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  • C# datagrid click position

    - by user1112111
    Hi, Does anybody know how can I determine where the user clicked in a DataGrid control ? I'm using .NET CF with Windows Mobile 6. What I need to know is whether the user clicked on the selected cell or on an empty area (not covered by columns or rows). Is there a way to retrieve it from EventArgs ? Thanks.

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  • Replace this Hex chars from string in PHP

    - by Guillermo
    I'm generating an XML from data that comes from database (and some JSON feeds). I'm having some problems with some texts that contains some hex chars that are breaking my XML. For example, see this screenshot of the error I get from Chrome: I identified the hex characters that are giving me problems (I believe they're called control characters). And these are: 0x03 0x05 0x16 0x0E How can I replace those characters with PHP before printing them on my XML output? Thanks!

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  • How does cobol store and retrieve data?

    - by controlfreak123
    I'm starting to learn about COBOL. I have some experience writing programs that deal with sql databases and I guess I'm confused how cobol stores and retrieves data that is stored in a mainframe for example. I know that it's not like relational databases but every example program I've seen takes data straight from the command line and I know thats not how real world COBOL programs process the data. Can someone explain or show me a good resource that can explain it?

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  • secondary y axis on WPF toolkit chart

    - by tk
    Question 1) I want to plot two line series in a WPF toolkit chart. (http://wpf.codeplex.com/) Can I set Y-axis of one data series as a secondary y-axis? Question 2) Is there a comprehensive document about the WPF toolkit chart? I used to use WinForms Chart control(System.Windows.Forms.DataVisualization), which have great references. But I cannot find a library document for WPF toolkit.

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  • jQuery Ajax (beforeSend and complete) working properly on FireFox but not on IE8 and Chrome

    - by Farhan Zia
    I am using jQuery ajax version 1.4.1 in my MVC application (though the issue I am discussing was same with the old jQuery version 3.2.1) as well, to check during customer registration if the username is already registered. As the user clicks on the "Check Availibility" button, I am showing a busy image in place of the check button (actually hiding the check button and showing the image) while checking the availibility on the server and then displaying a message. It is a Sync call (async: false) and I used beforeSend: and complete: to show and hide the busy image and the check button. This thing is working well on Firefox but in IE 8 and Chrome, neither the busy image appear nor the check button hides rather the check button remained pressed as the whole thing has hanged. The available and not available messages appear correctly though. Below is the code: HTML in a User Control (ascx): (i have replaced the angular braces with square below) [div id="available"]This Username is Available [div id="not_available"]This Username is not available [input id="txtUsername" name="txtUsername" type="text" size="50" /]  [button id="check" name="check" type="button"]Check Availability[/button] [img id="busy" src="/Content/Images/busy.gif" /] On the top of this user control, I am linking an external javascript file that has the following code: $(document).ready(function() { $('img#busy').hide(); $('div#available').hide(); $('div#not_available').hide(); $("button#check").click(function() { var available = checkUsername($("input#txtUsername").val()); if (available == "1") { $("div#available").show(); $("div#not_available").hide(); } else { $("div#available").hide(); $("div#not_available").show(); } }); }); function checkUsername(username) { $.ajax({ type: "POST", url: "/SomeController/SomeAction", data: { "id": username }, timeout: 3000, async: false, beforeSend: function() { $("button#check").hide(); $("img#busy").show(); }, complete: function() { $("button#check").show(); $("img#busy").hide(); }, cache: false, success: function(result) { return result; }, error: function(error) { $("img#busy").hide(); $("button#check").show(); alert("Some problems have occured. Please try again later: " + error); } }); }

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  • Disable a textbox using CSS

    - by Balaji
    How to disable a textbox in CSS? Currently we are having a textbox in our view which can be enabled/disabled depending on a property in the model. We are having asp.net MVC view; depending on the value of the Model property we need to either render a textbox or readonly textbox. we were thinking of doing this by applying CSS to the view control. Has someone done this earlier?

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  • Accessing .NET functionality from a macro in a VSTO Excel workbook

    - by Daniel DiPaolo
    A while back, I built an Excel workbook for someone else using VSTO SE, and there's functionality in the accompanying DLL that they'd like to be able to use in a VB macro in the workbook. Short of rebuilding the workbook with a control that does what they want, is there a way they can just hook into the necessary function somehow via some sort of macro call? Does the macro have any sort of visibility into the functionality within the VSTO-built DLL that is associated with the workbook?

