I created a small app and with this app I want to send the data (over wifi or bluetooth) to a PC/server.
I am thinking of creating a webservice that will ru
Use SQL Server to manage the data on your desktop and create a web-service in .NET on Visual Studio.
Then connect to the web-service in your application and set/get data from the DB, using web-services.
Links which might be useful :
How to make a web-service in .NET (does not include the implementation in Android) : http://srikanthtechnologies.com/blog/dotnet/wsdaljava.aspx
How to connect your service with Android :
http://seesharpgears.blogspot.in/2010/11/basic-ksoap-android-tutorial.html
http://www.codeproject.com/Articles/304302/Calling-Asp-Net-Webservice-ASMX-From-an-Android-Ap
http://adrianandroid.blogspot.in/2012/05/access-c-net-web-service-in.html