VB中如何向表中插入数据
我想在VB中插入一些字段到表中。但它没有给出任何结果。
Dim a As String
a = s_up.Text1.Text
Dim b As String
b = s_up.Text2.Text
Set rs = Nothing
rs.Open "insert into profile (user_name,first_name) values(' " & a & " ',' " & b & " ' ) ", cn, adOpenKeyset, adLockOptimistic
I want to insert into table some fields in VB. But it is not giving any result.
Dim a As String
a = s_up.Text1.Text
Dim b As String
b = s_up.Text2.Text
Set rs = Nothing
rs.Open "insert into profile (user_name,first_name) values(' " & a & " ',' " & b & " ' ) ", cn, adOpenKeyset, adLockOptimistic
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您的 SQL 代码不返回结果集，因此结果应该是实例化的记录集，但使用
State = adStateClosed，因此您将无法用它做太多事情，例如没有行也没有字段，可以不测试 RecordCOunt 或 EOF 等。Your SQL code does not return a resultset, so the result should be an instantiated recordset but with
State = adStateClosed, so you won't be able to do much with it e.g. has no rows nor fields, can't be tested for RecordCOunt nor EOF, etc.假设您之前已经设置了 ADO 对象，那么在打开结果集之前将其设置为
Nothing可能不是一个好主意。尝试删除此行看看是否有帮助。哦，是的，这种方法并不是最安全的。阅读避免 SQL 注入的最佳实践。
Assuming you've set up the ADO object earlier, setting it to
Nothingbefore opening the result set probably isn't a good idea. Try removing this line to see if it helps. ieoh yeh, and this approach isn't the most secure. Have a read up on best practices to avoid SQL injection.