C# Format textbox Integer with comma and using Double

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Hi, can someone help me with textbox? i got textbox1 and i only input numbers, i wanted to format it to numbers after Text_Leave Event:

For Example :
I input 122333

Output must be:
122,333.00

here's my code in text_leave

string a;
           double bb = double.Parse(textBox1.Text);

  a = Double.ToString("#,0.##");

The output in textbox.Text became #,0.##

Please help Thanks!

Posted 10-Nov-15 22:05pm

Rencyrence

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3 solutions

Solution 1

Try:

C#

string a;
double bb;
if (!double.TryParse(textBox1.Text, out bb))
   {
   // Report a problem to the user.
   ...
   }
else
   {
   a = bb.ToString("#,000.00");
   ...

Posted 10-Nov-15 22:19pm

OriginalGriff

Solution 3

Try string.Format("{0:n0}", bb);.

Posted 10-Nov-15 22:30pm

Abhinav S

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George Jonsson · Accepted Answer · 2015-11-10T22:20:00

Solution 2

I think you will find the help you need reading the info on MSDN: Custom Numeric Format Strings[^]

It also depends on the localization setting you have on your computer.

Posted 10-Nov-15 22:20pm

George Jonsson

Comments

Rencyrence 11-Nov-15 20:00pm

It helps a lot, thanks :)

George Jonsson 11-Nov-15 20:25pm

You are welcome