Checking if an object is a number in C#

Question

I\'d like to check if an object is a number so that .ToString() would result in a string containing digits and +,-,.

Answer 1

Rather than rolling your own, the most reliable way to tell if an in-built type is numeric is probably to reference Microsoft.VisualBasic and call Information.IsNumeric(object value). The implementation handles a number of subtle cases such as char[] and HEX and OCT strings.