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string line3a = File.ReadAllLines( "xxx" )
.Skip( 2 )
.FirstOrDefault();
string line3b = File.ReadAllLines( "xxx" )
.SkipWhile( s => s.Contains( "S.1.1.004" ) == false )
.FirstOrDefault();
if ( line3a != null ) {
}
The Master said, 'Am I indeed possessed of knowledge? I am not knowing. But if a mean person, who appears quite empty-like, ask anything of me, I set it forth from one end to the other, and exhaust it.'
― Confucian Analects
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ReadAllLines reads the whole file into memory. In this case, it would be better to use ReadLines instead. 
File.ReadAllLines Method (System.IO) | Microsoft Docs[^]
File.ReadLines Method (System.IO) | Microsoft Docs[^]
Quote: The ReadLines and ReadAllLines methods differ as follows: When you use ReadLines, you can start enumerating the collection of strings before the whole collection is returned; when you use ReadAllLines, you must wait for the whole array of strings be returned before you can access the array. Therefore, when you are working with very large files, ReadLines can be more efficient.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Hi All,
I was looking more for a snip in c#/WPF of making connection to AD Azure server for authentication.
The rest of the code i can do by my self.
The info that i find with google is not clear how to do it
Regards
Jan meeling
Thanks
Regards
Jan Meeling 
modified 27-Aug-19 8:11am.
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Here you can find some examples:
Azure Active Directory code samples (v1.0 endpoint)[^]
And your favorite search engine will give you plenty of other links.
enum HumanBool { Yes, No, Maybe, Perhaps, Probably, ProbablyNot, MostLikely, MostUnlikely, HellYes, HellNo, Wtf }
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Maybe he/she/them/they doesn't have a favorite search enchine.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-----
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
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When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Or maybe his/her/their favorite is just us.
enum HumanBool { Yes, No, Maybe, Perhaps, Probably, ProbablyNot, MostLikely, MostUnlikely, HellYes, HellNo, Wtf }
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Hi Phil,
Thanks for pointing to the right way.
On the search engine is lost of grape .
Regards
Jan Meeling
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I need to win the lottery, but that isn't working for me either.
Perhaps if I bought a ticket, I'd stand a better chance or winning?
Likewise, if you put some effort into working out what to do, rather than just going "!give me the code" you could have a chance of completing your project as well.
We aren't a "code to order" service.
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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Hi OriginalGriff,
If you can't said any thing useful the shut your moth
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Do not be abusive, or you will find your account removed from the site.
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Hi Richard,
My excuses for my reaction I'm not want to be abusive but his reaction was very abusive.
Regards,
Jan Meeling
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That was not the intesion.
I was looking more for a snipchat of making connection to AD server for authentication.
The rest of the code i can do by my self.
The info that i find with google is not clear how to do it
Regards
Jan meeling
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Then you need to go back to the original message and edit it with proper details of what you are looking for. No one guess from "I need code" exactly what problem you are trying to solve. Keep in mind that we cannot see your screen, or know anything about your project, so the only details we can work on is what you tell us.
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I am writing a tiny app which will be triggered in GPO by a user logoff. The app simply checks that the user has done some required housework. Can anyone show me how to interrupt the logoff (and remain logged on) depending on the answer?
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Best you can do is handle the SystemEvents.SessionEnding Event (Microsoft.Win32) | Microsoft Docs[^] - it catches both shutdown and logoff. It's cancelable, so your app can request that the system remains up - but it's only a request, it mayu not be honoured depending on what the system is doing. As the documentation says Quote: It provides no guarantee that the session will not end.
And it won't detect and cancel a user pulling the plug out of the wall ... 
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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There is no way to absolutely prevent a user from logging off or shutting down the system.
Even the solution you found is a "suggestion" that the system not shutdown. There is nothing you can do to prevent it as everything you come up with can be defeated just by ending the process that is your application.
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Yes, I understand that. The intention is to remind people to do their housekeeping before logging off, perhaps even to annoy them into it.
