You will not need to dispose SPContext, As a general rule if we create an object only then we dispose it..
On Fri, Nov 4, 2011 at 11:35 AM, Paul Noone < paul.no...@ceosyd.catholic.edu.au> wrote: > Damn. I may need to trim that even further. J**** > > Suggestions?**** > > **** > > Incidentally, I am using a DropDownList control and the following worked a > treat. Never ceases to amaze me just how simple these things are when you > know how.**** > > Huge thanks to Techardinal’s series on Editor > Parts<http://blog.techardinal.com/categories/263/web-part-development.aspx>. > Making sense out of the dark arts. J**** > > public class ListSettingsPart: EditorPart**** > > {**** > > // Declare custom editor parts here**** > > DropDownList SortByCol = new DropDownList();**** > > ** ** > > // Get filterable columns for the DropDownList**** > > private void popSortByCol_dd()**** > > {**** > > // Get reference to the web part**** > > LightBox lbWebPart = (LightBox)WebPartToEdit;**** > > // Get list and field collection**** > > SPList imageLib = SPContext > .Current.Web.Lists[lbWebPart.oListName];**** > > SPFieldCollection fieldsCollection = imageLib.Fields;**** > > ** ** > > foreach (SPField field in fieldsCollection)**** > > {**** > > // Get only filterable fields**** > > if (field.Filterable)**** > > {**** > > SortByCol.Items.Add(new ListItem {Text = field.Title, > Value = field.InternalName });**** > > } **** > > }**** > > ** ** > > }**** > > ** ** > > // Create our controls**** > > protected override void CreateChildControls()**** > > {**** > > // Clear any existing controls**** > > this.Controls.Clear();**** > > ** ** > > // Create the custom control panel **** > > Panel panListSettings = new Panel();**** > > ** ** > > // Create SortByCol label**** > > Label labSortByCol = new Label();**** > > labSortByCol.Text = "SortBy column:";**** > > panListSettings.Controls.Add(labSortByCol);**** > > // Populate the dropdownlist**** > > popSortByCol_dd();**** > > SortByCol.ToolTip = "Select a column to sort by.";**** > > SortByCol.AutoPostBack = true;**** > > panListSettings.Controls.Add(SortByCol);**** > > // Add the custom control panel**** > > this.Controls.Add(panListSettings);**** > > }**** > > ** ** > > *From:* ozmoss-boun...@ozmoss.com [mailto:ozmoss-boun...@ozmoss.com] *On > Behalf Of *Paul Noone > *Sent:* Friday, 4 November 2011 8:31 AM > *To:* ozMOSS > *Subject:* RE: Return only spfields that are filterable**** > > ** ** > > J Great. That’s exactly what I was after. Thank you!**** > > One more question surrounding “using”. Whenever I use using I get web part > errors saying that the data has already been disposed. This usually occurs > when trying to edit the web part properties.**** > > As a result, I now just do the folowing but am unsure as to whether this > needs to be disposed at some point?**** > > try**** > > {**** > > oList = SPContext.Current.Web.Lists[oListName];**** > > ** ** > > *From:* ozmoss-boun...@ozmoss.com [mailto:ozmoss-boun...@ozmoss.com] *On > Behalf Of *Salman Ahmad > *Sent:* Thursday, 3 November 2011 6:29 PM > *To:* ozMOSS > *Subject:* Re: Return only spfields that are filterable**** > > ** ** > > my bad, I missed actual condition, **** > > **** > > foreach (SPField field in fieldsCollection) { > if (field.Filterable) { > Console.WriteLine(field.Title); > fieldsList.Add(field); } }**** > > **** > > Cheers,**** > > **** > > *From:* Salman Ahmad <salman.ah...@msn.com> **** > > *Sent:* Thursday, November 03, 2011 11:24 AM**** > > *To:* ozMOSS <ozmoss@ozmoss.com> **** > > *Subject:* Re: Return only spfields that are filterable**** > > **** > > Hi Paul, **** > > **** > > Here is a sample you can start with. **** > > **** > > using(SPSite site = new SPSite("http://localhost";)) > using (SPWeb web = site.OpenWeb()) > { > List<SPField> fieldsList = new List<SPField>(); > > SPFieldCollection fieldsCollection = web.Fields; > > foreach (SPField field in fieldsCollection) > { > Console.WriteLine(field.Title); > fieldsList.Add(field); > } > }**** > > **** > > Use fieldsList to populate your DropDownList.**** > > **** > > You can also get Fields Collection for your lists in the same way, **** > > **** > > Cheers,**** > > Salman**** > > **** > > *From:* Paul Noone <paul.no...@ceosyd.catholic.edu.au> **** > > *Sent:* Thursday, November 03, 2011 8:52 AM**** > > *To:* mailto:ozmoss@ozmoss.com <ozmoss@ozmoss.com> **** > > *Subject:* Return only spfields that are filterable**** > > **** > > Can anyone provide an example of how I can use the SPField.Filterable > property to return all fields where this is true?**** > > I want to use this to dynamically populate a DropDownList control.**** > > **** > ------------------------------ > > _______________________________________________ > ozmoss mailing list > ozmoss@ozmoss.com > http://prdlxvm0001.codify.net/mailman/listinfo/ozmoss**** > ------------------------------ > > _______________________________________________ > ozmoss mailing list > ozmoss@ozmoss.com > http://prdlxvm0001.codify.net/mailman/listinfo/ozmoss**** > > _______________________________________________ > ozmoss mailing list > ozmoss@ozmoss.com > http://prdlxvm0001.codify.net/mailman/listinfo/ozmoss > >
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