这个insert操作哪里错了???
<Script Language="VB" Runat="Server">
Dim pertime As datetime = system.datetime.now
Dim MyConnString As string = "Provider=MSDAORA; Data Source=陈浩军; User id=test; Password=erpjw;"
Dim conn1 as OleDbConnection = New OleDbConnection(MyConnString)
Dim ds1 As DataSet = New DataSet()
Sub insert(sender as Object, e as EventArgs)
Dim sql As string = "insert into TAB_CUSTOMER(id,b01,b02,b3) VALUES (num_seq.nextval,'username','"& b02.text &"',TO_date('"+ perTIME +"','YYYY-MM-DD HH24:MI:SS'))"
Dim dr As oleDbDataReader
Dim MyCommand As OleDbCommand = New OleDbCommand(sql,conn1)
MyCommand.Connection.Open()
MyCommand.executeNonQuery()
End sub
</script>
当程序调试时出现:
“/aspnet”应用程序中的服务器错误。
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未将对象引用设置到对象的实例。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。
异常详细信息: System.NullReferenceException: 未将对象引用设置到对象的实例。