You say “There is a confict between the share  point web  config file  which is available in the bin  folder” …

That shouldn’t be the case. The web.config should be in the root of the virtual server… and the \bin should be in the same root… so you’d have:

C:\inetpub\wwwroot

Web.config

\bin

WebPart1.dll

WebPart2.dll

You should be putting your name-value pairs that your Web Part needs to access in the web.config in the root, NOT in the \bin. The .NET Framework looks for web.config’s in the web application root (or in subfolders).

Or have I misunderstood you?

The web.config that your web  part will use will be the one for SharePoint. You should not be installing your web parts manually – you should be using CAB files which will put them in the right directories for you.

I have to define some of my values  in the appsettings section of the web  config file? Which web config  file have to define?

The web.config that your web part  will use will be the one for SharePoint. You should not be installing your web parts manually – you should be using CAB files which will put them in the right directories for you.

As per your advise,
The following settings which are more specific to one particular web  part.
<appSettings>
<add key="WSUrl" value="http://172.27.2.55:6060/ProcessEngineWS"></add>
<add key="FNCEURL" value="http://localhost:6070/FNCEWS10DIME"></add>
<add key="RootId" value="{0F1E2D3C-4B5A-6978-8796-A5B4C3D2E1F0}"></add>
<add key="HostName" value="172.27.2.58"></add>
<add key="Workplace" value="http://localhost:8080/Workplace"></add>
</appSettings>

Can i include the above settings into the web config  file of the share  point?

The web.config that your web part  will use will be the one for SharePoint. You should not be installing your web parts manually – you should be using CAB files which will put them in the right directories for you.

In my opinion these keys and values  can be added to
the web.config but I have my doubts why they need to
be placed separate from the webpart. This information
can all be obtained by the webpart itself
programmatically using the SPS Object Model (eg
SPGlobalAdmin, SPVirtualServer, ...).

Can you please give me a sample to do what ever you have explained because iam new to sharepoint

In my opinion these keys and values  can be added to
the web.config but I have my doubts why they need to
be placed separate from the webpart. This information
can all be obtained by the webpart itself
programmatically using the SPS Object Model (eg
SPGlobalAdmin, SPVirtualServer, ...).

On http://www.ontolica.com/ (and NO, I am not working
for them!) they have this excellent tool: Sharepoint
Explorer. With this wonderful tool you can browse
through the entire SPS Object Model.

I created  a while ago a copy of this SPS Object Model
browser but as webpart, simply to get all the code I
would need bundled in one source. I don't go into
details of this webpart, but you can (referring to the
SDK's) read almost any SPS property through the Object
Model, eg:

StringBuilder sb = new StringBuilder("");

SPGlobalAdmin globalAdmin = new SPGlobalAdmin();
SPVirtualServerCollection servers =
globalAdmin.VirtualServers;

foreach(SPVirtualServer server in servers)
{
sb.Append(" Portal: " +
server.Description.ToString() + " ");

if (server.State == SPVirtualServerState.Ready)
{
SPSiteCollection sites = server.Sites;

foreach(SPSite site in sites)
{
sb.Append("Site: " + site.Url.ToString() + " ");

SPWebCollection webs = site.AllWebs;

foreach(SPWeb web  in webs)
{
sb.Append("TeamSite Name: " + web.Name.ToString()
+ " ");
}
}
}
}

return sb.ToString();

The one used by SharePoint… in the root of your virtual server. If your SharePoint site was intalled on the default web  site for example: c:\inetpub\wwwroot\web.config

I have to define some of my values  in the appsettings section of the web  config file? Which web config  file have to define?

The web.config that your web part  will use will be the one for SharePoint. You should not be installing your web parts manually – you should be using CAB files which will put them in the right directories for you.