Convert Formatted Double Into String

  • Thread starter Thread starter Derek Hart
  • Start date Start date
D

Derek Hart

I have a double stored in a DataTable: dt.Rows(i)(MergeFieldName)



I want to format this and store it into a string.



I have formatting stored in a database, such as "$#,##0.00"



How do I use this formatting, apply it to dt.Rows(i)(MergeFieldName), which
is a double, and then store it in a string?



So if the value of dt.Rows(i)(MergeFieldName) is 14,122.05. I would get
$14,122.05.



Derek
 
Derek Hart said:
I have a double stored in a DataTable: dt.Rows(i)(MergeFieldName)



I want to format this and store it into a string.



I have formatting stored in a database, such as "$#,##0.00"



How do I use this formatting, apply it to
dt.Rows(i)(MergeFieldName), which is a double, and then store it in
a string?



So if the value of dt.Rows(i)(MergeFieldName) is 14,122.05. I would
get $14,122.05.
Click to expand...


What's the format of the format? :) I guess it's one of these:
http://msdn.microsoft.com/en-us/library/427bttx3.aspx

Example:
dim fmt as string = "$#,##0.00"
dim s as string

s = directcast(dt.Rows(i)(MergeFieldName), double).ToString(fmt)


Armin
 
As long as the type you're trying to format is a numeric data type the
formatting will work just fine. However, if you're trying to take a string
type that contains numeric data you will need to parse it to the appropriate
type before you can format it.

Example A:
Dim s As String = "1234.44"
s.ToString("$#,##0.00")

Will not work.

Example B:
Dim d As Double = Double.Parse("1234.44")
d.ToString("$#,##0.00")

Will work properly.
 
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