主题：[求助]一个错误提示

一楼的这种判断似乎用ExecuteScalar直接返回值更合理些，如：

Dim cmd As New SQLCommand
cmd.CommandText = "Select Count(姓名) From {员工信息库} Where [姓名] = '" & User.Name & "'"
If cmd.ExecuteScalar() = 0 Then
    MessageBox.show("此账户已停用!")
End If