calculating the average percentage but getting the decimal points are more than 2 digits,

Question

3.00/5 (1 vote)

See more:

This is my code :

C#

protected void txtPresent_TextChanged(object sender, EventArgs e)
   {
       decimal conclass, pres, abs;
       decimal avg;
       conclass = Convert.ToDecimal(txtCondClass.Text.Trim());
       pres = Convert.ToDecimal(txtPresent.Text.Trim());
       abs = conclass - pres;
       txtAbs.Text = abs.ToString();
       avg = pres * 100 / conclass;
       txtAvg.Text = avg.ToString();
   }

======OUTPUT ======
Getting like this
Total = 45
Present = 29
Absent = 16
Average = 64.444444444444444444444444444

Posted 9-Oct-12 0:25am

Shiva from Bangalore, Karnataka

Updated 9-Oct-12 0:28am

v2

Add a Solution

3 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

vasim sajad · Accepted Answer · 2012-10-09T00:36:00

Solution 1

use math.round function

txtAvg.Text = Math.Round(avg.ToString(), 2);

Average = 64.44

Posted 9-Oct-12 0:36am

vasim sajad

Varun Sareen · Accepted Answer · 2012-10-09T00:39:00

Solution 2

Dear Friend,

do

Math.Round([Value],2)

for e.g. in your case:-

avg = Math.Round((pres * 100 / conclass),2);

Regards

Varun Sareen

Posted 9-Oct-12 0:39am

Varun Sareen

CPallini · Accepted Answer · 2012-10-09T00:51:00

Solution 3

If you need to represent only two decimal places then use:

C#

txtAvg.Text = avg.ToString("0.00");

Posted 9-Oct-12 0:51am

CPallini

v2