Check for Null or empty string in VBScript

May 21, 2012 Roel van Lisdonk 0 Comments

To check if a string is empty in VBScript, you can use the function Len.

 

image

Both message boxes will be shown.

 

Notes

  • A String in VBScript can’t be set to Null.
  • An unset String in VBScript has a value of "" and contains no characters.

image

Message box with text "Yes." will be shown.

Tags:

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Tags

Angular (16) AngularJS (28) ASP .NET (66) C# (191) Chrome (7) CSS (27) Entity Framework (17) Excel (9) HTML (8) IIS (29) Integration Services (18) Internet Explorer (11) Javascript (70) jQuery (7) Kendo (6) Kendo UI (16) LINQ (10) LLBLGen (13) MVC (7) NAnt (9) Outlook (19) Outsystems (6) PowerPivot (9) PowerShell (31) Reporting Services (21) Setup Packages (14) SharePoint (28) Silverlight (15) SQL Server (88) SSIS (17) T-SQL (44) Telerik (12) TFS (11) TypeScript (13) Unit tests (15) Visual Studio (101) Visual Studio Code (8) VMWare (10) WCF (12) WCF RIA Services (7) Windows (11) Windows 7 (34) Windows 8 (12) WPF (8) XML - XSLT - XPath (8)

Archive