text file to access database file using c#

i have a text file in given format

STONE_FILENAME=C:\Maya\HeliumLexus\final_planing_598.Mmd

STONE_ID=MASTER

STONE_WEIGHT4_CT=6.00000

STONE_WEIGHT2_CT=6.00

SOLUTION_QUANTITY=9

INCLUSION_QUANTITY=42

ROUGH_MODEL_TYPE_INT=0

ROUGH_MODEL_TYPE_STR=Unknown

ROUGH_WEIGHT2_TOTAL_CT=5.99

ROUGH_WEIGHT4_TOTAL_CT=5.9889

DIAMOND_WEIGHT2_TOTAL_CT=3.01

DIAMOND_WEIGHT4_TOTAL_CT=3.0205

DIAMOND_PRICE_TOTAL=27322.69

YIELD_TOTAL_PC=50.25

DIAMOND_QUANTITY=2

SAW_PLANE_QUANTITY=1

PIECE_QUANTITY=2

DIAMOND_PRICE_1=25526.15

DIAMOND_WEIGHT2_1=2.27

DIAMOND_WEIGHT4_1=2.2723

DIAMETER_MM_1=8.432

DIAMETER_MM_MAX_1=8.424

DIAMETER_RATIO_1=0.999

there are upto 1000 lines

i want database in given format

STONE_FILENAME STONE_ID STONE_WEIGHT4_CT

C:\Maya\HeliumLexus\final_planing_598.Mmd MASTER 6.00000

NEEDED HELP.
THANKING IN ADVANCE.