You're barking up the wrong tree here, Lucky.
The String Object does not implement IFormattable, because an instance of
System.String is already a string. Therefore, you can not use String.Format
to format a string. The String.Format method replaces the "format item(s)"
represented by the substring(s) having curly brackets in the string, with
Formatted text representations of the objects that are in the parameter or
parameters (depending on the overload you use) following the string
parameter. There is one overload that takes an IFormatProvider as the first
argument, enabling you to create a custom IFormatter class to use as the
Formatter for the object(s) represented by the parameter(s) following the
string parameter.
It is a way of creating a string that contains data that is not of the
string type, without having to do a lot of formatting and concatenation to
do it. For example, let's say that you have a DateTime variable, and you
want to put the DateTime variable into a user-friendly string message in a
label on a Form. You could do something like the following:
DateTime d = DateTime.Now;
string s = "Today's date is ";
s += d.ToString("dd/MM/yyyy");
Using the static String.Format method, you can simply use:
string s = String.Format("Today's date is {0:dd/MM/yyyy}, DateTime.Now);
In other words, if you're really doing this to understand System.String, the
only thing you will learn about System.String from this is how the
String.Format method works, *not* how to use the String.Format method to
create a string containing a series of identical characters.
For more information, see:
http://msdn2.microsoft.com/en-us/library/fbxft59x.aspx http://msdn2.microsoft.com/en-us/library/26etazsy.aspx http://msdn2.microsoft.com/en-us/lib...em.string.aspx
--
HTH,
Kevin Spencer
Microsoft MVP
Ministry of Software Development
http://unclechutney.blogspot.com
Never trust a dunderhead with a blunderbuss.
"Lucky" <tu************@gmail.comwrote in message
news:11**********************@j72g2000cwa.googlegr oups.com...
hi guys!
back again with another query.
the problem is like this.
i want to print a line like this:
"---------------------------------------------"
the easiest way is to simply assign it to string and print it.
but i want to use the String.Format() method if possible to do it.
All i came to know about this method is, you can use
String.Format("{argumentIndex[,alignment][:formatString]}",argumentIndex)
do specify paddin and some format. but i dont get it how to provide the
formatstring. i guess it is for formating the argument if i'm not
wrong.
so guys, i need your help here.
i want to do something like this
String.Format("{0,40}","-")
this way it should return me the string filled with 40 dashes.
if there is any better way to do it, please let me know.
i'm trying to learn something about String object. Please help me.
Thanks,
Lucky
