Visual Basic

The value of a date variable is 12:00:00 AM when it is not assigned. If a date is optional for

‘ Backup the specified database.’ Note: requires Imports System.Data.SqlClient” Example:’ Dim connString As String = “server=(local); user id=sa; password=; ‘

The following routines convert a numeric value into a string that represents the number, and vice versa. They are useful

‘ Return True if the application is running as an EXE’ Return False if the application is running as a

‘ Returns a Hashtable whose keys are the unique words in a source string’ and whose elements are the number

‘ Return the position of the argument in a list of values’ or zero if the argument isn’t included in

‘ Keep the first argument in the range [lowLimit, highLimit]’ If the value is adjusted, the fourth (optional) argument is

Function IsValidEmail(ByVal Value As String, Optional ByVal MaxLength As _ Integer = 255, Optional ByVal IsRequired As Boolean = True)

‘ convert a positive number to any base’ BASE can be in the range 2-36Function Dec2Any(ByVal number As Long, ByVal