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I write a web service in C# and I want to debug some error but when I click Run button then Visual Studio 2005 show error message box as below.
"Unable to start debugging on the web server. The underlying connection was closed: An unexpected error occurred on a send"
Please help me to deal with this problem.
Thanks so much.
A student in Viet Nam.
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Google[^] has several suggestions for this. It could be something to do with the way your network is configured, or with the version of OS that you are using. Please have a read through some of the threads in Google and see what they come up with.
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hi
how can i get the system processor number using C# for .net compact framework 1.0?
thanks
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I'm not sure, but the only way I've found to get similar information ( HDD number ) is to use WMI. If that doesn't work, I know there are C++ api's you can p/invoke. Google for how to do it in C++ then go to www.pinvoke.net[^] to find out the p/invoke signatures
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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thank you. i'll try out that way. and is there any way i can get access to the registry of the remote device that is in sync with my PC over ethernet using active sync.
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i have to determine who is logged in, then find out if they have taken the exam before. If they have you deny them access, otherwise you permit them to sit the exam.
<pre>
SqlCommand cmd=new SqlCommand ("select EmpId from DBAnswer where Testtaken=1");
if ( Testtaken==Convert.ToString(1))
{
Response.Redirect ("alertmessage.aspx");
}
else if(Testtaken==Convert.ToString(0))
{
Response.Redirect ("Survey.aspx");
}
</pre>
srinivas
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I would just do a login timestamp on the database side.
"Any sort of work in VB6 is bound to provide several WTF moments." - Christian Graus
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what is Generic in ASP.NET 2.0 and what are it's advantages.
Can anybody provide me a good article on this topic or make me understand??
adil kazmi
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You can read here.
The way I understand is that Generics save the cost of boxing and unboxing expenses. Generics can set the constrains to a particular things.
Please let me know if i'm in wrong way. Thanks.
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Thanks a lot Michael for your help.
I'll check it out and let you know the feedback.
Thanks again.
adil kazmi
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Michael Sync wrote:
Please let me know if i'm in wrong way.
No, you are right.
Btw, generics can be used for more things, see http://blogs.msdn.com/kcwalina/archive/2007/06/07/GenericMethodsAsCasts.aspx[^] for some (there is interesting comment as well).
"Throughout human history, we have been dependent on machines to survive. Fate, it seems, is not without a sense of irony. " - Morpheus
"Real men use mspaint for writing code and notepad for designing graphics." - Anna-Jayne Metcalfe
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Hi All,
I am fetching a dataset from the database under some condition. After this I create a data table. Traverse in the original dataset & add each row to created data table as it is through LoadDataRow method. After adding the row I just update 4-5 columns out of 20 columns in the row. After entire looping I fire the AcceptChanges method on data table. After this I am trying to update this data back to database in two ways -
1) Merge the above datatable to the original dataset & update it back to database through the data adapter. The data adapter I used in one case was the same with which I filled the original dataset. And in second case I created a fresh data adapter & tried to update.
2) In another method I just tried to update the created data table as it is to the database.
I have also created the appropriate commands for the data adapter through command builder. But unfortunately even after getting no errors on the Update call of the data adapter there are no records getting added to the database. Besides the fact that the merged dataset reflects the added rows in the count as well in the dataset items.
Any kind of pointers are dearly welcome.
Suresh
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Hi all,
i made an installer package (.msi file) for my C# windows application. But, whenever i try to install it on the other systems, it is saying "application failed to initialize properly"...
After searching, i found that it works only on the machines where .net framework was installed..
Is it possible to include .net framework in my package & give it that to my client??
Any solutions plz.............
Thanks in Advance.
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How did you make the installer package?
If it's via visual studio then right click the stup project and select 'properties'. Form there you have 'prerequisites' in there you can select what your setup depends on.
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Hi, thanks for the reply. yup, problem solved.. 
and, how can i create desktop shortcut?? coz i didn't find any "create shortcut" option .....
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just create a .lnk of the file you want to make the shortcut for and while installing, copy it to either the current user's desktop folder/start menu or to All users' desktop folder/start menu folder.
Smile: A curve that can set a lot of things straight!
(\ /)
(O.o)
(><)
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.lnk file ?? how to create that ?
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Shortcut file
and store it as a file in the installation package, "That's what i usually do for installation"
Smile: A curve that can set a lot of things straight!
(\ /)
(O.o)
(><)
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OMG! but how???
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I'm not sure how your application looks like but if you are intending to copy the shortcut file from the solution "not using an external DOS batch file" then add a reference of visual basic library to your code and use something like this code:
Microsoft.VisualBasic.FileSystem.FileCopy("YourShortcut.lnk",System.Environment.SpecialFolder.DesktopDirectory+"\\YourShortcut.lnk");
also take a look at your C:\Documents and Settings\All Users\Desktop folder and if you want to use this one, try something tricky like getting the drive letter on which windows is installed and concatenating it with the destination path
string strWindowsRoot = System.Environment.GetFolderPath(System.Environment.SpecialFolder.System).ToString().Substring(0, 3);
I hope you get over it ..
Smile: A curve that can set a lot of things straight!
(\ /)
(O.o)
(><)
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do u mean to say " using IWshRuntimeLibrary" ??
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Under the "File System" view you should have various folders representing the file structure of your target machine.
i.e.
Application Folder
User's Desktop
User's Programs Menu
If you wished to put a shortcut on the desktop you would select 'User's Desktop', then right click the details panel (which has Name|Type at the top) and select create shortcut. You can then select the included file you want to shortcut too. For anything outside of what your installing you'll need to make a shortcut as you normally would in windows and then include the file using Right Click then Add File.
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I have tried it already.... when i rightclicked on "user's desktop" there isn't any 'create shortcut' option.... instead, i hv createshort to user's desktop option: it is creating the shortcut for "user's desktop"......
 
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Hi my problem is my application is one online exam type like quiz application.
Every is attended only one time if they want to attend second time we have to give some message.
how we will write code in page_load.
srinivas
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you didn't tell where are you are storing the name of the attendees initially. Each time you load the page you need to check whether the name exists in the list amongst all the records. If the current entry matches with any of the record you pop a message saying that the user is logging in the second time. I hope this would help you in solving your problem.
Somethings seem HARD to do, until we know how to do them.
 _AnShUmAn_
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