How to increase textbox value by pressing space bar

Question

3.00/5 (3 votes)

See more:

I have a textbox in windows form named "tblAmount".By default it shows 1.I need when I press the space bar then a specific textbox's (named tblAmount) will show the value 2. If I press spacebar again it shows 3. Please help me.
I have written the following code :

private void Incrementbutton_KeyDown(object sender, KeyEventArgs e)
        {
if (e.KeyCode == Keys.Space)
            {
                
            }
}

Posted 5-Feb-14 22:07pm

Sumon562

Updated 7-Feb-14 22:10pm

agent_kruger

v4

Add a Solution

Comments

Prasad Avunoori 6-Feb-14 4:18am

tblAmount.Text = Convert.ToInt(tblAmount.Text)+1;

BillWoodruff 6-Feb-14 5:38am

You want the TextBox integer value to increment when the TextBox has focus and is the active Control ? Your code suggests a Button is getting the Key Event.

2 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)

Winston Madiano · Answer 1 · 2014-02-05T22:18:00

Solution 1

on textbox3 keydown event

set textbox3.text default value to any integer value

C#

if (e.KeyCode == 32) {
    if (string.IsNullOrEmpty(this.TextBox3.Text)) {
        this.TextBox3.Text = 0;
    }
    this.TextBox3.Text = Convert.ToInt32(this.TextBox3.Text) + 1;
}

Posted 5-Feb-14 22:18pm

Winston Madiano

Updated 5-Feb-14 22:25pm

v3

agent_kruger · Answer 2 · 2014-02-07T22:12:00

Solution 2

try this within the bracket as suggested by Mr. Prasad Avunoori

tblAmount.Text = Convert.ToInt(tblAmount.Text)+1;

Posted 7-Feb-14 22:12pm

agent_kruger