On Oct 17, 6:13 pm, tomar <dharmendratomar2...@gmail.com> wrote:
> Hi All,
>
> I Made a win32 dll named with Test.dll in VC++6.0 using following code
>
> /
> *************************************************************************=
**=AD***
> ** FUNCTION: ASum
> *************************************************************************=
**=AD****/
> extern "C" __declspec(dllexport) int ASum(int a, int b)
> {
> return (a+b);
>
> }
>
> When I Use this Test.dll (Unmanaged code) in WebService(Managed code)
> written in C# like
>
> public class AldorWeb : System.Web.Services.WebService
> {
> [DllImport("Test.dll", SetLastError =3D false)]
> public static extern int ASum(int a,int b);
>
> public AldorWeb()
> {
> //CODEGEN: This call is required by the ASP.NET Web
> Services Designer
> InitializeComponent();
> }
> [WebMethod]
> public bool SUM()
> {
> try
> {
> int x =3D ASum(2, 3);
> }
> catch(Exception e)
> {
> LogWriter.WriteLog(1, 1, (int)enLogType.eTraceLog,e.T=
oString());
> }
> }
>
> }
>
> it gives error like "Unable to load DLL (Test.dll)." if I call SUM
> webmethod. while same code in Windows Application is working fine.
>
> I think that Permission might be an issue but don't know how to
> implement it. I use Impersonation also but no benefit. even I tried to
> use this code using class library written in C# and called this
> library in webservice but useless.
>
> Please suggest me some solujtions.
>
> Thanks all.
> Dharmendra Singh Tomar
> Metadesign Solutions

"tomar" <dharmendratomar2000@gmail.com> wrote in message
news:1192626834.595925.305110@e34g2000pro.googlegroups.com...
> Hi All,
>
> I Made a win32 dll named with Test.dll in VC++6.0 using following code
>
> /
> ******************************************************************************
> ** FUNCTION: ASum
> *******************************************************************************/
> extern "C" __declspec(dllexport) int ASum(int a, int b)
> {
> return (a+b);
> }
>
>
> When I Use this Test.dll (Unmanaged code) in WebService(Managed code)
> written in C# like
>
> public class AldorWeb : System.Web.Services.WebService
> {
> [DllImport("Test.dll", SetLastError = false)]
> public static extern int ASum(int a,int b);
>
> public AldorWeb()
> {
> //CODEGEN: This call is required by the ASP.NET Web
> Services Designer
> InitializeComponent();
> }
> [WebMethod]
> public bool SUM()
> {
> try
> {
> int x = ASum(2, 3);
> }
> catch(Exception e)
> {
> LogWriter.WriteLog(1, 1, (int)enLogType.eTraceLog,e.ToString());
> }
> }
> }
>
> it gives error like "Unable to load DLL (Test.dll)." if I call SUM
> webmethod. while same code in Windows Application is working fine.
>
> I think that Permission might be an issue but don't know how to
> implement it. I use Impersonation also but no benefit. even I tried to
> use this code using class library written in C# and called this
> library in webservice but useless.

trizetto.com> wrote:
> "tomar" <dharmendratomar2...@gmail.com> wrote in message
>
> news:1192626834.595925.305110@e34g2000pro.googlegroups.com...
>
>
>
>
>
> > Hi All,
>
> > I Made a win32 dll named with Test.dll in VC++6.0 using following code
>
> > /
> > ***********************************************************************=
****=AD***
> > ** FUNCTION: ASum
> > ***********************************************************************=
****=AD****/
> > extern "C" __declspec(dllexport) int ASum(int a, int b)
> > {
> > return (a+b);
> > }
>
> > When I Use this Test.dll (Unmanaged code) in WebService(Managed code)
> > written in C# like
>
> > public class AldorWeb : System.Web.Services.WebService
> > {
> > [DllImport("Test.dll", SetLastError =3D false)]
> > public static extern int ASum(int a,int b);
>
> > public AldorWeb()
> > {
> > //CODEGEN: This call is required by the ASP.NET Web
> > Services Designer
> > InitializeComponent();
> > }
> > [WebMethod]
> > public bool SUM()
> > {
> > try
> > {
> > int x =3D ASum(2, 3);
> > }
> > catch(Exception e)
> > {
> > LogWriter.WriteLog(1, 1, (int)enLogType.eTraceLog,e.ToString());
> > }
> > }
> > }
>
> > it gives error like "Unable to load DLL (Test.dll)." if I call SUM
> > webmethod. while same code in Windows Application is working fine.
>
> > I think that Permission might be an issue but don't know how to
> > implement it. I use Impersonation also but no benefit. even I tried to
> > use this code using class library written in C# and called this
> > library in webservice but useless.
>
> Did you place the dll in the bin\ directory?
>
> In fact, are you running VS2005 SP1, and is this an "ASP.NET Web Service
> Application", or did you create it with File->New->Web Site?
>
> Also, please include the entire, literal, exception that you receive.
> --
> -------------------------------------------------------------------------=
--=AD-----
> John Saunders | MVP - Windows Server System - Connected System Developer-=
Hide quoted text -
>
> - Show quoted text -

