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POBest practice for webservices
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copied!<p>I've created a webservice and when I want to use its methods I instantiate it in the a procedure, call the method, and I finally I dispose it, however I think also it could be okay to instantiate the webservice in the "private void Main_Load(object sender, EventArgs e)" event.</p> <p>The thing is that if I do it the first way I have to instantiate the webservice every time I need one of its methods but in the other way I have to keep a webservice connected all the time when I use it in a form for example. </p> <p>I would like to know which of these practices are better or if there's a much better way to do it</p> <p><strong>Strategy 1</strong></p> <pre><code>private void btnRead_Click(object sender, EventArgs e) { try { //Show clock this.picResult.Image = new Bitmap(pathWait); Application.DoEvents(); //Connect to webservice svc = new ForPocketPC.ServiceForPocketPC(); svc.Credentials = new System.Net.NetworkCredential(Settings.UserName, Settings.Password); svc.AllowAutoRedirect = false; svc.UserAgent = Settings.UserAgent; svc.PreAuthenticate = true; svc.Url = Settings.Url; svc.Timeout = System.Threading.Timeout.Infinite; svc.CallMethod(); ... } catch (Exception ex) { ShowError(ex); } finally { if (svc != null) svc.Dispose(); } } </code></pre> <p><strong>Strategy 2</strong></p> <pre><code>private myWebservice svc; private void Main_Load(object sender, EventArgs e) { //Connect to webservice svc = new ForPocketPC.ServiceForPocketPC(); svc.Credentials = new System.Net.NetworkCredential(Settings.UserName, Settings.Password); svc.AllowAutoRedirect = false; svc.UserAgent = Settings.UserAgent; svc.PreAuthenticate = true; svc.Url = Settings.Url; svc.Timeout = System.Threading.Timeout.Infinite; } private void btnRead_Click(object sender, EventArgs e) { try { //Show clock this.picResult.Image = new Bitmap(pathWait); Application.DoEvents(); svc.CallMethod(); ... } catch (Exception ex) { ShowError(ex); } } private void Main_Closing(object sender, CancelEventArgs e) { svc.Dispose(); } </code></pre>

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