You must use the parameters collection of the command object.
Depending on which data provider you are using (Sql, Ole, Oracle, etc) the names are a bit different, but basically:
Dim cmd As New OleDb.OleDbCommand
cmd.Connection = conn ' Assumes you have an open connection named conn
cmd.CommandType = CommandType.StoredProcedure
cmd.CommandText = "STORED_PROC_NAME_HERE"
cmd.ExecuteNonQuery() ' You can also ExecuteReader or ExecuteScalar
These are the basics and should get you started.
Woody Z http://www.learntoprogramnow.com