1. Differences between VB and VB.net

VB
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1 Object-based Language
2 Doesnot support Threading
3 Not powerful Exception handling
mechanism
4 Doesnot having support for the
console based applications
5 Cannot use more than one version
of com objects in vb application
called DLL error
6 Doesnot support for the Disconnected
data source.

VB.Net
__________________________
1 Object-oriented Language
2 supports Threading
3 powerful Exception handling
mechanism
4 having support for the
console based applications
5 More than one version of
dll is supported
6 supports the Disconnected
data source by using Dataset class

ASP:

1)It is a technology of Microsoft for Web based application Developement.

2)It is a Interpeted Based Technology using Scripting languages for

supporting functinality developement.

3)Therse is no proper memory management and compile time error

checking because of java script or vb script

4) There is no controles for mobile applicaton deveopement

ASP.NET:

1) It is a New Technology of Microsoft for Web Server Developement.

2)It is Compiled Based.it Uses C# or VB.NET or VJ++.net for supporting

functionality developement.

3) There is a proper memory management and error cheching at

compile time because it uses compile based languages.

4) Mobile controles comes with this for mobile application development.

ADO

1. This object model could be used even for non RDBMS products. We can read data from xml excel csv files also.

2. ADO objects are dependent on OLEDB providers and OLEDB providers would connect to the backend.

3. Fully COM based.

ADO.NET

1. It is not an enhanced version of ADO. Its a new object model which has some objects similar to ADO.

2. In ADO.NET we use ManagedProviders.