Message Box in VB .NET – Working with messagebox is a very interesting topic for beginners. The message box which displays dialog box in VB.NET. It is used to display a error messages, notification, etc. This tutorial helps you to learn main features of message box. In the example we created program of simple messagebox, Message box with title, dialog box with buttons, dialog box with icons, and dialog box with if else condition.
Message Box in VB .NET
Basic Syntax: MessageBox.Show(message, title, controls, icon)
Source Code:
Public Class frmmessagebox Private Sub btnexample1_Click(sender As Object, e As EventArgs) Handles btnexample1.Click MessageBox.Show("Welcome to studentprojectguide.com") End Sub Private Sub btnexample2_Click(sender As Object, e As EventArgs) Handles btnexample2.Click MessageBox.Show("Welcome to studentprojectguide.com", "Welcome Message..") End Sub Private Sub btnexample3_Click(sender As Object, e As EventArgs) Handles btnexample3.Click MessageBox.Show("Hello visitors", "Study well", MessageBoxButtons.YesNo) End Sub Private Sub btnexample4_Click(sender As Object, e As EventArgs) Handles btnexample4.Click MessageBox.Show("This messagebox with icon", "Example 4", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) End Sub Private Sub btnexample5_Click(sender As Object, e As EventArgs) Handles btnexample5.Click dim msgresult As DialogResult = MessageBox.Show("Press Ok or Cancel", "Confirmation Box", MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk) If msgresult = DialogResult.OK Then MessageBox.Show("You clicked OK button") Else MessageBox.Show("You clicked Cancel button") End If End Sub End Class
Example 1: In the example 1 just it displays message in the content bar and default OK button comes under this.
Example 2: In this example The dialog box appears with message and title in the top.
Example 3: This is 3 argument dialog box with message, title and multiple buttons.
Example 4: This message box has 4 arguments with message, title, button type and it displays icon
Example 5: In the following example conditions given for two buttons. If user clicks OK then if condition executes and if user clicks cancel then else statement executes.
Download Source Code:
Video Tutorial: This video tutorial gives details explanation of messagebox.
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