Re: C# Wizards? - C# Discussion Boards

Re: Number only edit boxes ???

James T. Johnson20-Apr-02 12:20

James T. Johnson

20-Apr-02 12:20

Its not there Cry | :((

There is a masked edit box control here, you can borrow the simple code from that Smile | :)

It might even be simpler than overrideing Key*, just override IsInputKey/Char and return false for anything but numbers, '.', and ',' then you only need to check for double decimal separators.

James

Simplicity Rules!

Re: Number only edit boxes ???

Christian Graus20-Apr-02 12:26

Christian Graus

20-Apr-02 12:26

Thanks. My first thought was to override OnChar and check for myself, but I thought that surely C# couldn't be so pathetic as to leave out edit boxes for numbers only ? I guess I was wrong.

Christian

The tragedy of cyberspace - that so much can travel so far, and yet mean so little.

"But there isn't a whole lot out there that pisses me off more than someone leaving my code looking like they leaned on the keyboard and prayed that it would compile.
- Jamie Hale, 17/4/2002

Re: Number only edit boxes ???

James T. Johnson20-Apr-02 12:44

James T. Johnson

20-Apr-02 12:44

Christian Graus wrote:
I thought that surely C# couldn't be so pathetic

Not C#, Windows Forms :-P

James Smile | :)

Simplicity Rules!

Re: Number only edit boxes ???

Neil Van Note20-Apr-02 19:06

Neil Van Note

20-Apr-02 19:06

Another solution, if all you want is a basic TextBox with the ES_NUMBER style applied...

public class NumericTextBox : System.Windows.Forms.TextBox
{
	private const int ES_NUMBER = 0x00002000;

	public NumericTextBox()
	{
	}

	protected override CreateParams CreateParams 
	{
		get 
		{
			CreateParams createParams = base.CreateParams;
			createParams.Style |= ES_NUMBER;
			return createParams;
		}
	}
}

Re: Number only edit boxes ???

Mazdak20-Apr-02 19:08

Mazdak

20-Apr-02 19:08

I do it in KeyPress. Smile | :)

Mazy

"The path you tread is narrow and the drop is shear and very high,
The ravens all are watching from a vantage point near by,
Apprehension creeping like a choo-train uo your spine,
Will the tightrope reach the end;will the final cuplet rhyme?"Cymbaline-Pink Floyd

Re: Number only edit boxes ???

David Wengier20-Apr-02 12:51

David Wengier

20-Apr-02 12:51

An Extender Provider is even more fun, since you can then attach it to any control that accepts key input. A ComboBox is the most obvious other control that this would be useful for.

I just happen to have written one too, but of course, i'm too lazy to do anything about it. Blush | :O

--
David Wengier

Sonork ID: 100.14177 - Ch00k

C# Wizards?

Derek Price19-Apr-02 9:28

Derek Price

19-Apr-02 9:28

I have not found any reference on how to create a wizard dialog (Back/Next/Finish) in C#. I know the property pages were the way to go in C++/MFC, but I don't know if it applies here. I couldn't find any documentation in MSDN.

Any suggestions?

Thanks,
Derek

Re: C# Wizards?

ez219-Apr-02 9:41

ez2

19-Apr-02 9:41

Well I've thought about the same issue.

Actiprosoftware makes a control to create wizards although I haven't tried it. I've used some of their other controls which seem to work OK.

http://www.actiprosoftware.com/products/dotnet/wizard/default.asp

If you try it, would interested in feedback

Re: C# Wizards?

Derek Price19-Apr-02 9:55

Derek Price

19-Apr-02 9:55

Thanks - I did see that, but for such a "simple" task, I hate to add another 3rd party control to maintain and upgrade.

I'll keep searching and if I find an answer I'll make sure I post a reply here!

Derek

Re: C# Wizards?

ez219-Apr-02 14:07

ez2

19-Apr-02 14:07

I agree. If you find any info on wizards, I would love to take a look at it, so feel free to publish it.

Re: C# Wizards?

BLaZiNiX21-Apr-02 18:35

BLaZiNiX

21-Apr-02 18:35

why just don't create one ??

you only have to make some panel with the things you need in and calculate the number of panel(windows) in an array and play with Next and Back using the array

Re: C# Wizards?

Neil Van Note19-Apr-02 20:53

Neil Van Note

19-Apr-02 20:53

As soon as I am finished cleaning/polishing my solution to another gap in .NET (The Header common control), I was going to take a look at implementing the Propery Sheet/Wizards as well. I will let you know...

