C# Discussion Boards - CodeProject

Wamuti4-Sep-09 8:26

4-Sep-09 8:26

How can i read the MAC address of a computer?

Wamuti: Any man can be an island, but islands to need water around them!
Edmund Burke: No one could make a greater mistake than he who did nothing because he could do only a little.

Re: Reading The MAC Address

Xmen Real 4-Sep-09 8:29

Xmen Real

4-Sep-09 8:29

http://www.dreamincode.net/code/snippet1727.htm

Re: Reading The MAC Address

Wamuti4-Sep-09 8:52

Wamuti

4-Sep-09 8:52

Thank you so much Thumbs Up | :thumbsup:

. It works like magic!! Wink | ;)

Wamuti: Any man can be an island, but islands to need water around them!
Edmund Burke: No one could make a greater mistake than he who did nothing because he could do only a little.

Re: Reading The MAC Address

0x3c04-Sep-09 9:02

0x3c0

4-Sep-09 9:02

While reading the physical address of each card using WMI works, I've found it to be a little slow. If speed isn't your main concern, this is fine. However, if you want something slightly faster, then you could look into the NetworkInterface class

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And the act
Falls the Shadow

Re: Reading The MAC Address

Dave Kreskowiak4-Sep-09 10:08

Dave Kreskowiak

4-Sep-09 10:08

I'd use the NetworkInterface class over WMI.

Also, if you're going to use the MAC for some security related conern, make sure you're using the SAME MAC every time. It's possible the machine will have multiple network interfaces and will have multiple MAC's. Also, there are additional interfaces that will show up, even though there is no physical adapter for them!

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Re: Reading The MAC Address

Luc Pattyn4-Sep-09 10:25

Luc Pattyn

4-Sep-09 10:25

Warning: the MAC address can be spoofed; it equals the hardware MAC address when the system boots and/or the network connects, you can easily modify it afterwards. So it is not a reliable way for achieving software protection.

Smile | :)

Luc Pattyn

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Creating a ClientProxy from Scratch

Lochnagar4-Sep-09 8:22

Lochnagar

4-Sep-09 8:22

Hello All,
So, I am usually a .NET developer now working in a ColdFusion shop. I found out recently that the
new .NET WCF format Web Services don't play as nicely as some would have you believe, specifically,
they are quite difficult to access successfully through ColdFusion. . . . The easy answer, create
a .NET Proxy to do the actual web interaction and access the local .NET DLL from ColdFusion (much
easier to integrate). So, that is a little background on the overall project.

Now for the Question:
We are having issues with the Skew Value when trying to send to the web service. We have asked the
other end (our client) to see if they can update on their end, but we want to make sure that we are
updating on our end as well. If this was a .NET only application, I could just add three or four
lines to my app.config or web.config file and this would be an easy fix. But, since working with
ColdFusion, I can't use an app.config or web.config file with my .NET DLL (REALLY wish I could).
So, I am creating the complete proxy from scratch, and I could just use some help looking over my
work, making sure that I am doing it correctly, and making sure that I am actually setting the Skew
Value correctly.

Here is the Method that I create the Client Proxy for calling the web service (basically having to
create in code everything that would normally be in the app.config/web.config):

private static NameSpace.Web_Service.ClientProxy createClientProxy()
{
    // Create MyBinding WSHttpBinding for the Client
    System.ServiceModel.WSHttpBinding myBinding = new System.ServiceModel.WSHttpBinding();
    // Setup MyBinding Basic Values
    myBinding.Name = "SecureBinding";
    myBinding.CloseTimeout = new TimeSpan(0, 1, 0);
    myBinding.OpenTimeout = new TimeSpan(0, 1, 0);
    myBinding.ReceiveTimeout = new TimeSpan(0, 30, 0);
    myBinding.SendTimeout = new TimeSpan(0, 1, 0);
    myBinding.BypassProxyOnLocal = false;
    myBinding.TransactionFlow = false;
    myBinding.HostNameComparisonMode = System.ServiceModel.HostNameComparisonMode.StrongWildcard;
    myBinding.MaxBufferPoolSize = 524288;
    myBinding.MaxReceivedMessageSize = 65536;
    myBinding.MessageEncoding = System.ServiceModel.WSMessageEncoding.Text;
    myBinding.TextEncoding = Encoding.UTF8;
    myBinding.UseDefaultWebProxy = true;
    myBinding.AllowCookies = false;

    // Setup MyBinding.ReaderQuotas
    myBinding.ReaderQuotas.MaxDepth = 32;
    myBinding.ReaderQuotas.MaxStringContentLength = 8192;
    myBinding.ReaderQuotas.MaxArrayLength = 16384;
    myBinding.ReaderQuotas.MaxBytesPerRead = 4096;
    myBinding.ReaderQuotas.MaxNameTableCharCount = 16384;

