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Rounding to the next whole number (E.g. 1.0124 becomes 2)

Posted on 2007-07-29
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Last Modified: 2013-11-27
Hello Team,

I have got a special rounding to do and after many search performed in EE, i could not come across a solution.  Can you please help me with the problem below;

After a calculation has been performed in my coding part, the result are displayed in a testbox.  I DO NOT want the decimals to appear, all i need is that the result is rounded to the next whole number.  The moment the value is over .0 something, it should be rounded to the next whole number.  Please see example below;

Result being displayed   ---->   What i want to get
       8.9 -------------------------------> 9
       8.1 -------------------------------> 9
       8.487 ----------------------------> 9
       8.091 ----------------------------> 9
       1.254 ----------------------------> 2
       1.014 ----------------------------> 2
       1.9745 ---------------------------> 2
       0.0021 ---------------------------> 1

Looking ahead to hear your solutions team,

Thanks a lot for your help,
Kind regards.
Salim
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Question by:salimdeath
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LVL 33

Expert Comment

by:hongjun
ID: 19587944
Try this.
You can just customize it and then put it in your own code.

            double d;

            d = 8.0;
            Console.WriteLine(Math.Ceiling(d).ToString("0")); // 8
            d = 8.2;
            Console.WriteLine(Math.Ceiling(d).ToString("0")); // 9
            d = 8.9;
            Console.WriteLine(Math.Ceiling(d).ToString("0")); // 9


hongjun
0
 

Author Comment

by:salimdeath
ID: 19587971
Hi Hongjun,

Thanks for replying.  

I tried what you proposed, error displayed is "Expression Does not produce a Value".  Here's my lines of codes that is displaying the decimals;

DataGridView1.Rows(0).Cells("QtyReq").Value = (Convert.ToInt32(TxtQtyOrder.Text) * Convert.ToInt32(TxtConeMeterage.Text)) / Convert.ToInt32(DVDGridYarnUse(0)("Meterage"))

Any other possible solutions ?

Thanks again for helping.
0
 
LVL 33

Expert Comment

by:hongjun
ID: 19587988
try this

DataGridView1.Rows(0).Cells("QtyReq").Value = Math.Ceiling((Convert.ToInt32(TxtQtyOrder.Text) * Convert.ToInt32(TxtConeMeterage.Text)) / Convert.ToInt32(DVDGridYarnUse(0)("Meterage"))).ToString("0")
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LVL 33

Accepted Solution

by:
hongjun earned 1000 total points
ID: 19587994
I suggest you use ToDouble to avoid rounding errors.

DataGridView1.Rows(0).Cells("QtyReq").Value =
Math.Ceiling((Convert.ToDouble(TxtQtyOrder.Text) * Convert.ToDouble(TxtConeMeterage.Text)) / Convert.ToDouble(DVDGridYarnUse(0)("Meterage"))).ToString("0")
0
 

Author Comment

by:salimdeath
ID: 19588291
Hi Hongjun,

Wow....... this one works like a charm !!! THANKS SO MUCH.
Beside of helping me with an appropriate solution, your response was very quick.  I appreciate a lot.

Thanks again dude, you deserve the points.
Cheers.
Salim

PS: I got another issue on Date Calculation and Time Calculation.  I hope you'll be around when i post it soon.  Am not posting it now, cause i want to make sure that i searched everywhere.

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LVL 33

Expert Comment

by:hongjun
ID: 19588296
:)
0

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