oledbdatareader close
Remarks. You must explicitly call the Close method when you are through using the OleDbDataReader to use the associated OleDbConnection for any other purpose. ,關閉OleDbConnection之前,請先關閉OleDbDataReader 物件。 如果您打算重複使用OleDbCommand 物件,您也必須關閉OleDbDataReader 物件。例如,在呼叫Close之後,您才能擷取輸出 ... ,2013年5月31日 — I suggest you to use using keyword. Because sometimes you can forget to close or dispose connection and reader. ,2012年4月26日 — This is not recommended at all. Why would you do it? When the Command is Disposed (this happens when the execution leaves the using block), ...,2012年12月15日 — When the client retrieves all rows from my plugin cursor, this is not a problem - when OleDBDataReader.Read() returns false, I close the ... ,2005年11月18日 — Hi, if have this method in a cs file that connections to a database and returns a datareader to my web form. public OleDbDataReader ... ,The error is : The SELECT statement includes a reserved word or an argument name that is misspelled or missing, or the punctuation is ...,2016年8月5日 — The exception you get is most probably System.InvalidOperationException: ExecuteReader: Connection property has not been initialized.,2003年4月23日 — ... Close OleDbDataReader); myReader.Close(); //close data reader Console.WriteLine(Commit transaction and close connection); cmd.Transaction ...
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oledbdatareader close 相關參考資料
OleDbDataReader.Close Method (System.Data.OleDb)
Remarks. You must explicitly call the Close method when you are through using the OleDbDataReader to use the associated OleDbConnection for any other purpose. https://learn.microsoft.com OleDbDataReader 類別(System.Data.OleDb)
關閉OleDbConnection之前,請先關閉OleDbDataReader 物件。 如果您打算重複使用OleDbCommand 物件,您也必須關閉OleDbDataReader 物件。例如,在呼叫Close之後,您才能擷取輸出 ... https://learn.microsoft.com Do I need to close OleDbDataReader everytime I use it?
2013年5月31日 — I suggest you to use using keyword. Because sometimes you can forget to close or dispose connection and reader. https://stackoverflow.com Is it safe to access OleDBDataReader after Command ...
2012年4月26日 — This is not recommended at all. Why would you do it? When the Command is Disposed (this happens when the execution leaves the using block), ... https://stackoverflow.com Plugin Workspace: when to close an OleDbDataReader?
2012年12月15日 — When the client retrieves all rows from my plugin cursor, this is not a problem - when OleDBDataReader.Read() returns false, I close the ... https://gis.stackexchange.com Closing of OleDbConnection and OleDbDataReader
2005年11月18日 — Hi, if have this method in a cs file that connections to a database and returns a datareader to my web form. public OleDbDataReader ... https://post.bytes.com OleDbDataReader reader = command.ExecuteReader()
The error is : The SELECT statement includes a reserved word or an argument name that is misspelled or missing, or the punctuation is ... https://www.codeproject.com [Solved] Oledbdatareader reader = comand.executereader()
2016年8月5日 — The exception you get is most probably System.InvalidOperationException: ExecuteReader: Connection property has not been initialized. https://www.codeproject.com Work with Data Reader Object (C#, VB.Net)
2003年4月23日 — ... Close OleDbDataReader); myReader.Close(); //close data reader Console.WriteLine(Commit transaction and close connection); cmd.Transaction ... https://www.ibprovider.com |