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here is my code, i want just the client may print when click in printing_button the the printer print directly, how can i modify my code?
void report()
{
cnx = new SqlConnection(db.RXcon);
try
{
cnx.Open();
string cg=" SELECT * from my_table where NumFact=" + @Convert.ToInt32(textBox4.Text);
commd2 = new SqlCommand(cg);
commd2.Connection = cnx;
DataSet dts = new DataSet();
DataTable dt = new DataTable();
dtr = commd2.ExecuteReader();
dt.Load(dtr);
FactCons c2 = new FactCons();
c2.SetDataSource(dt);
crystalReportViewer1.ReportSource = c2;
c2.SetDatabaseLogon("sa", "789456");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
cnx.Close();
}
with these codes, you have first to preview, but i want to jump previewing please
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A couple of things unrelated to your question:
1) Never use Convert methods on user input: users mistype, and Convert will throw an exception on errors. Always check user input using the TryParse method instead:
void report()
{
int fact;
if (!int.TryParse(textBox4.text, out fact))
{
... report input problem to user ...
return;
}
2) Do yourself a favour, and stop using Visual Studio default names for everything - you may remember that "TextBox8" is the mobile number today, but when you have to modify it in three weeks time, will you then? Use descriptive names - "tbMobileNo" for example - and your code becomes easier to read, more self documenting, easier to maintain - and surprisingly quicker to code because Intellisense can get to to "tbMobile" in three keystrokes, where "TextBox8" takes thinking about and 8 keystrokes...
3) Never concatenate strings to build a SQL command. It leaves you wide open to accidental or deliberate SQL Injection attack which can destroy your entire database. Always use Parameterized queries instead.
When you concatenate strings, you cause problems because SQL receives commands like:
SELECT * FROM MyTable WHERE StreetAddress = 'Baker's Wood' The quote the user added terminates the string as far as SQL is concerned and you get problems. But it could be worse. If I come along and type this instead: "x';DROP TABLE MyTable;--" Then SQL receives a very different command:
SELECT * FROM MyTable WHERE StreetAddress = 'x';DROP TABLE MyTable; Which SQL sees as three separate commands:
SELECT * FROM MyTable WHERE StreetAddress = 'x'; A perfectly valid SELECT
DROP TABLE MyTable; A perfectly valid "delete the table" command
And everything else is a comment.
So it does: selects any matching rows, deletes the table from the DB, and ignores anything else.
So ALWAYS use parameterized queries! Or be prepared to restore your DB from backup frequently. You do take backups regularly, don't you?
OK, in this example it wouldn't cause a problem, but you need to check every single other access in your application - miss one, and you are at risk. It's a very,. very good idea to get into the habit or always using parameterized queries, even when you don't have to - that way future changes are safer.
4) SqlConnections, SqlCommands, and so forth are scarce resources: you should ensure that they are Disposed when you are finished with them - the best way is to just use a using block for each constructor - the object will be disposed automatically when it goes out of scope.
As far as your actual question goes, we can't help based on the code you show: it doesn't display the report at all, just set up some conditions for it to be displayed or printed. You need to look elsewhere in your code to find out exactly what happens from that point.
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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thank alot about your respond, but the real problem is that my code works correctly and previewing also give possibilty to print and i did test many printing, my need is how to send information directly to the printer without previewing PLEASE
look the first image shows information to print https://ibb.co/3RXh6Ks
the second show the preview https://ibb.co/vzrvWfF possibility of printing
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As I said:
Quote: As far as your actual question goes, we can't help based on the code you show: it doesn't display the report at all, just set up some conditions for it to be displayed or printed. You need to look elsewhere in your code to find out exactly what happens from that point.
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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My need is with my code, How to send it directly to the printer in the place of previewing please,
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What part of
Quote: As far as your actual question goes, we can't help based on the code you show: it doesn't display the report at all, just set up some conditions for it to be displayed or printed. You need to look elsewhere in your code to find out exactly what happens from that point.
Do you not understand?
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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