azure 函数时间触发器和 azure sql 数据库与 Z240AA2CEC4B29C56F3BEE520A8DCEE 数据库之间的连接：如何修复错误：7

Question

i will trying to connect azure function with azure database sql using C# but i don't know how to fix this error. 你有什么想法吗？

错误：我确实尝试并捕获以查看异常

System.Data.ProviderBase.DbConnectionPool.CheckPoolBlockingPeriod(Exceptione)
       at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
       at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
       at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
       at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
       at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
       at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
       at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
       at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
       at System.Data.SqlClient.SqlConnection.Open()

这是一个代码：

using System;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Host;
using Microsoft.Extensions.Logging;
using System.Data.SqlClient;
using System.Threading.Tasks;
using Microsoft.Azure.Functions.Extensions;


namespace azuretosharepoint
{
    public static class Function1
    {
        [FunctionName("Function1")]
        public static async Task RunAsync([TimerTrigger("0 */1 * * * *")]TimerInfo myTimer, ILogger log)
        {
            try
            {
                // Get the connection string from app settings and use it to create a connection.
                var str = Environment.GetEnvironmentVariable("sqldb-connection");
                using (SqlConnection conn = new SqlConnection(str))
                {
                    conn.Open();
                    var text = "SELECT * FROM PERSONNE ;";
                    using (SqlCommand cmd = new SqlCommand(text, conn))
                    {
                    // Execute the command and log the # rows affected.
                    var rows = await cmd.ExecuteNonQueryAsync();
                    log.LogInformation($"{rows} rows were updated");
                    }
                }
            }
            catch(Exception e)
            {
                Console.WriteLine("{0} Exception caught.", e);
            }

        }
    }
}

错误图像

Answer 1

如果您对这项服务非常陌生，您可以按照本教程进行操作。

检查您的代码后，没有任何问题。 问题一定是连接。 请检查您是否修改了连接字符串中的密码。

另一件事是确保为您的 ip 地址设置服务器防火墙规则。