sqlconnection open close
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.
| 相關軟體 Oracle Database Express 資訊 | |
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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 |