How to Read&Write file for sort the string names in file

Question

How to read and write the file for sorting the string names in source file and want to write it on target file in C# using Windows Form Application ?

            * The Source file(*.txt) was already created and it contains

                           

Hockey

BAsketball

Football

Tennis

Cricket

          * I want to read a source file using streamwriter and also sort the strings in alphabetically

          * That sorted string values write on the another target file(*.txt) using streamwriter

plz help this.....

Thanks !!