It is difficult for users to find their required records in a huge amount of data, so adding the filter data functionalities is very useful.
The standard DataGrid of ASP.NET doesn't include this functionality, developers need to implement it by themselves.
- Figure: Bad Example - implement data filter manually
Fortunately, RadGrid supplies this perfect feature.
- Figure: Good Example - add an attribute to filter data
Developer can turn this feature on by setting the AllowFilteringByColumn="True".