How to round a number in Visual Basic to n decimal places

　　In this example I will show you how to take a decimal number in Visual Basic and round it to a specified number of decimal places. Follow the example below.

　　Start Visual Basic, by selecting it from the start menu.

　　When VB has loaded, a window appears. Click on Standard-EXE which will create form1 by default.

　　On the toolbox to the right of form1 select the command button and drag it to a resonable size on the form.

　　Open up form1注释：s code window by double clicking on the command button.

　　A new window will appear.  Delete everything in that window and type the following:

　　Private Sub Command1_Click()

　　MsgBox Round(12.3265, 2)

　　End Sub

　　Function Round(nValue As Double, nDigits As _

　　Integer) As Double

　　Round = Int(nValue * (10 ^ nDigits) + _0.5) / (10 ^ nDigits)

　　End Function