Regards

Connection String

Mazdak19-Apr-02 3:52

Mazdak

19-Apr-02 3:52

I wonder if anybody could give me an advise on how a OleDbDataAdapter with Microsoft.Jet.OLEDB.4.0 provider can open a database with password !!!
a sample string would really help !

thanks. Smile | :)

Re: Connection String

Neil Van Note19-Apr-02 7:56

Neil Van Note

19-Apr-02 7:56

Mazdak wrote:
a sample string would really help

Does something like the following do anything for you?

"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=f:\data\SomeData.mdb;User ID=SomeUser;Password=SomeUsersPassword"

Regards...

Re: Connection String

Mazdak19-Apr-02 8:20

Mazdak

19-Apr-02 8:20

Thanks.

I use this string but it caused run time error:

connString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=..\\..\\Tennis.mdb;User ID=Admin;Password=mazy";

Any suggestion? Confused | :confused:

Re: Connection String

Neil Van Note19-Apr-02 10:19

Neil Van Note

19-Apr-02 10:19

Nope, Tell you the truth, It's been a while since I have used OLEDB under the JET engines. I have been using the MSDE version of SQL Server for development.

What is the runtime error?

Regards

Re: Connection String

Mazdak19-Apr-02 10:40

Mazdak

19-Apr-02 10:40

Neil Van Note wrote:
What is the runtime error?

When the messagebox appear,in the place of error message there is no message and its empyt. Frown | :(

does Trim() work??

Senkwe Chanda19-Apr-02 0:01

Senkwe Chanda

19-Apr-02 0:01

When I run this,

using System;

namespace trim
{
	public class trim
	{
		static void Main()
		{
			string str = "Senkwe    ";
			Console.WriteLine(str.Length);
			str.Trim();
			Console.WriteLine(str.Length);
		}
	}
}

I get an output of 10 each time. Am I using trim improperly? I even tried specifying an array of characters to be reomoved ie char[] myChars = {' '}; and it still didn't work.

Any ideas?

Regards

Senkwe

Just another wannabe code junky

Re: does Trim() work??

Rüpel19-Apr-02 1:21

Rüpel

19-Apr-02 1:21

Trim returns the new string!

str=str.Trim();

should be the solution

i got into this trap with the Registry-class: when you want to open a subkey you would write

key.open(location);

but instead the handle to the opened key is returned. so

key=key.open(location);

worked.

in general: someone has to explain to me, what the idea behind this weired design is? this behaviour of returning the result looks to me like a static function (like Color.FromArgb()) - which Trim and this registry-open-function are not.

i don't like that design - and obviously i'm not the only one, that was caught in that trap...

:wq

Re: does Trim() work??

Senkwe Chanda19-Apr-02 2:19

Senkwe Chanda

19-Apr-02 2:19

Thanks alot! Boy, that was so un-obvious to me. To make matters worse, the documentation had no real examples of how to use it. I agree that it is wierd and inconsistent.

Thanks again

Regards

Senkwe

Just another wannabe code junky

Re: does Trim() work??

ez219-Apr-02 3:05

ez2

19-Apr-02 3:05

My guess as to why it works this way is that strings are immutable (can't be changed). So methods that apprear to change the string actually return a modified copy. The original string stays intact which is why you needed to assign the returned modified string to the orginal string variable (i.e. str = str.Trim();

Re: does Trim() work??

James T. Johnson19-Apr-02 11:46

James T. Johnson

19-Apr-02 11:46

Exactly

James

Simplicity Rules!

Re: does Trim() work??

ColinDavies19-Apr-02 19:22

ColinDavies

19-Apr-02 19:22

You really understand this stuff well !
Congrats

Regardz
Colin J Davies

Sonork ID 100.9197:Colin

Free Colin Davies

"real Americans don't criticize their leaders - because they don't want the terrorists to win." -- Quote from Chris Losinger a real American"

Re: does Trim() work??

James T. Johnson19-Apr-02 19:56

James T. Johnson

19-Apr-02 19:56

Colin Davies wrote:
You really understand this stuff well !
Congrats

Thanks Smile | :)

I try to be really good at what I do, currently that is C# and .NET Big Grin | :-D

James

Simplicity Rules!

Re: does Trim() work??

ColinDavies19-Apr-02 20:12

ColinDavies

19-Apr-02 20:12

James T. Johnson wrote:
I try to be really good at what I do, currently that is C# and .NET

Thats a good attitude to have !
I hope you succeede ?

Regardz
Colin J Davies

Sonork ID 100.9197:Colin

Free Colin Davies

"real Americans don't criticize their leaders - because they don't want the terrorists to win." -- Quote from Chris Losinger a real American"

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