Passing variables between forms

Question

Back in the old days ... It was a simple matter of declaring a global variable then using it on whatever form/module you wanted to use it on. What is the best way of accomplishing this task in VB.NET? It's probably right in front fo my face! Thanks in advance.

Mahesh Chand · Answer

Not to mention both VB.NET and C# share same Windows Forms library.

Mahesh Chand · Answer

Here is an article if it helps. http://www.c-sharpcorner.com/Code/2002/Aug/PassingDataInForms.asp

Phil.Herrington · Answer

Global variables need to be declared as public in a module but you can use public in a class (eg a form) to declare a public field. You need to create a new instance of the class to access it from outside eg. ' In form1 Public VariableName as String 'In form 2 dim form1 as New form1 form1.VariableName=whatever You could also declare the variable as shared (this makes the variable static) 'In form1 Public shared VariableName as string 'In form2 form1.VariableName=whatever

mikelp · Answer

I tried this technique first thinking it was similar to VB6 but after I declared the variable at the form #1 level it is not available to form #2- it gives me an error indicating that it was not declared. Am I missing a setting at the Visual Studio level?

Phil.Herrington · Answer

Declare the variable as Public in the declaration section of the form. eg. Public variableName as String