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what are the good class generators for databases in sql server to C#, i have found some tools but which good tools do U guys recommend ?
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CodeSmith[^] is a very good one.
Steve Maier, MCSD MCAD
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I have used OlyMars and had good results. It produces the data access layer and very usable business components. It's beta and has some quirks in the gui but it's worth a look.
http://www.microsoft.com/france/msdn/technologies/outils/olymars/default.asp
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Hi,
I have a series of labels named light1, light2,...
I'm in a foreach loop of a HashTable i where the indexes are named light1,light2,...
Is there a way to change the proprerty of a Label without doing something like:
foreach ( String i in backupserver.Keys ){
.
.
.
if ( i.Equals("light1" ) )
light1.BackColor= System.Drawing.Color.LimeGreen;
if ( i.Equals("light2") )
light2.BackColor= System.Drawing.Color.LimeGreen;
.
.
.
I'd like to be able to do something like:
foreach ( String i in backupserver.Keys )
{
.
.
"i".light1.BackColor= System.Drawing.Color.LimeGreen;
}
Where "i" would be translated at runtime to light1,light2...
Other than that it takes a lot of lines to have all the condition covered.
Hope someone can help!
Thanks
Pierre
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What are the values of the Hashtable? The controls?
You could iterate through the control collection:
if (val is Label)
{
((Label)val).BackColor=Color.LimeGreen;
}
or something like that.
Marc
My website
Latest Articles:
Object Comparer
String Helpers
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Actually, the hashtable is a machine name and a log file name as:
backupserver.Add("light1","\\\\light1\\d$\\logs\\log.txt");
.
.
.
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I was wondering if you as a C# programmer try to keep the line width of your code under a certain number of characters.
Back in my C days, I tried to keep all lines of code within 72 characters. This wasn't hard to do. But I'm finding it impossible with C#. For one thing the .NET coding guidelines discourage abreviated names for classes, methods, events, etc. (which I understand and agree with). But more importantly, with namespaces, classes, methods, and so on, I find myself indenting further and further before I even get to the meat of the code. And it's even worse if you're trying to make the class thread safe using the lock mechanism.
To show you what I mean...
namespace SomeNamespace
{
private readonly object lockObject = new Object();
public class SomeClass
{
public void SomeMethod()
{
lock(lockObject)
{
}
}
}
}
I find it imposible in many cases to keep the code within a certain line width. I'm not complaining; I appreciate all of these constructs that make programming easier to manage and reason about. But I was just wondering what other C# programmers think about line width. What approaches do you take? Or do you just not worry about it?
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It's beeter to consider readability than line length or line count. Indenting improves readability.
If you need to use a shorthand version of a namespace or class, try out the using statement:
using d3d = Microsoft.DirectX.Direct3d;
As an aside, it isn't recommened you make classes thread-safe by default. Making classes thread-safe comes at the expense of performance; everything has to acquire a lock, which is inefficient and can lead to deadlocks and locking of the UI thread. Rather, if you need a thread-safe class, make a wrapper around your class that uses locks, or have the calling code do the locking.
And an FYI, line lengths are only going to get longer with generics in .NET 2.0, where generic methods must have type argument supplied to them, further lengthening some method calls. Additionally, using foreach over some generic list or dictionary looks pretty long:
foreach(KeyValuePair<tstring, bool> pair in myStringBoolDictionary)
{
}
That alone is 72 characters; the main thing to worry about is readability, IMO.
Tech, life, family, faith: Give me a visit.
I'm currently blogging about: Conversation With a Muslim
Judah Himango
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I am working on a server application and I need to use the windows ping utility to ping the clients, can anyone tell me how to do this in C#???
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I'm not sure why you think you need to do this. It typically won't work properly if the client is behind a firewall - either a personal firewall such as Norton Internet Security or Windows Firewall in XP SP2, or a hardware device. If the client is behind a Network Address Translation device, if anything responds it's likely to be the NAT device rather than the client itself. Most firewalls now refuse to respond to the ICMP Echo messages sent by ping.
Even if you could do this, there's no guarantee that if this packet got through, that the eventual response would do. There's no guarantee that the program connecting to you is still running - just that the client's network stack is responding. So it doesn't actually give you the information you're after anyway.
Stability. What an interesting concept. -- Chris Maunder
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code in C# to:
search an entered ip address or computername in a network.(not using any database).
Amar
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What do you mean "search an entered IP address"? Are you trying to run a file search on that machine?
Tech, life, family, faith: Give me a visit.
I'm currently blogging about: Conversation With a Muslim
Judah Himango
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Code in C#, where an user enters an ip address or computername, to search in a network. The result will be in the form of a messagebox, saying " the computer is present".
Amar
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You mean your trying to see if a machine exists if you can Ping that machine name or address. Search for "Ping C#", you'll come up with hundreds of examples.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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i need a ready code for ping, where:
1) i enter a ipaddress or computer name in a textbox
2) the response is recorded in a listbox.
the code should b in C#.
i searched in codeproject, but cold not get proper code.
Amar
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The only way you're going to get "proper code" is if you write it yourself. Like I said before, Google for "C# Ping" and you'll come up with tons of examples on how to ping. You then have to supply the rest of the code to get exactly what you want.
The Code Project is about helping people with their code, not writing it for them.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi,
In the following,
double d = double.NaN;
bool bd = d == double.NaN;
float f = float.NaN;
bool bf = f == float.NaN;
both Booleans return false.
What gives?
Thanks,
Tom
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How to retrieve admin password?
-> using wmi
-> in c#.net
amar
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The user password for the administrator of the system? I don't believe that is possible...I certainly hope it is not, otherwise anyone with rudimentary knowledge of WMI could learn my password. :-p
Tech, life, family, faith: Give me a visit.
I'm currently blogging about: Conversation With a Muslim
Judah Himango
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You can't. It's one-way encrypted. There are no functions anywhere that will give you the password.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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How to show the screen with virtual keyboard on Pocket PC 2003 device, without prompting user to click the icon? I need it to show every time user click in edit box.
thanks.
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Add a Microsoft.WindowsCE.Forms.InputPanel component to your form. Add a SetFocus handler to the edit box. In the handler, set the Enabled property of the InputPanel object to true. If you want to hide the panel again when the user moves to a different control, add a handler for the KillFocus event and set Enabled to false.
Stability. What an interesting concept. -- Chris Maunder
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