vb.net not to accept comma, single quote and double quote

Hi !

I need to filter my all my textbox in my program to accept

all characters except for  comma, single quote, and double quote. (, ' ").

I use the keypress event for this filter. Here is my initial code but is not working.

If (e.KeyChar = Keys.OemQuotes) Then
        e.handled = false
    Else

   End If

In this, if they key entered is a quote then it will not allow.

Something like this and also to include keys.oemcomma.

I need to filter this to prevent error in my database query since comma and quotes are sensitive to it.

Any help is much appreciated!

Thanks,

Pem