Top "Isnullorempty" questions

Check if list is empty in C#

I have a list of objects populated from a database. I need to display an error message if the list …

c# list gridview isnullorempty

One liner for If string is not null or empty else

I usually use something like this for various reasons throughout an application: if (String.IsNullOrEmpty(strFoo)) { FooTextBox.Text = "0"; } else { FooTextBox.…

c# if-statement isnullorempty

SQLite select where empty?

In SQLite, how can I select records where some_column is empty? Empty counts as both NULL and "".

sql sqlite select isnullorempty

Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C#

What are differences between these commands in C# string text= " "; 1-string.IsNullOrEmpty(text.Trim()) 2-string.IsNullOrWhiteSpace(text)

c# string difference isnullorempty string-function

How to use IsNullOrEmpty in VB.NET?

Why doesn't the following compile in VB.NET? Dim strTest As String If (strTest.IsNullOrEmpty) Then MessageBox.Show("NULL OR …

.net vb.net string isnullorempty

Does C# have IsNullOrEmpty for List/IEnumerable?

I know generally empty List is more prefer than NULL. But I am going to return NULL, for mainly two …

c# ienumerable isnullorempty

Check if string variable is null or empty, or full of white spaces

How can I check if a string variable is null or empty, or full with space characters in Twig? (Shortest …

string twig isnullorempty

How to check null and empty condition using Thymeleaf in one single operation?

Is there any way to check both null and empty condition in Thymeleaf? Approach 1 1) .variable1?.variable2?.variable3 2) variable!=null 3) variable!=…

java thymeleaf isnullorempty

'IsNullOrWhitespace' in JavaScript?

Is there a JavaScript equivalent to .NET's String.IsNullOrWhitespace so that I can check if a textbox on the client-side …

javascript .net string is-empty isnullorempty

How can I check multiple textboxes if null or empty without a unique test for each?

I have about 20 text fields on a form that a user can fill out. I want to prompt the user …

c# arrays testing text isnullorempty