VB.NET Language in a Nutshell
| IsNumeric Function |
Class
Microsoft.VisualBasic.Information
Syntax
IsNumeric( expression )
- expression (required; any expression)
Return Value
Boolean
Description
Determines whether expression can be evaluated as a number
Rules at a Glance
If the expression passed to IsNumeric evaluates to a number, True is returned; otherwise , IsNumeric returns False .
Programming Tips and Gotchas
If expression is a date or time, IsNumeric evaluates to False .