Converting from string to character
Q:
When i convert from string
to character
through the following line of code.
grp.EntireClass = char.Parse(record[3]);
I get the following value:: 49'1'
Firstly why the ascii appear as a part of the value?
Secondly how to 开发者_开发问答get only the
'1'
part?
I suspect you don't actually get "49'1'" - that's probably just how the debugger's showing it.
A simpler way though is:
string text = record[3]; // I assume...
grp.EntireClass = text[0]; // Gets the first character of text
This is equivalent to:
grp.EntireClass = record[3][0];
I split it out in the first version just for clarity.
You may well want to check that text is not:
- Null
- Empty
- More than one character
In the first two cases the above code will throw an exception; in the third case it would just ignore everything after the first character.
What is the type of record and record[3] ? If record is a string, why call Parse at all - you can just read record[3] and it would be a char. If record[3] itself is a string, use record[3][0] (for example).
精彩评论