VB.NET On Error GoTo

On Error GoTo statements is an example of Vb.Net's Unstructured Exception Handling . VB.NET has two types of Exception handling . Structured Error Handling and Unstructured Error handling . VB.NET using Try..Catch statement for Structured Error handling and On Error GoTo statement is using for Unstructured Error handling.

Error GoTo redirect the flow of the program in a given location.

On Error Resume Next - whenever an error occurred in runtime , skip the statement and continue execution on following statements.

Take a look at the following program

VB.NET Source Code

when u execute this program you will get error message like Arithmetic operation resulted in an overflow .

See the program we put an On Error GoTo statement.

Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click
        On Error GoTo nextstep
        Dim result As Integer
        Dim num As Integer
        num = 100
        result = num / 0
        MsgBox("Control Here")
    End Sub
End Class

When you execute the program you will get the message box "Control Here" . Because the On Error statement redirect the exception to the Label statement. (C) 2021    Founded by raps mk
All Rights Reserved. All other trademarks are property of their respective owners.
SiteMap  | Terms  | About