Well, they can if your i Pad software is up-to-date and running i OS 7 or later.
If it doesn't work, disconnect and reconnect to your Wi-Fi router or turn your router off and on again.
Another option for advanced users is to install i OS 8.4.1 manually using IPSW.
NET data binding model underwent a significant refresh with version 2.0, mostly due to the introduction of data source controls and data binding expressions. NET with a declarative model for data fetching and data manipulation.
Data source components force layering and promote a neater separation between presentation and data access, even in relatively simple projects.
Alternately, you can check your i Tunes purchase history to see if the account you are using was used to purchase an app.