Hi Rohit,
Create Parameters with values or column names and then suppress the column and data accordingly.....
e.g.
CustID Fname Lname
Create Parameters which will ask the user which columns they want to see......Depending on their selection suppress the column name and data .
i.e right click the column name then format text then in common tab click x+2 against suppress and enter the code as below
{?Select Column Names}='1' 1 represents CustID column..... i.e. parameter value
repeat the same process for fields format field
Cheers
Rahul