>我设置"全部"以访问数据库
use DbName
GRANT SUBSCRIBE QUERY NOTIFICATIONS TO dbuser
use DbName
GRANT SELECT ON OBJECT::schema.tableName TO dbuser
Use DbName
GRANT RECEIVE ON QueryNotificationErrorsQueue TO dbuser
ALTER DATABASE DbName SET TRUSTWORTHY ON
use DbName
alter database DbName SET ENABLE_BROKER
但是当我启动 SqlDependency 时:
bool started = SqlDependency.Start(connectionString);
//start 是假的,然后我收到此错误
System.Data 中发生类型为"System.InvalidOperationException"的异常.dll但未在用户代码中处理其他信息:在使用 SqlDependency 而不提供选项值的情况下,必须在执行添加到 SqlDependency 实例的命令之前调用 SqlDependency.Start()。
C# 代码:
private static bool notificationEnabled = false;
private string connString= "Data Source=(local);Initial Catalog=MyDB;UID=dbuser; PWD=pass;";
public static void EnableNotifications()
{
// prevent for calling twice
if (notificationEnabled)return;
System.Web.Caching.SqlCacheDependencyAdmin.EnableNotifications(connString);
//startResult is false always
bool startResult = SqlDependency.Start(connString);
notificationEnabled = true;
}
尝试将队列名称添加到"开始"屏幕:
bool startResult = SqlDependency.Start(connString, queueName)
我还必须将服务名称和超时添加到我的 SqlDependency 构造函数中,以使事情正常工作。(它在 VB 中,但你明白了)
dependency = New SqlDependency(command, "Service=" + SERVICE_NAME + ";", Int32.MaxValue)