C# Discussion Boards - CodeProject

Martin#4-Dec-06 20:42

4-Dec-06 20:42

Hello,

I would like to know if it's possible (and how) to get the free memory (RAM).
I searched in google and here on the forum but had no luck so far. (It's also quit difficult to search for "free memory" )

Thanks for youre time and help,

Martin

Re: Getting free physical Memory ?

Anton Afanasyev4-Dec-06 21:26

Anton Afanasyev

4-Dec-06 21:26

That's hardware, and hardware isnt downloadable Laugh | :laugh:

Badger | [badger,badger,badger,badger...]

Re: Getting free physical Memory ?

Martin#4-Dec-06 21:44

Martin#

4-Dec-06 21:44

Hello,

Anton Afanasyev wrote:
That's hardware, and hardware isnt downloadable

Sorry but I don't even understand that joke?
Maybe you can help next time.

Re: Getting free physical Memory ?

Anton Afanasyev4-Dec-06 21:56

Anton Afanasyev

4-Dec-06 21:56

gaaaah whats with people and no sense of humour. hmm, maybe its due to me having to be in bed by now...
anyways, what i mean was that you were asking where you could get free RAM, and searching in google didnt help. as in, nobody willing to give you free ram.
/me holds up "LAUGH NOW" sign...

Re: Getting free physical Memory ?

Martin#4-Dec-06 22:03

Martin#

4-Dec-06 22:03

If it makes youre day better, I send you:
Laugh | :laugh:

Anton Afanasyev wrote:
whats with people and no sense of humour

Maybe humor like that makes more fun if it is posted togetter with a real answer!

All the best,

Martin

Re: Getting free physical Memory ?

Anton Afanasyev5-Dec-06 21:53

Anton Afanasyev

5-Dec-06 21:53

The sad thing is, I replied to what I thought he meant...then later, adapted that answer to the situation. heh.I guess I deserved those 1 votes.

Re: Getting free physical Memory ?

Bhupi Bhai4-Dec-06 21:32

Bhupi Bhai

4-Dec-06 21:32

Yes, I guess it's possible using SDK Memory related API's.
Can't recall the exact API's though (had used them some 5yrs back D'Oh! | :doh:

), try finding them on MSDN.
Hummm .... can recall of one called "GetSystemInfo" which returns info about current system.
Good luck !!

Regards,
Bhupi Bhai.

Re: Getting free physical Memory ?

Martin#4-Dec-06 21:57

Martin#

4-Dec-06 21:57

Thanks very much in advance!

I'll give it a try (GetSystemInfo in kernel32.dll)!

Martin

Re: Getting free physical Memory ?

Martin#4-Dec-06 22:50

Martin#

4-Dec-06 22:50

Hello,

Had no luck with that.

GetSystemInfo returns a:

[StructLayout(LayoutKind.Sequential)]
class SYSTEM_INFO
{
    public ushort wProcessorArchitecture;
    public ushort wReserved;
    public uint dwPageSize;
    public IntPtr lpMinimumApplicationAddress;
    public IntPtr lpMaximumApplicationAddress;
    public IntPtr dwActiveProcessorMask;
    public uint dwNumberOfProcessors;
    public uint dwProcessorType;
    public uint dwAllocationGranularity;
    public ushort wProcessorLevel;
    public ushort wProcessorRevision;
}

I implemented it like that:

[DllImport("kernel32.dll", CharSet = CharSet.Unicode,CallingConvention = CallingConvention.Winapi, EntryPoint = "GetSystemInfo")]
private static extern void GetSystemInfo([In,MarshalAs(UnmanagedType.LPStruct)]SYSTEM_INFO pSysInfo);

And called it like that:

SYSTEM_INFO sysinfo = new SYSTEM_INFO();
GetSystemInfo(sysinfo);

But I didn't found a member that fits me needs Unsure | :~

If I made something wrong, please let me know.

But again thanks for youre time.

Martin

Re: Getting free physical Memory ?

Bhupi Bhai4-Dec-06 23:05

Bhupi Bhai

4-Dec-06 23:05

Yes, ur on the right track.
But I am sorry can't recall the exact API for it.
You will have to do some more rnd on this.

Regards,
Bhupi Bhai.

Re: Getting free physical Memory ?

Martin#4-Dec-06 23:32

Martin#

4-Dec-06 23:32

Found it!

GlobalMemoryStatus from kernel32.dll

Thanks again!

Re: Getting free physical Memory ?

lmoelleb4-Dec-06 23:13

lmoelleb

4-Dec-06 23:13

I would suspect you can get the info though WMI. Using WMI from C# is fairly simple - you should be able to get a sample from Google. I would probably try to split the search into two:

1) How to use WMI from C#
2) How to get the free memory though WMI (in any language)

just in case you can't easily find an example getting the free memory from C#.

Re: Getting free physical Memory ?

Martin#4-Dec-06 23:23

Martin#

4-Dec-06 23:23

Hello,

I think I found it 5minutes ago.
But I will need it in future.

Thank you.

All the best,

Martin

Re: Getting free physical Memory ?

Bhupi Bhai4-Dec-06 23:44

Bhupi Bhai

4-Dec-06 23:44

Yes, lmoelleb (is that ur name) is right.
Using WMI in C# you can get Free Physical Memory.

ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem");
ManagementObjectCollection queryCollection1 = query.Get();
foreach(ManagementObject mo in queryCollection1 )
{
Console.WriteLine("Free Physical Memory : " + mo["freephysicalmemory"].ToString());
}

Regards,
Bhupi Bhai.

Re: Getting free physical Memory ?

Martin#4-Dec-06 23:29

Martin#

4-Dec-06 23:29

Got it now!:->

Here is what I'm using now:

[StructLayout(LayoutKind.Sequential)]
class MEMORYSTATUS
{
    public IntPtr dwLength;
    public IntPtr dwMemoryLoad;
    public IntPtr dwTotalPhys;
    public IntPtr dwAvailPhys;
    public IntPtr dwTotalPageFile;
    public IntPtr dwAvailPageFile;
    public IntPtr dwTotalVirtual;
    public IntPtr dwAvailVirtual;
}

[DllImport("kernel32.dll", CharSet = CharSet.Unicode,CallingConvention = CallingConvention.Winapi, EntryPoint = "GlobalMemoryStatus")]
private static extern void GlobalMemoryStatus([In,MarshalAs(UnmanagedType.LPStruct)]MEMORYSTATUS lpBuffer);

Maybe somebody needs it.

Thanks for the replies.

All the best,

Martin

how to call web service from Windows Service in C#?

ramyasangeet4-Dec-06 19:59

ramyasangeet

4-Dec-06 19:59

Hi all,

I am working on Windows Service Application.I want to call a webservice and to retrive Output xmlfile values generated by the webservice.
I have done the same in Windows Application.It worked.

but if i use the same code in Windows Service,i got this System.Net.WebException.

//to call the Webservice

localhost.Service service = new SDSettingsServices.localhost.Service();<br />
  <br />
 service.GetSNCompleted += new SDSettingsServices.localhost.GetSNCompletedEventHandler(service_SN);<br />
           <br />
 service.GetSNAsync(Corpname, divisionname);

public void service_SN(object o, SDSettingsServices.localhost.GetSNCompletedEventArgs e)<br />
        {<br />
         //to retrive the value from the Output Xml file of                  webservice            <br />
            string serial = e.Result.SerialNo;<br />
         }<br />
<br />

PLz help me to find out the exception.
Is there any other method to call a webservice from Windows Service..

Thanks in Advance,

cheers

sangeet

Re: how to call web service from Windows Service in C#?

Guffa4-Dec-06 21:45

Guffa

4-Dec-06 21:45

What was the error message in the WebException?

---
b { font-weight: normal; }

Re: how to call web service from Windows Service in C#?

ramyasangeet4-Dec-06 21:57

ramyasangeet

4-Dec-06 21:57

Thanks for ur Reply..

i got this error.
WebException was unhandled/
The request failed with HTTP status 403: Forbidden.

cheers

sangeet

Re: how to call web service from Windows Service in C#?

jdkulkarni5-Dec-06 0:36

jdkulkarni

5-Dec-06 0:36

Please check the account under which the service is running. By default windows applications runs under the currently logged on user's credentilas who is mostly having all access. But when you run windows service there are different account under which you can run the service.

Jayant D. Kulkarni
Brainbench Certified Software Engineer in C#, ASP.NET, .NET Framework and ADO.NET

Re: how to call web service from Windows Service in C#?

ramyasangeet5-Dec-06 1:34

ramyasangeet

5-Dec-06 1:34

Thanks for ur suggestions..it worked..

cheers

sangeet

replacing a string that has double quotes to single qoutes

steve_rm4-Dec-06 19:57

steve_rm

4-Dec-06 19:57

Hello,

I have some strings which I want to replace them with single quotes so that I can use them as arguments that are passed to a sql query.

Example, string variable Name:
"Peter John"

Should be replaced with single quotes
'Peter John'

so name should contain only 'Peter John'

Is there any possible way to do this.

Many thanks,

Steve

Re: replacing a string that has double quotes to single qoutes

rah_sin4-Dec-06 20:00

rah_sin

4-Dec-06 20:00

u can try string.Replace() method

rahul

Re: replacing a string that has double quotes to single qoutes

steve_rm4-Dec-06 20:07

steve_rm

4-Dec-06 20:07

Hello,

I have tried that already. The replace method has 2 overloaded methods. One that accepts unicode, and the other that accepts strings.

I did this:
name.replace(39,34) unicodes for " and '. didn't do anything.

name.replace(" " ", " ' ") accepts the single quote, but has syntax for the first argument.

Any ideas on the above,

Thanks very much,

Steve

Re: replacing a string that has double quotes to single qoutes

rah_sin4-Dec-06 20:28

rah_sin

4-Dec-06 20:28

if ur passing string value in sql query then in that sql query u can pass the value in following way "insert into xyz values('"+name+"')";

rahul

Re: replacing a string that has double quotes to single qoutes

quiteSmart4-Dec-06 20:17

quiteSmart

4-Dec-06 20:17

lets say we have a string variable that is called name and has in it the name that you want to use:

<br />
String name;<br />
name = name.Replace('\"', '\'');<br />

Note: \ is the escape character

Last Visit: 31-Dec-99 18:00 Last Update: 24-Jun-24 6:35

Refresh

ᐊ Prev 1...10296 10297 10298 102991030010301 10302 10303 10304 10305 Next ᐅ

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.