on my computer there where no problems -on the web i getting lots of formatting problems

hallo i am a beginner.

i uploaded my first web site to the web,

1.on my computer there where no problems - no bugs, now on the web i getting

lots of formatting problems (?)

2. i cant see what is the formatting problem in this one

[InvalidCastException: Conversion from string "AM" to type 'Double' is not valid.]

Return TimeSerial(Left(TimeBig, 2) - Left(TimeSmall, 2), Right(TimeBig, 2) - Right(TimeSmall, 2), 0).ToLongTimeString

-TimeBig and TimeSmall geting a string like ("11:00")

--- now on the same page i got ihis code as well with no problems

Return TimeSerial(Left(txtTimeExit.Text, 2) - Left(txtTimeIn.Text, 2), Right(txtTimeExit.Text, 2) - Right(txtTimeIn.Text, 2), 0).ToLongTimeString

please try to answer

thank you

When you say formatting problem, do you mean layout format, dataType format, or FormatString problem?

What software did you build your application with?
Give the specific code that cause the formatting problem.