In VB.Net - Trying to insert variables into MSSQL

Hi Experts, In I am connecting to a MS SQL 2005 Database and inserting the following-
objCommand = New SqlCommand("Insert Into Bookings(Guest, Bnumber, Cumber) Values(" & " '1', '2', '3')")  This works correctly.   But when I substitue my variables into the "Values", I get the error message "The name "xxxx" is not valid in this context.   I think I'm getting my " " and ' ' mixed up.   Please can someone show me the syntax for multiple variables in the SQL command in .net.  Thanks in advance
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Mind you should not wrap strings with ' '
Dim guest As String
Dim bnumber As Integer
Dim cumber As Integer
Dim insertBookingFormat As String = "INSERT INTO Bookings(Guest, Bnumber, Cumber) VALUES('{0}', {1}, {2})"
Dim objCommand As New SqlCommand([String].Format(insertBookingFormat, guest, bnumber, cumber))

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Sorry, you should not wrap INTEGERS, not strings. See example above.
PNRTAuthor Commented:
Sorry, the 1 2 and 3 were just example variables, not integers.
But your solution worked first time
Many Thanks
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