DataSource Controls :: How To Write Stored Procedure For Logic

i have the table with the following fields:

FromGrams
ToGrams
Price
CountryID

suppose consider the table have the value as follows:

FromGrams=10
ToGrams=100
Price=0.25
CountryID=221

if suppose user adding new range that have the value like follows:

FromGrams=50
ToGrams=120
Price=0.95
CountryID=221

then the result table will like this

FromGrams ToGrams Price CountryID

10 50 0.25 221

51 120 0.95 221

like that all conditions have to satisfy

1
0.00
1.00
0.00
13.00
0.99
US First Class
224
True

2
0.00
1.00
0.00
13.00
6.00
US Priority
224
True

3
0.00
1.00
0.00
13.00
1.99
Canada First Class
39
True

4
1.01
2.00
13.01
41.00
1.60
US First Class
224
True

5
1.01
2.00
13.01
41.00
6.00
US Priority
224
True

6
1.01
2.00
13.01
41.00
2.60
Canada First Class
39
True

7
2.01
3.00
41.01
69.00
2.20
US First Class
224
True

8
2.01
3.00
41.01
69.00
6.00
US Priority
224
True