    // Setup MyBinding.ReliableSession
    myBinding.ReliableSession.Ordered = true;
    myBinding.ReliableSession.InactivityTimeout = new TimeSpan(0, 10, 0);
    myBinding.ReliableSession.Enabled = false;

    // Setup MyBinding.Security.Mode
    myBinding.Security.Mode = System.ServiceModel.SecurityMode.TransportWithMessageCredential;

    // Setup MyBinding.Security.Transport
    myBinding.Security.Transport.ClientCredentialType = 
        System.ServiceModel.HttpClientCredentialType.None;
    myBinding.Security.Transport.ProxyCredentialType = 
        System.ServiceModel.HttpProxyCredentialType.None;
    myBinding.Security.Transport.Realm = String.Empty;

    // Setup MyBinding.Security.Message
    myBinding.Security.Message.ClientCredentialType = 
        System.ServiceModel.MessageCredentialType.UserName;
    myBinding.Security.Message.NegotiateServiceCredential = true;
    myBinding.Security.Message.EstablishSecurityContext = true;

    // Create ContractDescription for MyEndpoint
    System.ServiceModel.Description.ContractDescription myContractDesc = 
        new System.ServiceModel.Description.ContractDescription("Web_Service_Name", "Web_Service");

    // Create EndpointAddress for MyEndpoint
    System.ServiceModel.EndpointAddress myepAddress = 
        new System.ServiceModel.EndpointAddress("https://www.webservicelocation.com/WebServiceName/Service.svc");

    // Create MyEndpoint Service Endpoint for the Client
    System.ServiceModel.Description.ServiceEndpoint myEndpoint = 
        new System.ServiceModel.Description.ServiceEndpoint(myContractDesc, myBinding, myepAddress);

    // Create Proxy Service
    NameSpace.Web_Service.Client myProxy = new NameSpace.Web_Service.Client(myBinding, myepAddress);
    BindingElementCollection test = myProxy.ChannelFactory.Endpoint.Binding.CreateBindingElements();
    SymmetricSecurityBindingElement security = new SymmetricSecurityBindingElement();
    security.LocalClientSettings.MaxClockSkew = TimeSpan.FromMinutes(30.00);
    security.LocalServiceSettings.MaxClockSkew = TimeSpan.FromMinutes(30.00);
    SecurityBindingElement bootStrap = new SymmetricSecurityBindingElement();
    bootStrap.LocalClientSettings.MaxClockSkew = TimeSpan.FromMinutes(30.00);
    bootStrap.LocalServiceSettings.MaxClockSkew = TimeSpan.FromMinutes(30.00);
    SecureConversationSecurityTokenParameters secureTokenParams = 
        new SecureConversationSecurityTokenParameters(bootStrap);
    security.ProtectionTokenParameters = secureTokenParams;
    test.Add(security);

    // Add Credentials to Proxy Service
    myProxy.ClientCredentials.UserName.UserName = "MyUserName";
    myProxy.ClientCredentials.UserName.Password = "MyPassword";

    // Return Proxy Service
    return myProxy;
}

And the app.config file that I used to create it is:

<?xml version="1.0"?>
<configuration>
  <configSections>
  </configSections>
  <system.serviceModel>
    <bindings>
      <wsHttpBinding>
        <binding name="MyBinding" closeTimeout="00:01:00" openTimeout="00:01:00" 
            receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" 
            transactionFlow="false" hostNameComparisonMode="StrongWildcard" 
            maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" 
            textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false">
          <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" 
                maxBytesPerRead="4096" maxNameTableCharCount="16384" />
          <reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" />
          <security mode="TransportWithMessageCredential">
            <transport clientCredentialType="None" proxyCredentialType="None" realm="" />
            <message clientCredentialType="UserName" negotiateServiceCredential="true" 
                algorithmSuite="Default" establishSecurityContext="true" />
          </security>
        </binding>
        <binding name="SecureBinding" closeTimeout="00:01:00" openTimeout="00:01:00" 
            receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" 
            transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" 
            maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" 
            allowCookies="false">
          <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096"
            maxNameTableCharCount="16384" />
          <reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" />
          <security mode="TransportWithMessageCredential">
            <transport clientCredentialType="None" proxyCredentialType="None" realm="" />
            <message clientCredentialType="UserName" negotiateServiceCredential="true" algorithmSuite="Default"
                establishSecurityContext="true" />
          </security>
        </binding>
      </wsHttpBinding>
    </bindings>
    <client>
      <endpoint address="https://www.WebServiceSite.com/WebService/Service.svc" binding="wsHttpBinding" 
            bindingConfiguration="MyBinding" contract="Web_Service" name="MyEndpoint" />
      <endpoint address="https://www.WebServiceSite.com/WebService/Service.svc" binding="wsHttpBinding" 
            bindingConfiguration="SecureBinding" contract="NameSpace.WebService" name="SecureBinding" />
    </client>
  </system.serviceModel>
  <appSettings>
    <add key="UserName" value="MyUserName" />
    <add key="Password" value="MyPassword" />
    <add key="ClientSettingsProvider.ServiceUri" value="" />
  </appSettings>
  <startup>
    <supportedRuntime version="v2.0.50727" />
  </startup>
  <system.web>
    <membership defaultProvider="ClientAuthenticationMembershipProvider">
      <providers>
        <add name="ClientAuthenticationMembershipProvider" 
            type="System.Web.ClientServices.Providers.ClientFormsAuthenticationMembershipProvider, 
            System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" 
            serviceUri="" />
      </providers>
    </membership>
    <roleManager defaultProvider="ClientRoleProvider" enabled="true">
      <providers>
        <add name="ClientRoleProvider" type="System.Web.ClientServices.Providers.ClientRoleProvider, 
            System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" 
            serviceUri="" cacheTimeout="86400" />
      </providers>
    </roleManager>
  </system.web>
</configuration>

