How to read datagridview cell form datagridview for calculate total amount for bill form in c#.net

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How to read count all datagridview cell form datagridview for calculate total amount for bill form in c#.net

How we can solve this problem

What I have tried:

C#

for(int i=0;i<dgvbilling.Rows.Count;i++)
{
total=total+Convert.ToDouble(dgvbilling.Rows[i].Cells["amount"].Value.ToString());
}

Posted 24-Mar-17 19:52pm

Member 13083135

Updated 24-Mar-17 23:51pm

Garth J Lancaster

v2

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Karthik_Mahalingam 25-Mar-17 2:01am

what is the issue ?

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Richard MacCutchan · Answer 1 · 2017-03-24T23:51:00

Do not use the double or float types for financial applications, you will lose precision and anger your customers.

Also do not use Convert to convert strings to numbers, since you will not handle invalid data. Use <type>.TryParse.

And do not write all your code in a single line like that. You cannot see where any errors occur.

And why are you converting a value to a string just so you can convert it back to a value?