How to add two textbox values and displaying in another textbox on submit button click

Question

0.00/5 (No votes)

See more:

Dear Frnds,

I have Three Textboxes and Submit button on my webpage as....

TxtFirstNumber
TxtSecondNumber
TxtAnswer

BtnSubmit

Adding two textboxes values and displaying in another textbox on submit button click
-------------------------------------------------------------------------------------

When I enter 10 in firstTextbox and another 10 in second Textbox the answer should be displayed in another textbox as 20.

Please can you help me.

Thanks.

Posted 24-Sep-13 7:33am

Software Engineer 892

Add a Solution

Comments

[no name] 24-Sep-13 13:37pm

Help you with what? You would have to ask a question or describe some sort of a problem before you can expect to get any help. What have you tried?

5 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)

vipul19189 · Answer 1 · 2013-10-04T03:00:00

Solution 2

Try This One :

TxtAnswer.Text = (Convert.ToDecimal(TxtFirstNumber.Text) + Convert.ToDecimal(TxtSecondNumber.Text)).ToString();

Posted 4-Oct-13 3:00am

vipul19189

Ainy Mughal · Answer 2 · 2013-10-06T19:47:00

Solution 5

int firstNum = Convert.ToInt32(TxtFirstNumber.Text);
int secondNum = Convert.ToInt32(TxtSecondNumber.Text);
TxtAnswer.Text = firstNum + SecondNum;

Posted 6-Oct-13 19:47pm

Ainy Mughal

Comments

Diana Tsax 7-Oct-13 7:51am

int firstNum = Convert.ToInt32(TxtFirstNumber.Text);
int secondNum = Convert.ToInt32(TxtSecondNumber.Text);
TxtAnswer.Text = (firstNum + SecondNum).ToString();
Convert it to string!!!!!!!!!!!!!!!!!!!!!!

MCY · Answer 3 · 2013-09-24T07:39:00

Solution 1

C#

var result = Convert.ToDouble(txtFirstNumber.Text) + Convert.ToDouble(txtSecondNumber.Text);
txtAnswer.text = result.ToString();

Of course it is up to you to do any error handling, since text boxes accept alphanumeric characters as well as numeric ones.

Posted 24-Sep-13 7:39am

MCY

Comments

Abhinav Gauniyal 24-Sep-13 14:31pm

i too think he was facing the problem of conversion of String type to some numeric +1

NagarajDJ · Answer 4 · 2013-10-04T20:23:00

Solution 3

try this :

use javascript in client side for not allowing them to use alphabets in those textboxes

TxtAnswer.Text = Convert.ToString(Convert.ToDouble(TxtFirstNumber.Text)+
Convert.ToDouble(TxtSecondNumber.Text));

Posted 4-Oct-13 20:23pm

NagarajDJ

Updated 4-Oct-13 20:25pm

v2

Bharat Technologies · Answer 5 · 2013-10-04T22:15:00

Solution 4

after btn click

txt3.text=Convert.ToString((Convert.ToDecimal(txt1.text)+Convert.ToDecimal(Txt2.text)))

or u can also used a variable to put the text.box data and then apply the above step

Posted 4-Oct-13 22:15pm

Bharat Technologies