If someone could let me know if there are any problems, It works, it runs, and for a while it was fine, but when the two clocks get over 5 minutes apart, it is still having issues. I am trying to figure out if it is just me, or if it is the other end. . . . Any suggestions, any help? Thanks all.

Michael Palmer

"All the world's a chip
And all the men and women merely transistors
They have their inputs and their outputs
And one man, in his time, processes many bytes."
~William Shakespeare~ (coined)

Regex help

Xmen Real 4-Sep-09 8:12

Xmen Real

4-Sep-09 8:12

I've a string that contains ShowVideo('sdsdsdsdsd,1,2'); and I want to replace it with new string but before replace I need to retrieve its values(i.e. 'sdsdsdsdsd,1,2'). So I thought to use Regex but I stuck. Actually I'm not good in that thing...I tried following code but I dunno what to write next. I read alot of examples and articles but I couldn't figure it out that how this thing is working...

string data = "NotShowVideo('sdsdsdsdsd,1,2'); ShowVideo('sdsdsdsdsd,1,2');     %     ";

Regex r = new Regex(@"ShowVideo"); // what to write here
MatchCollection mc = r.Matches(data);
for (int a = 0; a < mc.Count; a++)
{
    Match m = mc[a];
}

any help would be nice

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87֦ʻ6ϣN8ȤBcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKQUFK[M`UKs*$GwU#QDXBER@CBN%
R0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-iTV.C\y<pjxsg-b$f4ia>

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128 bit encrypted signature, crack if you can

Re: Regex help

PIEBALDconsult4-Sep-09 9:13

PIEBALDconsult

4-Sep-09 9:13

How about '(\w+),(\d+),(\d+)' ?

Re: Regex help

Xmen Real 4-Sep-09 13:42

Xmen Real

4-Sep-09 13:42

thanks, I'm using the following one

\bShowVideo\('(\w+),(\d+),(\d+)'\);

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128 bit encrypted signature, crack if you can

detach attach [modified]

sos_amin4-Sep-09 7:04

sos_amin

4-Sep-09 7:04

what attch or detach in c# ?plz me query sqlserver ?plz example Wink | ;)

plz me query attch ,detach

modified on Friday, September 4, 2009 1:24 PM

Re: detach attach

musefan4-Sep-09 7:16

musefan

4-Sep-09 7:16

you use the question mark symbol but I don't think your words qualify to be questions.

you want to load/save data to/from SQL server? then have a look at this[^]

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Re: detach attach

Xmen Real 4-Sep-09 8:13

Xmen Real

4-Sep-09 8:13

http://www.mssqlcity.com/Articles/Adm/attach_database.htm

Re: detach attach

Pete O'Hanlon4-Sep-09 9:18

Pete O'Hanlon

4-Sep-09 9:18

sos_amin wrote:
what attch or detach in c# ?plz me query sqlserver ?plz example
plz me query attch ,detach

You actually modified this query? I assume it was even more nonsensical in the original - it's not right to use txtspk in the forums, please desist.

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Getting the Values in Combox from database code file

amaankhan4-Sep-09 6:27

amaankhan

4-Sep-09 6:27

i am having dataset in database file. i want to call a method which will be giving a complete values of dataset.tables. column from database code file to a combox.datasource.

Re: Getting the Values in Combox from database code file

Henry Minute4-Sep-09 8:31

Henry Minute

4-Sep-09 8:31

Take a look at this Walkthrough on MSDN[^], it should give you some ideas.

Henry Minute

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Which is the Best Book for C# programming for Advance Real time Project

amaankhan4-Sep-09 6:04

amaankhan

4-Sep-09 6:04

Kindly suggest the name of book which is cover all the topics and points for making an complete application in C#.net. is their any E.books covering all the topics.

thanks

Re: Which is the Best Book for C# programming for Advance Real time Project

Not Active4-Sep-09 6:24