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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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Of courses yes i don't understand yu, cuz i said that my codes displayed and you can print but i want to jump this step of previewing i don't know how to print it. some thing like
cryRpt.PrintToPrinter(1, true, 1, 1);
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Look at the actual code you showed us.
Where in that does it actually print or print preview anything? what part of that code actually causes a print preview to appear on the screen?
Have a good close look. I'll wait.
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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when I click on the button: prnt_btn I call on my function :report {}
it means i have a button wich call my report
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This has "long day" written all over it ...
I'm sure that you do. But which line of code in the fragment you showed us actually does the print preview?
Now, I'm guessing - and guessing is all I can do here, since I can't see your screen, access your HDD, or read your mind: we only get exactly what you type to work with - that it's one of these:
c2.SetDataSource(dt);
crystalReportViewer1.ReportSource = c2;
c2.SetDatabaseLogon("sa", "789456");
Or possibly something that happens after the call to the report method.
But ... I don't have the code for your FactCons class. I don't have the code that calls report. So I need you to actually do the work and find out - because without it, there isn't anything I can do, other than bang my head on the desk because it "feels so good when I stop" ...
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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dt.Load(dtr);
FactCons c2 = new FactCons();
c2.SetDataSource(dt);
crystalReportViewer1.ReportSource = c2;
c2.SetDatabaseLogon("sa", "123456");
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