On Oct 18, 9:42 am, tomar <dharmendratomar2...@gmail.com> wrote:
> On Oct 17, 8:44 pm, "John Saunders [MVP]" <john.saunders at
>
>
>
>
>
> trizetto.com> wrote:
> > "tomar" <dharmendratomar2...@gmail.com> wrote in message
>
> >news:1192626834.595925.305110@e34g2000pro.googlegroups.com...
>
> > > Hi All,
>
> > > I Made a win32 dll named with Test.dll in VC++6.0 using following code
>
> > > /
> > > *********************************************************************=
******=AD=AD***
> > > ** FUNCTION: ASum
> > > *********************************************************************=
******=AD=AD****/
> > > extern "C" __declspec(dllexport) int ASum(int a, int b)
> > > {
> > > return (a+b);
> > > }
>
> > > When I Use this Test.dll (Unmanaged code) in WebService(Managed code)
> > > written in C# like
>
> > > public class AldorWeb : System.Web.Services.WebService
> > > {
> > > [DllImport("Test.dll", SetLastError =3D false)]
> > > public static extern int ASum(int a,int b);
>
> > > public AldorWeb()
> > > {
> > > //CODEGEN: This call is required by the ASP.NET Web
> > > Services Designer
> > > InitializeComponent();
> > > }
> > > [WebMethod]
> > > public bool SUM()
> > > {
> > > try
> > > {
> > > int x =3D ASum(2, 3);
> > > }
> > > catch(Exception e)
> > > {
> > > LogWriter.WriteLog(1, 1, (int)enLogType.eTraceLog,e.ToString());
> > > }
> > > }
> > > }
>
> > > it gives error like "Unable to load DLL (Test.dll)." if I call SUM
> > > webmethod. while same code in Windows Application is working fine.
>
> > > I think that Permission might be an issue but don't know how to
> > > implement it. I use Impersonation also but no benefit. even I tried to
> > > use this code using class library written in C# and called this
> > > library in webservice but useless.
>
> > Did you place the dll in the bin\ directory?
>
> > In fact, are you running VS2005 SP1, and is this an "ASP.NET Web Service
> > Application", or did you create it with File->New->Web Site?
>
> > Also, please include the entire, literal, exception that you receive.
> > --
> > -----------------------------------------------------------------------=
----=AD=AD-----
> > John Saunders | MVP - Windows Server System - Connected System Develope=
r- Hide quoted text -
>
> > - Show quoted text -
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

> Hi John,
> First of all thanks for your quick response .My comments are
> below as the answer of your questions.
>
> 1. Yes I have Placed the dll in bin\ directory.
> 2. My Application is an webservice application.
> 3. I am using Dotnet Framwork 1.1.4322.
> 4. Exception : System.DllNotFoundException
> Message : Unable to load DLL (Test.dll).
> Is there any restriction in this version? As far as I think If we are
> calling functions of kernel32.dll, User32.dll and advapi32.dll.
> Application is working fine for these built in dll's. What can be the
> issue if I use User created Dll and this dll is perfectly loading in
> windows application in C#.
>
> Regards,
> Dharmendra Singh Tomar- Hide quoted text -
>
> - Show quoted text -

