How to add all the textboxes then convert it to 10% result?

Question

2.00/5 (3 votes)

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Hi can anyone help me if add all the textboxes then convert it to 10%?

here's my textboxes the max input is 20 each of them

What I have tried:

btncalculate

VB

txtQuiz1.text
txtQuiz2.text
txtQuiz3.text
txtQuiz4.text
txtQuiz5.text
txtQuiz6.text
txtResultQuiz.text

Posted 10-Mar-17 16:18pm

Jim Clinton

Updated 10-Mar-17 22:13pm

Richard MacCutchan

v2

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Bryian Tan · Accepted Answer · 2017-03-10T16:43:00

Solution 1

Just add those textbox value and divide by the total (120) ? I misread the question earlier, the OP requested VB.NET instead of C# and 10% of the result

VB

txtResultQuiz.Text = (CDbl(Integer.Parse(txtQuiz1.Text) _
+ Integer.Parse(txtQuiz2.Text) _
+ Integer.Parse(txtQuiz3.Text) _
+ Integer.Parse(txtQuiz4.Text) _
+ Integer.Parse(txtQuiz5.Text) _
+ Integer.Parse(txtQuiz6.Text)) * 0.1).ToString()

C#

txtResultQuiz.Text = ((double) (int.Parse(txtQuiz1.Text) + int.Parse(txtQuiz2.Text) + int.Parse(txtQuiz3.Text) + int.Parse(txtQuiz4.Text) + int.Parse(txtQuiz5.Text) + int.Parse(txtQuiz6.Text)) / 120).ToString("0.00%");

Posted 10-Mar-17 16:43pm

Bryian Tan

Updated 10-Mar-17 17:38pm

v2

Comments

Karthik_Mahalingam 10-Mar-17 22:55pm

Hi Bryian,
the op has tagged VB.Net :) , translated your code to vb

txtResultQuiz.Text = (CType((Integer.Parse(txtQuiz1.Text)  _
            + (Integer.Parse(txtQuiz2.Text)  _
            + (Integer.Parse(txtQuiz3.Text)  _
            + (Integer.Parse(txtQuiz4.Text)  _
            + (Integer.Parse(txtQuiz5.Text) + Integer.Parse(txtQuiz6.Text)))))),Double) / 120).ToString("0.00%")

Bryian Tan 10-Mar-17 23:01pm

Karthik, thanks, didn't pay attention :)

Karthik_Mahalingam 10-Mar-17 23:03pm

Welcome :)

Jim Clinton 10-Mar-17 23:18pm

is that for btncalculate button?

txtResultQuiz.Text = (CType((Integer.Parse(txtQuiz1.Text) _
+ (Integer.Parse(txtQuiz2.Text) _
+ (Integer.Parse(txtQuiz3.Text) _
+ (Integer.Parse(txtQuiz4.Text) _
+ (Integer.Parse(txtQuiz5.Text) + Integer.Parse(txtQuiz6.Text)))))),Double) / 120).ToString("0.00%")

Bryian Tan 10-Mar-17 23:21pm

yes.

Jim Clinton 10-Mar-17 23:21pm

I mean if 120 = 10% result

Bryian Tan 10-Mar-17 23:29pm

I guess you just want 10% of the total result? if each textbox has 10 then 10*6 = 60, 10% = 6?

txtResultQuiz.Text = (CType((Integer.Parse(txtQuiz1.Text) _
            + (Integer.Parse(txtQuiz2.Text) _
            + (Integer.Parse(txtQuiz3.Text) _
            + (Integer.Parse(txtQuiz4.Text) _
            + (Integer.Parse(txtQuiz5.Text) + Integer.Parse(txtQuiz6.Text)))))), Double) * 0.1).ToString()

Jim Clinton 10-Mar-17 23:41pm

yeah.. it works thanks

Jim Clinton 11-Mar-17 21:04pm

can i add the empty textbox?

Bryian Tan 11-Mar-17 22:50pm

You can use integer.TryParse method, but this should work

txtResultQuiz.Text = (CDbl(Integer.Parse(If(String.IsNullOrEmpty(txtQuiz1.Text), 0, txtQuiz1.Text)) _
+ Integer.Parse(If(String.IsNullOrEmpty(txtQuiz2.Text), 0, txtQuiz2.Text)) _
+ Integer.Parse(If(String.IsNullOrEmpty(txtQuiz3.Text), 0, txtQuiz3.Text)) _
+ Integer.Parse(If(String.IsNullOrEmpty(txtQuiz4.Text), 0, txtQuiz4.Text)) _
+ Integer.Parse(If(String.IsNullOrEmpty(txtQuiz5.Text), 0, txtQuiz5.Text)) _
+ Integer.Parse(If(String.IsNullOrEmpty(txtQuiz6.Text), 0, txtQuiz6.Text))) * 0.1).ToString()

Jim Clinton 17-Mar-17 6:48am

How to calcute if

quiz1= 12
quiz2 = 12
quiz3 = 12
quiz4 = 100% with percent sign
quiz5 =12

Bryian Tan 17-Mar-17 12:40pm

Your requirement is keep on changing !
In this scenario, you need to write code to check if txtQuiz4.Text.Contains("%"), if yes, replace it with blank txtQuiz4.Text.Replace("%","") and then convert it into decimal/100 * the Maximum point for quiz4