How to split numeric and decimal parts in ReportViewer

‘Int’ Function returns the integer protion of a number.

For integer part:
=Int(3.14159)  -> This gives the number 3

or you can use with that value comes from DataSource
=Int(Fields!TheDataSourceField.Value)


For decimal part:
=3.14159 - Int(3.14159)  -> This gives a value close to 0.14159

or you can use with that value comes from DataSource
=Fields!TheDataSourceField.Value - Int(Fields!TheDataSourceField.Value)