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  • .net OpenFileDialog changing the CurrentDirectory

    - by meowing
    Hi, I am using OpenFileDialog. But using it changes the Environment.CurrentDirectory. Using the RestoreDirectory property solves this issue, but I'm using external dlls that I can't control that don't use RestoreDirectory. Is there a way to make it true as default? Or is there any other solution to this annoying problem? Thanks.

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  • AutoScroll issues with custom layout on Windows Forms application

    - by Lurker Indeed
    I've implemented a basic custom layout engine in Windows Forms that does control sizing and positioning. I was hoping to allow the AutoScroll features to work untouched, but any time I have enough controls on the screen to require a scroll bar, some of the layout events that get fired (i.e, a rich text box that expands the height as it types) not only fire the layout events, but they force the scroll bar back at (0,0). Do I have any options besides looking at the scroll position and positioning the controls manually based on that?

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  • android calender delete event

    - by Faisal khan
    I am suing android calender. how can i remove calender's event using code ? is it possible ? for clarification i would like to mention that i don't want sync process or want to remove remove event using gdata api. Only want to remove local calender's event.

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  • Problems when using IconAlignment with WinForms ErrorProvider

    - by Irina
    Hi, I have a ComboBox that has an associated ErrorProvider in the user control it belongs to. When an error happens, I want to display an icon on the left of the combo. However, no matter what value I set as IconAlignment for my combo, the icon gets displayed on the right. Do you guys have any idea what could be wrong here? Thanks for any help.

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  • Ignoring svn folders in WinMerge

    - by Martin
    I'm trying to recursively compare two subversion working copy folders using WinMerge. Unfortunately, WinMerge displays lots of differencing files inside of the subversion control folders (.svn or _svn). Is it possible to somehow exclude the subversion folders from the comparision? Or is there another (free) diff-tool which is able to do this?

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  • Haskell: Left-biased/short-circuiting function

    - by user2967411
    Two classes ago, our professor presented to us a Parser module. Here is the code: module Parser (Parser,parser,runParser,satisfy,char,string,many,many1,(+++)) where import Data.Char import Control.Monad import Control.Monad.State type Parser = StateT String [] runParser :: Parser a -> String -> [(a,String)] runParser = runStateT parser :: (String -> [(a,String)]) -> Parser a parser = StateT satisfy :: (Char -> Bool) -> Parser Char satisfy f = parser $ \s -> case s of [] -> [] a:as -> [(a,as) | f a] char :: Char -> Parser Char char = satisfy . (==) alpha,digit :: Parser Char alpha = satisfy isAlpha digit = satisfy isDigit string :: String -> Parser String string = mapM char infixr 5 +++ (+++) :: Parser a -> Parser a -> Parser a (+++) = mplus many, many1 :: Parser a -> Parser [a] many p = return [] +++ many1 p many1 p = liftM2 (:) p (many p) Today he gave us an assignment to introduce "a left-biased, or short-circuiting version of (+++)", called (<++). His hint was for us to consider the original implementation of (+++). When he first introduced +++ to us, this was the code he wrote, which I am going to call the original implementation: infixr 5 +++ (+++) :: Parser a -> Parser a -> Parser a p +++ q = Parser $ \s -> runParser p s ++ runParser q s I have been having tons of trouble since we were introduced to parsing and so it continues. I have tried/am considering two approaches. 1) Use the "original" implementation, as in p +++ q = Parser $ \s - runParser p s ++ runParser q s 2) Use the final implementation, as in (+++) = mplus Here are my questions: 1) The module will not compile if I use the original implementation. The error: Not in scope: data constructor 'Parser'. It compiles fine using (+++) = mplus. What is wrong with using the original implementation that is avoided by using the final implementation? 2) How do I check if the first Parser returns anything? Is something like (not (isNothing (Parser $ \s - runParser p s) on the right track? It seems like it should be easy but I have no idea. 3) Once I figure out how to check if the first Parser returns anything, if I am to base my code on the final implementation, would it be as easy as this?: -- if p returns something then p <++ q = mplus (Parser $ \s -> runParser p s) mzero -- else (<++) = mplus Best, Jeff

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  • Populating fields in modal form using PHP, jQuery

