Convert string to double, [duplicate]

Question

I have a string array which contains 4 elements. Which looks like this.

How ever, when trying to do this:

Vector newVector = new Vector(
(float)Convert.ToDouble(words[1]),
(float)Convert.ToDouble(words[2]));

I get the following error:

'Input string was not in a correct format.'

And that is because it's because the value uses a '.' but if I manually change the array to use a ',' it works. How can I easiest replace all '.' with ','.

Use String.Replace or other regional setings where decimal separtor is .. — BWA
– BWA, Commented May 8, 2017 at 11:47
Array.ConvertAll(words.Split(','), Double.Parse); This will convert your string array to a double array. In fact I got this from another Stack Overflow[1] question. I hope this solves your problem. [1]: stackoverflow.com/questions/9524682/… — Parth Sane
– Parth Sane, Commented May 8, 2017 at 11:52

Henk Holterman · Accepted Answer · 2017-05-08 11:55:11Z

3

Use

//(float)Convert.ToDouble(words[1]),
  (float)Convert.ToDouble(words[1], CultureInfo.InvariantCulture),

edited May 8, 2017 at 11:55

answered May 8, 2017 at 11:47

Henk Holterman

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Mike Gledhill · Accepted Answer · 2017-05-08 11:49:35Z

2

Try this...

Vector newVector = new Vector(
(float)Convert.ToDouble(words[1], CultureInfo.GetCultureInfo("en-US").NumberFormat),
(float)Convert.ToDouble(words[2], CultureInfo.GetCultureInfo("en-US").NumberFormat));

answered May 8, 2017 at 11:49

Mike Gledhill

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