我使用 Visual Studio 和 c# win forms(网络表单)。我尝试打开与 MS 2005 服务器和阅读器查询的连接。这里 - 是
sql = "SELECT Files.ID, Files.FileName, Files.File_Name, Files.CreatingDate, aspnet_Users.UserName, aspnet_Membership.Email "
+ "FROM aspnet_Membership "
+ "INNER JOIN aspnet_Users ON aspnet_Membership.UserId = aspnet_Users.UserId "
+ "INNER JOIN Files ON aspnet_Membership.UserId = Files.UserId";
这些表存在于数据库中。无效的对象名称“aspnet_Membership”。说明:执行当前 Web 请求期间发生未处理的异常。请查看堆栈跟踪以获取有关错误及其源自代码的位置的更多信息。
异常详细信息:System.Data.SqlClient.SqlException:对象名称“aspnet_Membership”无效。
源错误:
Line 47: SqlCommand cmd = new SqlCommand(sql, con);
Line 48: con.Open();
Line 49: SqlDataReader reader = cmd.ExecuteReader();
Line 50: string str = "";
我烦了。提前致谢