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Design Question
Message
From
20/03/2009 01:07:55
 
General information
Forum:
ASP.NET
Category:
ADO.NET
Title:
Miscellaneous
Thread ID:
01389713
Message ID:
01389881
Views:
60
>The SqlConnection will close when it exits the using clause.

No, I don't think so ... I'm pretty sure that even though the oConn object goes out of scope, the connection will remain open.

~~Bonnie





>>>>>In other words, if you use this syntax, the connection object is automatically closed.
>>>>
>>>>Ok, I see. But I'm not sure how to use it in my class. Can you elaborate a bit?
>>>
>>>I don't know if this is applicable in your class and I'm not 100% sure the syntax will work as is.
>>>
>>>Can you post a bit of code how you're using this method in your code right now and we'll see, if my idea can work for you or not.
>>
>>
>>Sure. It's a bit long tho...
>>
>
>Here's your code, with the using statement:
>
>
>public SqlDataReader ExecuteReader(string sCommand, ArrayList colParams, CommandType Type)
>{
>
>    SqlDataReader oRetVal = null;
>
>    using (SqlConnection oConn = _GetConnection(true))
>    {
>        if (oException == null)
>        {
>            SqlCommand oCommand = new SqlCommand();
>
>            oCommand.Connection = oConn;
>            oCommand.CommandText = sCommand;
>
>            if (colParams != null)
>            {
>                SqlParameter[] aParams = new SqlParameter[colParams.Count];
>                colParams.CopyTo(aParams);
>
>                oCommand.Parameters.Clear();
>                oCommand.Parameters.AddRange(aParams);
>            }
>
>            oCommand.CommandType = Type;
>
>            try
>            {
>                oRetVal = oCommand.ExecuteReader();
>            }
>            catch (SqlException e)
>            {
>                _oException = e;
>            }
>
>            if (_oException == null)
>            {
>                oCommand.Parameters.Clear();
>            }
>        }
>
>        return oRetVal;
>    }
>}
>
>
>The SqlConnection will close when it exits the using clause.
>
>Still, even with your code, I would think that you should be able to use oConn.Close() at the end of ExecuteReader method, though I haven't tried it.
Bonnie Berent DeWitt
NET/C# MVP since 2003

http://geek-goddess-bonnie.blogspot.com
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