In this article I will explain with an example, how to display MessageBox in Windows Forms (WinForms) Application using C# and VB.Net.
 
 

Form Design

The Form consists of following control:
Label – For labeling TextBoxes.
TextBox – For capturing user input.
Button – For displaying MessageBox.
Display MessageBox in Windows Forms using C# and VB.Net
 
The Button has been assigned with following event handler:

Events

Click – Submits the Form when Button is clicked.
 
 

Displaying MessageBox in C# and VB.Net

When the Submit Button is clicked, a message is displayed using the Show method of MessageBox class.
C#
private void OnSubmit(object sender, EventArgse)
{
    MessageBox.Show("Your details have been saved successfully.");
}
 
VB.Net
Private Sub OnSubmit(sender As Object, e As EventArgs) Handles btnSubmit.Click
    MessageBox.Show("Your details have been saved successfully.")
End Sub
 
 

Screenshot

Display MessageBox in Windows Forms using C# and VB.Net
 
 

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