R-Phone Book is
an open source project, basically to
manage your contacts online.
Below is the working of R-Phone Book.
My Data Base Table

Image 1.
I copied DB file inside APP_Data folder. To run the
project attach Data Base and go in App_Code folder - > here you will find DataBaseClass.cs,
change connection string here...
This is the default page here you can find your all
contacts. Here you can search your contacts by Name, Mobile, City, Country...

Image 2.
If you type Rahul and click on Search . . .

Image 3.
If you want to add a new contact then on Right Top
click on Add New Contact . . .

Image 4.
If you want to edit any contacts then click on Edit and
Ok

Image 5.
Edit Page. . .

Image 6.
If you want to delete any contacts then click on
Delete. . .

Image 7.