sqlconnection open close
Your pattern for open and close is correct. However you must note that this doesn't open and close the connection to the SQL Server so doesn't ..., You should be using SqlConnection.State. e.g, using System.Data; if (myConnection != null && myConnection.State == ConnectionState.,SqlConnection goes out of scope, it is not closed. Therefore, you must explicitly close the connection by calling M:System.Data.SqlClient.SqlConnection.Close. , I'd think the answer would be fairly obvious - keep it open until you've finished. I'd also take a look at ..., [C#] Database Connection Open 與Close的時機. ... ('Kirk','0912345678')"; SqlConnection connection = new SqlConnection(connectionString); ...,關閉與資料庫的連接。Closes the connection to the database. 這是關閉任何開啟連接的慣用方法。This is the preferred method of closing any open connection. ,如果SqlConnection 超出範圍，則不會關閉。If the SqlConnection goes out of scope, it is not closed. 因此，您必須藉由呼叫Close明確地關閉 ... ,ConnectionString = connection; // 開啟連線 sqlConnection.Open(); sqlConnection.Close(); sqlConnection.Dispose(); sqlConnection = null; sw.Stop(); Console. , Open();. // Do work here; connection closed on following line. } ... 就SqlConnection 的角度，只要下了Close()，不用管SQL Server connection pool ..., Stick to option a. The connection pooling is your friend.
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 sqlconnection open close 相關參考資料
What is Best Approach for OpeningClosing SqlConnection in C
Your pattern for open and close is correct. However you must note that this doesn't open and close the connection to the SQL Server so doesn't ... https://stackoverflow.com Check if SQL Connection is Open or Closed - Stack Overflow
You should be using SqlConnection.State. e.g, using System.Data; if (myConnection != null && myConnection.State == ConnectionState. https://stackoverflow.com SqlConnection.Open 方法(System.Data.SqlClient)
SqlConnection goes out of scope, it is not closed. Therefore, you must explicitly close the connection by calling M:System.Data.SqlClient.SqlConnection.Close. http://msdn.microsoft.com Sql Connection Open and close - CodeProject
I'd think the answer would be fairly obvious - keep it open until you've finished. I'd also take a look at ... https://www.codeproject.com [C#] Database Connection Open 與Close的時機| 愛流浪的小風 ...
[C#] Database Connection Open 與Close的時機. ... ('Kirk','0912345678')"; SqlConnection connection = new SqlConnection(connectionString); ... https://dotblogs.com.tw SqlConnection.Close 方法(System.Data.SqlClient) | Microsoft ...
關閉與資料庫的連接。Closes the connection to the database. 這是關閉任何開啟連接的慣用方法。This is the preferred method of closing any open connection. https://docs.microsoft.com SqlConnection.Open 方法(System.Data.SqlClient) | Microsoft ...
如果SqlConnection 超出範圍，則不會關閉。If the SqlConnection goes out of scope, it is not closed. 因此，您必須藉由呼叫Close明確地關閉 ... https://docs.microsoft.com [C#] SQL 資料庫Connection Pool 連線池觀念釐清 - iT 邦幫忙 ...
ConnectionString = connection; // 開啟連線 sqlConnection.Open(); sqlConnection.Close(); sqlConnection.Dispose(); sqlConnection = null; sw.Stop(); Console. https://ithelp.ithome.com.tw 請問DbConnection 重複使用與立即釋放的管理方式 - MSDN
Open();. // Do work here; connection closed on following line. } ... 就SqlConnection 的角度，只要下了Close()，不用管SQL Server connection pool ... https://social.msdn.microsoft. "openclose" SqlConnection or keep open? - Stack Overflow
Stick to option a. The connection pooling is your friend. https://stackoverflow.com |