摘要： 消息 6260，级别 16，状态 1，第 1 行 从用户定义的表值函数获取新行时出错: System.InvalidOperationException: Data access is not allowed in this context. Either the context is a function or method not marked with DataAccessKind.Read or SystemDataAccessKind.Read, is a callback to obtain data from FillRow method of a Table Valued Function, or is a UDT validation method. System.InvalidOperationException: at System.Data.SqlServer.Internal.ClrLevelContext.CheckSqlAccessReturnCode(SqlAccessApiReturnCode eRc) at System. 阅读全文