Saturday, April 28, 2012

Use Dlls In HTML (JSP/PHP/ASP) (Use Windows Desktop Application in a Browser)

Use .DLLs in JSP/PHP (HTML) 

I have Divided in three Parts
  1. Download and Setup Microsoft .NET Framework 2.0 Configuration Setup
  2. Visual studio project (DLL)
  3.  JSP Page (Caller of DLL)

Setup Microsoft .NET Framework 2.0 Configuration Setup

  1. Download
  2. Click Control Panel->Administrative Tool->Microsoft .NET Framework 2.0 Configuration
  3. Expand My Computer by clicking the plus sign(+).
  4. Now Expand Runtime Security Policy
  5. Now Expand Runtime Security Policy
  6. Now Expand Machine
  7. Now expand Code Groups
  8. Now expand All_Code
  9. Click LocalIntranet_Zone

  1. Click Edit Code Group Properties
  2. Click Permission Set
  3. From the drop down select FullTrust
  4. Then click Ok
  5. Open the Internet Explorer go to tools à options à security.

  6. Click on the sites button; add following URL in trusted zone websites list, add ur url

Visual Studio Project

1.       Create a project windows form class library
2.       Add References of  all DLLs if used  like (someexternal.dll)
3.       Build application and get DLLs from debug folder
a.       If multiple DLLs created use ILMerge.exe for making it a single DLLs.
b.      Create .SNK file
c.       Put .SNK file in IL Merge Folder  (C:\Program Files\Microsoft\ILMERGE)
d.      Put all DLLs in ILMERGE Folder

4.       Make signed DLLs either using sn.exe or use ILMERGE. I  preferred ILMERGE
a.       Commands to signed DLLs using ILMERGE:
                                                               i.      ilmerge /out:softPhone.dll /keyfile:key.snk primary.dll            SecondryOrReferenced.dll log4net.dll
b.      Now your .Net application is ready for Java Client, Copy DLLs from ILMERGE Folder and paste in tomcat server folder.

JSP Page

Make separate folder for DLLs.
Use Object tag
<OBJECT id="Merged"   
classid="myDll.dll#myDllNamespace.UserControl1" width="100%">
Take care of name space for calling DLL main class
Now run on IE your JSP will now run.Net Application

Steps to Remember:

1.       We have made usercontrol therefore we have to call from a client there is no exe
2.       There is different path for for config file it is better to use my Documents folder as it is a public folder
System.Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "\\naushadlog.config")
3.       Dll must be signed
4.       Microsoft .NET Framework 2.0 Configuration must be installed and configured.
5.       Verify signed DLLs in GAC using following command
C:\Program Files\Microsoft Visual Studio 9.0\VC> gacutil /ldl

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