Re: Saving and Loading Information from a form - C# Discussion Boards

Re: My sound stops playing when the form loses focus

2-Sep-08 10:36

Found this in the CP archives:

DirectSound plays only when the window which is passed to SetCooperativeLevel,
is foreground. If it passes to background, the playback stops until again the wnd becomes foreground. Unfortunately, this is the way how DirectSoundBuffer works.

PlaySound API is process-wise (application-wise). Two (or more) processes can play sounds simultaneously but a single application can play one sound in a given time period. How intensively your app is going to play/stop sounds? (If it's not so intensive, maybe creating a child process per sound would do).
...

Blog link to be reinstated at a later date.

oobimoo2-Sep-08 10:37

oobimoo

2-Sep-08 10:37

Set BufferDescription's GlobalFocus property to true

Run executable

netDeveloper2-Sep-08 9:55

netDeveloper

2-Sep-08 9:55

Hi,
I have a kind've strange problem in VS 2005. I have an application which, if i run and i put a breakpoint in front of creating a connection, works just fine. But if I simply run it, throws this error

{"The type initializer for 'System.Data.SqlClient.SqlConnection' threw an exception."}

Here is the code that's causing it:

_sqlConnection = new SqlConnection(Settings.ConnectionString);

where _sqlConnection is declared like

private static SqlConnection _sqlConnection = null;

and Settings.ConnectionString like

private static string _connectionString = string.Empty;
        public static string ConnectionString
        {
            get
            {
                Configuration config = ConfigurationManager.OpenExeConfiguration(Settings.AppName);
                _connectionString = EncryptDecrypt.Decrypt(config.ConnectionStrings.ConnectionStrings["ConnectionString"].ToString(),Settings.EncPassword);
                return _connectionString;
            }
        }

Any suggestions?
Thank you

Saving and Loading Information from a form

Chris Kentlea2-Sep-08 9:44

Chris Kentlea

2-Sep-08 9:44

First post so be gentle :-p

I'm currenlty working on my first semi-serious program for my local RPG gaming group. Got the design sorted no problem, but one thing seems to be eluding me and i cant seem to find the right answer on the net anywhere(probably not asking right questions, but hey ho)

Anyway my problem is this:

I have a series of forms. On each on this forms are various controls such as text boxes, radio control groups, drop down boxes etc. These contain information on character information(such as stats, skills etc)

I'm trying to find the way i can save and then at a later date load this information back from either all the forms or simply one of the forms, so that they dont have to pick the settings or re-enter the information each time they start the program.

Any help would be appreciated, but please i must warn you am still new to c# so nothing too complex please

Thanks in Advance

Pete O'Hanlon2-Sep-08 10:13

Pete O'Hanlon

2-Sep-08 10:13

Write a class that represents this form as a model, copy the values from the controls to the model, and then save the data to the disk.

Deja View - the feeling that you've seen this post before.

My blog | My articles

MarkB7772-Sep-08 12:58

MarkB777

2-Sep-08 12:58

A settings file would be the easiest way.

You can find it under the Properties tab in the solution explorer.

Add variables to it, and then you can save and load data using

<br />
// Load data<br />
*** = Properties.Settings.Default.***;<br />
<br />
//Save data<br />
Properties.Settings.Default.*** = ***<br />
Properties.Setting.Default.Save();<br />

This way your variables will be saved between sessions.

Mark Brock
"We're definitely not going to make a G or a PG version of this. It's not PillowfightCraft." -- Chris Metzen
Click here to view my blog

Chris Kentlea3-Sep-08 7:29

Chris Kentlea

3-Sep-08 7:29

would this work with diffrent users(EG Main, Person1, Person2) all haveing seperate files ? (named of course)

MarkB7773-Sep-08 12:58

MarkB777

3-Sep-08 12:58

Yes.

Mark Brock
"We're definitely not going to make a G or a PG version of this. It's not PillowfightCraft." -- Chris Metzen
Click here to view my blog

Chris Kentlea4-Sep-08 8:18

Chris Kentlea

4-Sep-08 8:18

Ok just to clarify from above(and make sure i got it in my head right):

//Save data(which would go under whatver i deced would be the Save control/command)
Properties.Settings.Default.textbox1.Text = textbox1.Text (and repeat this for each control)
Properties.Setting.Default.Save();

//Load(which would go under my "Load" control/command
...
textbox1.Text = Properties.Settings.Default.textbox1.Text
(repeated for each control)

(Applogies for repeating what you said like to make sure i understand things correctly)

MarkB7774-Sep-08 12:17

MarkB777

4-Sep-08 12:17

Have a read of this

Cheers,

Mark Brock
"We're definitely not going to make a G or a PG version of this. It's not PillowfightCraft." -- Chris Metzen
Click here to view my blog

connect to dataase

NiloofarNoroozi2-Sep-08 7:46

NiloofarNoroozi

2-Sep-08 7:46

hi do you have any article and example about connect to the database(sql server)?
plaese learn to me how can i connect textbox to query?
thanks

Blue_Boy2-Sep-08 8:05

Blue_Boy

2-Sep-08 8:05

All you need is to open www.google.com[^] and there sure you can find what are you looking for.

I Love T-SQL
"Don't torture yourself,let the life to do it for you."
If my post helps you then save my time by voting my post.

Kevin Marois2-Sep-08 8:12

Kevin Marois

2-Sep-08 8:12

http://www.codeproject.com/KB/database/sql_in_csharp.aspx
[Look Here]

Everything makes sense in someone's mind

NiloofarNoroozi2-Sep-08 9:36

NiloofarNoroozi

2-Sep-08 9:36

thank you very much

CP IGNORE

leckey2-Sep-08 10:33

2-Sep-08 10:33

This is his third general question about connections. He doesn't understand Google. Don't waste your time.

Blog link to be reinstated at a later date.

Bassam Saoud2-Sep-08 11:55

Bassam Saoud

2-Sep-08 11:55

You dont understand the word "Beginner", "Freshman", "just out of high school"

Why would you post a reply with a subject that says "CP IGNORE", Isnt it enough that you voted that guy down?

ah anyways...

leckey2-Sep-08 14:28

2-Sep-08 14:28

Isn't it enough that he can't do basic research himself or buy a book?

Blog link to be reinstated at a later date.

Bassam Saoud2-Sep-08 17:20

Bassam Saoud

2-Sep-08 17:20

If books and research are enough then why do you think this forum exist. This is not IEEE organization where only advanced scholars post rsearch and thesis.Now, in this case , its a simple question, but what increased my blood pressure is you posting a CP ignore message ! And you are a very well respected member of CP.

leckey3-Sep-08 2:54

3-Sep-08 2:54

My concern is that he is asking the basics of questions, "How do I connect...?" A few tutorials should at least be read, then at least TRY coding it. Then if he got stuck I would have no problem helping.

Blog link to be reinstated at a later date.

chaiguy13373-Sep-08 17:37

chaiguy1337

3-Sep-08 17:37

Unfortunately there are a lot of people who just post absolute beginner stuff without doing any kind of research themselves, like we can just somehow magically make them understand everything. I mean honestly, the time it takes to wait for a reply from someone on a forum is probably a lot longer than it would take to figure it out on your own.

“Time and space can be a bitch.”
–Gushie, Quantum Leap

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Paul Conrad2-Sep-08 18:45

Paul Conrad

2-Sep-08 18:45

Exactly, and how hard can it really be to just freakin' google it?

"The clue train passed his station without stopping." - John Simmons / outlaw programmer

"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon

"Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham