WPF controls (embedded into the Windows Forms application) to make things easy. Question is: how do I print the resulting FlowDocument within the local report? Is this possible at all? Thanks for any advice, Thorsten

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  • ADO Access Tab button

    - by CREFLY
    Hello I moved my access apllication from DAO into ADO connection. It works better but I am encountering a problem when I enter a value in a form's field then I push the tab button the screen takes me to the first fields of the form and I lose my activecontrol which is the control of the field in which i enter the value. N.B.: If I clicked the cursor using the mouse after applying the value in the specified field, it works properly... Any help will highly appreciated

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  • Slider with default functionality

    - by Geetha
    Hi All, I am trying to create a slider like this example. but the control is not getting displayed. pls anyone help me. http://devsandbox.nfshost.com/js/jquery-ui/development-bundle/demos/slider/constraints.html Geetha.

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  • Kernel api's or using api's in the kernel

    - by user513647
    Hello everybody I'd like to know if and how I can access api calls inside the kernel. I need them to preform several integrity checks on a program of mine running in user mode. But I don't know how I can access the api's and funcions required to do so. Does anybody know how to obtain the process id of my user mode proces? and how to access all it's memory to preform the check? Thanks in advance ps: My I'm on a windows xp machine

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