c# - convert to double cutting off zeroes -


i have array contains product names , prices such thingy25.00 when run line of code below 25 , zeroes gone. need keep 2 decimal point after period 25.00. 

    price[i] = convert.todouble(product[i].substring(7, 4));

it once format output this:

var s = price[i].tostring("#,##0.00");

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