How to use IsNullOrEmpty in VB.NET?

.net vb.net string isnullorempty
CJ7 picture CJ7 · Oct 30, 2012 · Viewed 94k times · Source

Why doesn't the following compile in VB.NET?

Dim strTest As String
If (strTest.IsNullOrEmpty) Then
   MessageBox.Show("NULL OR EMPTY")
End if

Answer

Tomq picture Tomq · Oct 30, 2012

IsNullOrEmpty is 'shared' so you should use it that way:

If String.IsNullOrEmpty(strTest) Then

Related questions

How do you get a string from a MemoryStream?

If I am given a MemoryStream that I know has been populated with a String, how do I get a String back out?

Read More
How to make String.Contains case insensitive?

How can I make the following case insensitive? myString1.Contains("AbC")

Read More
String.Join method that ignores empty strings?

The VB.NET method String.Join(separator, stringArray) is similar to PHP's implode, but any null elements in the array are replaced with an empty string, so thatc: Dim myArray() as String = { "a", null, "c" } Console.WriteLine(String.Join(", ", myArray)); // …

Read More