VB+SQL的学生信息管理系统 Option Explicit Public cnn As New ADODB.Connection Public cnn1 As New ADODB.Connection Public qy1 As New ADODB.Recordset Public qy2 As New ADODB.Recordset Public qy3 As New ADODB.Recordset Public qy4 As New ADODB.Recordset Public qy5 As New ADODB.Recordset Public rst As New ADODB.Rec