I am trying to parse or convert a string to decimal in C#.
I need to be able to parse strings like,
$123,345,676.8999 to its equivalent 123345676.90.
I need to have only 2 places after the decimal point and that needs to be suitably rounded.
Can you guys please suggest a way to do the above? Basically, any string in the form of currency (with $,pound symbol etc). I should be able to parse it and convert it to decimal.
Try this:
var val = double.Parse("$123,345,676.8999", NumberStyles.AllowThousands | NumberStyles.AllowDecimalPoint | NumberStyles.AllowCurrencySymbol);
val = Math.Round(val, 2);
You can use decimal.TryParse to perform the parsing -- the link has some samples on how the parsing works.
Very simple answer: use Decimal.Parse()
Related
How to convert double to string without the power to 10 representation (E-05)
double value = 0.000099999999833333343;
string text = value.ToString();
Console.WriteLine(text); // 9,99999998333333E-05
I'd like the string text to be 0.000099999999833333343 (or nearly that, I'm not doing rocket science:)
I've tried the following variants
Console.WriteLine(value.ToString()); // 9,99999998333333E-05
Console.WriteLine(value.ToString("R20")); // 9,9999999833333343E-05
Console.WriteLine(value.ToString("N20")); // 0,00009999999983333330
Console.WriteLine(String.Format("{0:F20}", value)); // 0,00009999999983333330
Doing tostring N20 or format F20 seems closest to what I want, but I do end up with a lot of trailing zeros, is there a clever way to avoid this? I'd like to get as close to the double representation as possible 0.000099999999833333343
Use String.Format() with the format specifier. I think you want {0:F20} or so.
string formatted = String.Format("{0:F20}", value);
How about
Convert.ToDecimal(doubleValue).ToString()
You don't need string.Format(). Just put the right format string in the existing .ToString() method. Something like "N" should do.
Use string.Format with an appropriate format specifier.
This blog post has a lot of examples: http://blogs.msdn.com/kathykam/archive/2006/03/29/564426.aspx
I can't format decimal in custom formatted string
0.656 => 0.67;
23.656 => 23.67;
5105.54 => 5 105.54;
1234567,89 => 1 234 567,89
I found several posts:
c# - Using String Format to show decimal upto 2 places or simple integer
c# - Converting Decimal to string with non-default format
but when try to use them getting several problem
for example:
on value
0.656 i'm getting ".656" or ".66"
23.656 => " 23.656" or " 23.66"
Car someone recommend links where I can find formatstring rules?
I don't think you actually want to convert 0.656 to 0.67, cause it is just wrong. I guess you mean it should display as 0.66
Use
YourNumber.ToString("0.##");
If you really want to have spaces (which again i think it is wrong):
YourNumber.ToString("#,##0.##").Replace("."," ")
Give this a good read:
Custom Numeric Format Strings
You can use String.Format or ToString() overloades to achieve your goal.
If you want to format a number as a currency value, use this
var d = 0.656;
Console.WriteLine("{0:C}", d); // prints "€ 0,66", in my case
Make sure your localization settings give you the correct currency symbol and decimal character, I.E. a point or a comma.
I am trying to format a double in C# such that it uses the thousand separator, and adds digits upto 4 decimal places.
This is straight forward except that I dont want to have the decimal point if it is an integer. Is there a way to do this using the custom numeric format strings rather than an if statement of tenary operator?
Currently I have:
string output = dbl.ToString(dbl == (int)dbl ? "#,##0" : "#,##0.####");
Thanks
I believe your second format string of "#,##0.##" should be exactly what you want -- the # format character is a placeholder that will NOT display zeros.
If you had "#,###.00" then you would get trailing zeros.
test code:
double d = 45.00;
Console.Writeline(d.ToString("#,##0.##"));
Gives output of "45". Setting d to 45.45 gives output "45.45", which sounds like what you're after.
So you had the answer after all! ;)
Incidentally, there's a handy cheat-sheet for format strings (amongst other handy cheat-sheets) at http://john-sheehan.com/blog/net-cheat-sheets/
No, there is not any built-in format string for this. Your current solution is the best way to accomplish this.
MSDN lists both the standard numeric format strings and custom numeric format strings, so you should be able to see for yourself that none directly matches your needs.
How to convert double to string without the power to 10 representation (E-05)
double value = 0.000099999999833333343;
string text = value.ToString();
Console.WriteLine(text); // 9,99999998333333E-05
I'd like the string text to be 0.000099999999833333343 (or nearly that, I'm not doing rocket science:)
I've tried the following variants
Console.WriteLine(value.ToString()); // 9,99999998333333E-05
Console.WriteLine(value.ToString("R20")); // 9,9999999833333343E-05
Console.WriteLine(value.ToString("N20")); // 0,00009999999983333330
Console.WriteLine(String.Format("{0:F20}", value)); // 0,00009999999983333330
Doing tostring N20 or format F20 seems closest to what I want, but I do end up with a lot of trailing zeros, is there a clever way to avoid this? I'd like to get as close to the double representation as possible 0.000099999999833333343
Use String.Format() with the format specifier. I think you want {0:F20} or so.
string formatted = String.Format("{0:F20}", value);
How about
Convert.ToDecimal(doubleValue).ToString()
You don't need string.Format(). Just put the right format string in the existing .ToString() method. Something like "N" should do.
Use string.Format with an appropriate format specifier.
This blog post has a lot of examples: http://blogs.msdn.com/kathykam/archive/2006/03/29/564426.aspx
After I convert a decimal value salePr to string, using following code:
decimal salePr;
string salePrStr;
...
salePrStr = (salePr).ToString("0000.00");
'''
I'd like to get rid of leading zeros (in case result is <1000).
What is right and the best way to do this operation?
So why have you explicitly included them? Just use a format string of 0.00.
You could use trimstart to remove the leading zeros.
salePrStr = (salePr).ToString("0000.00").TrimStart(Convert.ToChar("0"));
It looks like you are trying to display currency, if you want to display it as currency, try salePrStr = String.Format("{0:C}", salePr) otherwise use the format 0.00
salePrStr = (salePr).ToString("###0.00");
The other answers are probably what you're looking for. If, for some reason, however, you actually want to keep the original strings (with leading zeroes), you can then write:
string salePrStr = salePr.ToString("0000.00");
string salePrStrShort = salePrStr.TrimStart('0');
Give this a try:
salePrStr = (salePr).ToString("N2");
That would make 1000.10 show as
1,000.10
and make 45.2305 show as
45.23
Just testing it in c#