query

i am having a database and in windows form i am having 2 textbox .in that textbox i will enter 2 numbers in textboxes.Then i have to retrieve data from databases related to that numbersand i have to sum up the values

my database will be like this

no    name      year

1      nan           23

2       nad          34

3       mam         32

4       rgh            24

5        hui            21

if i give 2 to 4 in textboxes

2       nad        34

3       mam       32

4        rgh         24