How to convert correctly

[Marc Robitaille]

Hello group,

I have a little problem and I don't know how to solve it. I use Textbox to
let my user type the price of their products. The Textbox only accept number
and the decimal separator. When they confirm the price I do a
Convert.ToDecimal to store the value in the database. The problem is when
they enter a really big number in the textbox. The convert function faile.
My questions are:
What is the best thing to do in that kind of situation? Is the Try Catch is
the only way to solve this kind of error? I don't what to use the Try Catch
because it slow down the program.

Thank you very much for your help
Marc R.

 

[Lucas Tam]

What is the best thing to do in that kind of situation? Is the Try
Catch is the only way to solve this kind of error? I don't what to use
the Try Catch because it slow down the program.

I would use a try/catch to catch a conversion error.

 

[Rick Mogstad]

Hello group,

I have a little problem and I don't know how to solve it. I use Textbox to
let my user type the price of their products. The Textbox only accept
number and the decimal separator. When they confirm the price I do a
Convert.ToDecimal to store the value in the database. The problem is when
they enter a really big number in the textbox. The convert function faile.
My questions are:
What is the best thing to do in that kind of situation? Is the Try Catch
is the only way to solve this kind of error? I don't what to use the Try
Catch because it slow down the program.

Thank you very much for your help
Marc R.

It shouldnt slow it down too much if they dont type in unreasonably large
numbers.

use Try/Catch