LeftA DataWindow expression function
Description
Obtains a specified number of bytes from the beginning of
a string.
Syntax
|
1 |
<span>LeftA</span> ( <span>string</span>, <span>n</span> ) |
|
Argument |
Description |
|---|---|
|
string |
The string containing the characters |
|
n |
A long specifying the number of bytes |
Return Values
String. Returns the characters in the leftmost n bytes
in string if it succeeds and the empty string
(“”) if an error occurs.
If n is greater than or equal to the
length of the string, LeftA returns the entire string.
It does not add spaces to make the return value’s length
equal to n.
Usage
LeftA replaces the functionality that Left had
in DBCS environments in PowerBuilder 9. In SBCS environments, Left and LeftA return
the same results.
See Also
Document get from Powerbuilder help
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