Best way to create a "vlookup" function in visual basic

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VB

Hi,

In excel, I have a table of values like this:

T A B C
2 202.72 162.18 243.26
5 259.26 207.41 311.11
10 290.68 232.21 348.82
20 317.74 254.19 382.29
50 349.54 279.63 419.45
100 365.62 292.5 434.75

I then use the vlookup function to get the right value for a given T and A/B/C..

What would be the best way to have the same functionality in visual basic?

PS: The values in the table are not to change, ever.