C# Count decimal places without considering the trailing zeros [closed] - c#

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For a given decimal with precision of 8 like 0.00010000, I would like to get the decimal places without the trailing zeros.
All methods that I tested returned 8, and in this case should be 4.


You can use string value=decimalValue.ToString("0.########") this will convert the value into a string and show up to 8 decimal places, without trailing zeros. Eg. 1.05000000 - > 1.05, 1.00000001->1.00000001. Then value.Split('.').ToList().ElementAt(1).Length


string output = Regex.Replace("0.00010000", #"[0]*$", "");


decimal someDecimal = 0.00010000000m;
Console.WriteLine(someDecimal.ToString().TrimEnd('0'));

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Left-pad a floating point number without losing trailing zeros after decimal point [closed]

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I am attempting to write out to a fixed format text file and am having some trouble formatting the numbers properly. It needs to be padded with leading zeros and an implied decimal.
Example:
43.80
The output would need to be:
0000004380
So far, I have attempted to convert the double to a string, replace the decimal, and then pad with "0".
((amount.ToString()).Replace(".","")).PadLeft(10, '0')
The problem with this is when the number ends with zeros. The above example comes out as:
0000000438
Any suggestions?

decimal value = 34.80M;
int intVal = (int)(value * 100);
return intVal.ToString("0000000000");

You could try:
((string.Format("{0:0.00}", amount)).Replace(".","")).PadLeft(10, '0')
That way you don't lose the 2nd decimal place when the value is 0.

You can pass a .ToString() format string in as described in this article:
https://msdn.microsoft.com/en-us/library/dwhawy9k(v=vs.110).aspx
Does the incoming value always have two decimal places? If so, you could multiply by 100 to get rid of the decimal, and then to .ToString("D10")
(Int)(43.80 * 100).ToString("D10")

This should do the job : $"{(int)(amount * 100):D010}"

Trim empty spaces in int array [closed]

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I need to trim the trailing spaces at the start and end in this int array and how can I do it, also I am not getting Trim() function anywhere here. Pls suggest me.
int[] arrPCT = dtOld.AsEnumerable().Select(r => r.Field<int>("PCT")).ToArray();

int are numeric values. They don't contain spaces (or any other char). It makes no sense trying to trim them.

int[] arrPCT = dtOld.AsEnumerable().Select(r => r.Field<int>("PCT").Trim()).ToArray();
If r.Field("PCT") value is of string type.

Comma-Separated String to Double C# [closed]

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I want convert 1,2,3,4,5,6,7,8,9,10 String to Double.
I tried Convert.ToDouble(String); and Double.Parse(String); but returned 1.0
How to convert multi comma string to double?
Thanks for help.

From the looks of your question you actually have 10 numbers not 1. Use this code:
var nums = "1,2,3,4,5,6,7,8,9,10";
var digits = nums.Split(',').Select(r => Convert.ToDouble(r)).ToArray();
// the result will be an array of doubles, also this only works with .NET 3.5 or better.
Let me know if this works for you.

Create a 6 digit sequence number in c# [closed]

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How do i create a six digit sequence number in c# ?
Is there any other way than storing a string in the database like "000000" and later on incrementing it through the last inserted value ?

Use a plain old number as a sequence, this is what your DB will provide. If you want to display it with six digits, just call: yourNumber.ToString("D6")
(see docs)

C# Convert To Decimal String Value like 0.33 [closed]

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How to convert this string to decimal 0.55 exactly.
Decimal.parse("0,55")
I need to get exact value excluding leading zeroes.

This should fix your problem (if I understand the problem, that is):
var number = decimal.Parse("0,55".Replace(',', '.'), CultureInfo.InvariantCulture);
EDIT
Not every culture uses the point (.) symbol as the decimal separator. If you don't specify a format provider, the framework defaults to the current culture. I'm guessing that in this particular case, the decimal.Parse() method was interpreting "0,55" as decimal 55.0.

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