IsInt64(Value: String): Boolean;
Value. String value that should be checked.
The IsInt64 method checks if the specified string value is a number that can be represented with the Int64 data type.
Available values:
True. The specified value can be converted to the Int64 type.
False. Conversion is unavailable. Use the Int64.Parse or Int64.TryParse method for conversion.
See also: