VB.net 函数给出 ORA-00911 无效字符错误答案

【问题标题】：VB.net function giving ORA-00911 invalid character errorVB.net 函数给出 ORA-00911 无效字符错误
【发布时间】：2011-11-15 08:06:00
【问题描述】：

 Public Shared Function GetData(ByVal id As Integer) As List(Of SomeClass)
            Dim command As New OracleCommand       
            Dim conn As New OracleConnection(WebConfigurationManager.ConnectionStrings("ConnectionString").ToString)
            Dim param As New OracleParameter
            param.ParameterName = "idnumber"
            param.Value = id
            param.DbType = DbType.Int32
            command.Parameters.Add(param) 

            command.Connection = conn
            command.CommandText = "select VAL1, VAL2, Year from local.proc where id = :idnumber and Year = to_number(to_char(sysdate,’YYYY’))"

            Dim reader As OracleDataReader
            Dim someList As New List(Of SomeClass)

            connection.Open()
            reader = command.ExecuteReader()
            While reader.Read
                Dim someClass As New SomeClass
                someClass.VAL1 = reader("VAL1")
                someClass.VAL2 = reader("VAL2")
                someClass.Year = reader("YEAR")
                someList.Add(someClass)
            End While
            connection.Close()
            Return someList
        End Function

此函数给出 ORA-00911 无效字符错误。我有其他相同风格的方法，这些方法运行正常。请对我哪里出错有任何建议吗？谢谢

【问题讨论】：

您缺少参数:idnumber - 您的实际代码中有它吗？

标签： asp.net vb.net oracle data-access-layer ora-00911

【解决方案1】：

我认为问题在于当年 SQL 语句中的引号错误，即：’YYYY’

改成'YYYY'

换行：

command.CommandText = "select VAL1, VAL2, Year from local.proc where id = :idnumber and Year = to_number(to_char(sysdate,’YYYY’))"

与

command.CommandText = "select VAL1, VAL2, Year from local.proc where id = :idnumber and Year = to_number(to_char(sysdate,'YYYY'))"

【讨论】：

【解决方案2】：

您似乎在使用格式化的撇号。

to_char(sysdate,’YYYY’

试试改成

to_char(sysdate,'YYYY'

【讨论】：