On Oct 18, 1:07 pm, tomar <dharmendratomar2...@gmail.com> wrote:
> On Oct 18, 9:42 am, tomar <dharmendratomar2...@gmail.com> wrote:
>
>
>
>
>
> > On Oct 17, 8:44 pm, "John Saunders [MVP]" <john.saunders at
>
> > trizetto.com> wrote:
> > > "tomar" <dharmendratomar2...@gmail.com> wrote in message
>
> > >news:1192626834.595925.305110@e34g2000pro.googlegroups.com...
>
> > > > Hi All,
>
> > > > I Made a win32 dll named with Test.dll in VC++6.0 using following c=
ode
>
> > > > /
> > > > *******************************************************************=
********=AD=AD=AD***
> > > > ** FUNCTION: ASum
> > > > *******************************************************************=
********=AD=AD=AD****/
> > > > extern "C" __declspec(dllexport) int ASum(int a, int b)
> > > > {
> > > > return (a+b);
> > > > }
>
> > > > When I Use this Test.dll (Unmanaged code) in WebService(Managed cod=
e)
> > > > written in C# like
>
> > > > public class AldorWeb : System.Web.Services.WebService
> > > > {
> > > > [DllImport("Test.dll", SetLastError =3D false)]
> > > > public static extern int ASum(int a,int b);
>
> > > > public AldorWeb()
> > > > {
> > > > //CODEGEN: This call is required by the ASP.NET Web
> > > > Services Designer
> > > > InitializeComponent();
> > > > }
> > > > [WebMethod]
> > > > public bool SUM()
> > > > {
> > > > try
> > > > {
> > > > int x =3D ASum(2, 3);
> > > > }
> > > > catch(Exception e)
> > > > {
> > > > LogWriter.WriteLog(1, 1, (int)enLogType.eTraceLog,e.ToString());
> > > > }
> > > > }
> > > > }
>
> > > > it gives error like "Unable to load DLL (Test.dll)." if I call SUM
> > > > webmethod. while same code in Windows Application is working fine.
>
> > > > I think that Permission might be an issue but don't know how to
> > > > implement it. I use Impersonation also but no benefit. even I tried=
to
> > > > use this code using class library written in C# and called this
> > > > library in webservice but useless.
>
> > > Did you place the dll in the bin\ directory?
>
> > > In fact, are you running VS2005 SP1, and is this an "ASP.NET Web Serv=
ice
> > > Application", or did you create it with File->New->Web Site?
>
> > > Also, please include the entire, literal, exception that you receive.
> > > --
> > > ---------------------------------------------------------------------=
------=AD=AD=AD-----
> > > John Saunders | MVP - Windows Server System - Connected System Develo=
per- Hide quoted text -
>
> > > - Show quoted text -
>
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

> > Hi John,
> > First of all thanks for your quick response .My comments are
> > below as the answer of your questions.
>
> > 1. Yes I have Placed the dll in bin\ directory.
> > 2. My Application is an webservice application.
> > 3. I am using Dotnet Framwork 1.1.4322.
> > 4. Exception : System.DllNotFoundException
> > Message : Unable to load DLL (Test.dll).
> > Is there any restriction in this version? As far as I think If we are
> > calling functions of kernel32.dll, User32.dll and advapi32.dll.
> > Application is working fine for these built in dll's. What can be the
> > issue if I use User created Dll and this dll is perfectly loading in
> > windows application in C#.
>
> > Regards,
> > Dharmendra Singh Tomar- Hide quoted text -
>
> > - Show quoted text -
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

>
> Hi all,
>
> I got the Problem, Actually this Project includes another project
> which creates .Lib file as output So dependency of this project is on
> other project. If I remove All the dependency It gets Called fine. But
> Problem Is here that I have to call this dll with dependency on .Lib
> file. I put that Lib file in webservice's bin folder with dll but same
> error comes.
>
> Please help me to resolve this issue.
>
> Dharmendra Singh Tomar
> MetaDesign Solutions- Hide quoted text -
>
> - Show quoted text -