主题：access数据库 如果未加载该表到系统如何判断是否存在某字段

 可以用临时表dt

Dim cmd As New SQLCommand
cmd.ConnectionName = "数据源名"
Dim dt As DataTable
Dim cmb As WinForm.ComboBox
cmd.CommandText = "SELECT * From {订单} where 1=2"
dt = cmd.ExecuteReader()