Assume that s is a string variable that is supposed to contain a value to be converted to integer. Write a fragment of code that converts the value to integer variable and displays that value multiplied by 2. If the value cannot be converted, display the message ‘Invalid number’ instead.

Assume that s is a string variable that is supposed to contain a value to be converted to integer.  Write a fragment of code that converts the value to integer variable and displays that value multiplied by 2.  If the value cannot be converted, display the message ‘Invalid number’ instead.

LANGUAGE: Visual Basic

CHALLENGE:

Assume that s is a string variable that is supposed to contain a value to be converted to integer.
Write a fragment of code that converts the value to integer variable and displays that value multiplied by 2.
If the value cannot be converted, display the message ‘Invalid number’ instead.

SOLUTION:


Try
    MessageBox.Show(CInt(s) * 2)
Catch
    MessageBox.Show("Invalid number")
End Try

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