    - by Benjamin
    I have a form that adds links to a database, deletes them, and -- soon -- allows the user to edit details. I am using jQuery and Ajax heavily on this project and would like to keep all control in the same page. In the past, to handle editing something like details about another website (link entry), I would have sent the user to another PHP page with form fields populated with PHP from a MySQL database table. How do I accomplish this using a jQuery UI modal form and calling the details individually for that particular entry? Here is what I have so far- <?php while ($linkDetails = mysql_fetch_assoc($getLinks)) {?> <div class="linkBox ui-corner-all" id="linkID<?php echo $linkDetails['id'];?>"> <div class="linkHeader"><?php echo $linkDetails['title'];?></div> <div class="linkDescription"><p><?php echo $linkDetails['description'];?></p> <p><strong>Link:</strong><br/> <span class="link"><a href="<?php echo $linkDetails['url'];?>" target="_blank"><?php echo $linkDetails['url'];?></a></span></p></div> <p align="right"> <span class="control"> <span class="delete addButton ui-state-default">Delete</span> <span class="edit addButton ui-state-default">Edit</span> </span> </p> </div> <?php }?> And here is the jQuery that I am using to delete entries- $(".delete").click(function() { var parent = $(this).closest('div'); var id = parent.attr('id'); $("#delete-confirm").dialog({ resizable: false, modal: true, title: 'Delete Link?', buttons: { 'Delete': function() { var dataString = 'id='+ id ; $.ajax({ type: "POST", url: "../includes/forms/delete_link.php", data: dataString, cache: false, success: function() { parent.fadeOut('slow'); $("#delete-confirm").dialog('close'); } }); }, Cancel: function() { $(this).dialog('close'); } } }); return false; }); Everything is working just fine, just need to find a solution to edit. Thanks!

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  • Password protected PDF using C#

    - by balaweblog
    I am creating a pdf document using C# code in my process. I need to protect the docuemnt with some standard password like "123456" or some account number. I need to do this without any reference dlls like pdf writer. I am generating the PDF file using SQL Reporting services reports. Is there are easiest way.

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  • android incoming call screen

    - by shaimagz
    I would like to add details to the incoming call screen on android. lets say I have a string 'x', so I want 'x' to show up on the incoming call screen under the name of the person who is currently calling. I know this is possible because of this apps: CallerId, Vringo I'm pretty new to this area, so I need to know what is the process to achieve that, for example: get the event of incoming call, go to the incoming call interface and so on. Thanks!

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  • .NET RegEx "Memory Leak" investigation

    - by Kevin Pullin
    I recently looked into some .NET "memory leaks" (i.e. unexpected, lingering GC rooted objects) in a WinForms app. After loading and then closing a huge report, the memory usage did not drop as expected even after a couple of gen2 collections. Assuming that the reporting control was being kept alive by a stray event handler I cracked open WinDbg to see what was happening... Using WinDbg, the !dumpheap -stat command reported a large amount of memory was consumed by string instances. Further refining this down with the !dumpheap -type System.String command I found the culprit, a 90MB string used for the report, at address 03be7930. The last step was to invoke !gcroot 03be7930 to see which object(s) were keeping it alive. My expectations were incorrect - it was not an unhooked event handler hanging onto the reporting control (and report string), but instead it was held on by a System.Text.RegularExpressions.RegexInterpreter instance, which itself is a descendant of a System.Text.RegularExpressions.CachedCodeEntry. Now, the caching of Regexs is (somewhat) common knowledge as this helps to reduce the overhead of having to recompile the Regex each time it is used. But what then does this have to do with keeping my string alive? Based on analysis using Reflector, it turns out that the input string is stored in the RegexInterpreter whenever a Regex method is called. The RegexInterpreter holds onto this string reference until a new string is fed into it by a subsequent Regex method invocation. I'd expect similar behaviour by hanging onto Regex.Match instances and perhaps others. The chain is something like this: Regex.Split, Regex.Match, Regex.Replace, etc Regex.Run RegexScanner.Scan (RegexScanner is the base class, RegexInterpreter is the subclass described above). The offending Regex is only used for reporting, rarely used, and therefore unlikely to be used again to clear out the existing report string. And even if the Regex was used at a later point, it would probably be processing another large report. This is a relatively significant problem and just plain feels dirty. All that said, I found a few options on how to resolve, or at least work around, this scenario. I'll let the community respond first and if no takers come forward I will fill in any gaps in a day or two.

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  • Publishing selection in eclipse RCP

    - by Stuart
    I'm writing an RCP application plug-in. I want to make a set of objects the global selection from a IHandler but this can be triggered from other views out of my control - it is possible that these do not have an ISelectionProvider. Is it possible to publish a selection to the eclipse selection service without going through some view site?

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