how to convert an integer type data to string type data in vbnet

1:04

3:18

5:27

1:58

5:27

9:30

3:24

2:30

3:23

5:55

4:37

22:35

7:46

7:54

7:23

4:13

4:13

4:38

5:11

6:45

4:14

7:09

6:38

3:37

6:03

7:23

9:15

17:55

7:04

5:27

5:46

5:30

7:02

8:01

3:37

8:41

15:50

15:06

9:42

9:18