What is asmx file

.asmx is Web service file, which stands for Active Server Method file.

Introduction to Web Service

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SharePoint list to InfoPath dropdown control

How to add SharePoint column values to InfoPath dropdown control

Step 1: Tools -> Data connections

Step 2: Add a new data connection to receive data

Step 3: Select from where do you want to receive your data

             Select SharePoint Library or List   

 Step 4: Provide SharePoint site address

 Step 5: Select the list which from which you want to receive the data

 Step 6: Select the fields which are needed from the list

 Step 7:  You can store the copy of data in the form of template If needed

Step 8:Give a name for your data connection

Step 9: Select the column which you need in the drop down box

In you SharePoint site! :

Code Snippet to show Objects are reference types

The value of o2 changes dynamically when o1 is changed.

 Run the console project and see the result of object o2:

How to install the IIS 6 Metabase Compatibility components on IIS 7

http://www.activexperts.net/support/activmonitor/online/ii6metabase/

.Net Interoperability

• .Net framework supports interoperability.
• Interoperability is the ability of two systems to communicate with each other, The first system could be built on .Net framework and the other system can be of some other technology.

.Net Interoperability is of two types:

•  Managed code interoperability
•  Unmanaged code interoperability

Manged code interoperability:
 Create a class library in c sharp, which has a method called Hello()

 Call the c sharp class library in VB project.

Application of CSharp timer

We can user timers to periodically to check the server and the system is up and running