public static GetCategoriesHierarchy ( int portalId ) : |
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portalId | int | |
Résultat |
/// <summary> /// Inserts a collection of <see cref="ListItem"/> into a <see cref="System.Web.UI.WebControls.ListControl"/>. /// Each item has a value of the name of the category plus ticks to indicate hierarchy between categories. /// Each item has a value of the category's itemId. /// If you have problems showing all Categories, you can try using <see cref="DisplayChildren(ListControl, int, int?)"/> on an instantiated ItemRelationship (see <see cref="Controls.ItemRelationships.UpdateAvailableItems"/> for an example). /// </summary> /// <param name="lc">The <see cref="System.Web.UI.WebControls.ListControl"/> into which the category options will be added.</param> /// <param name="categoryId">The id of the parent category from which the hierarchy will start, or -1 if all categories.</param> /// <param name="portalId">The id of the portal in which these categories reside.</param> /// <param name="includeParentCategory">if set to <c>true</c> includes the parent category in the list, otherwise only shows the parent's children. This is ignored if the TopLevelCategory is selected.</param> /// <param name="itemToExclude">An item which you want to exclude from the list (including its children). This is typically used to keep circular relationships from being possibe options.</param> public static void DisplayCategoryHierarchy(ListControl lc, int categoryId, int portalId, bool includeParentCategory, int itemToExclude) { DataTable dt; if (categoryId < 1) { dt = Category.GetCategoriesHierarchy(portalId); // we ignore includeParentCategory if it is the TopLevelCategory } else { dt = Item.GetAllChildren(ItemType.Category.GetId(), categoryId, RelationshipType.ItemToParentCategory.GetId(), portalId).Tables[0]; if (includeParentCategory) { Category parentCategory = Category.GetCategory(categoryId, portalId); if (parentCategory != null) { DataRow parentRow = dt.NewRow(); parentRow["ParentItemId"] = "-1"; parentRow["ItemId"] = categoryId; parentRow["Name"] = parentCategory.Name; dt.Rows.InsertAt(parentRow, 0); } } } TreeNode root = BuildHierarchy(dt); FillListControl(root, lc, itemToExclude); }
public void DisplayChildren(ListControl lc, int portalId, int?itemToExclude) { DataTable dt; DataSet ds; if (this._parentItemId < 1) { dt = Category.GetCategoriesHierarchy(portalId); } else { ds = Item.GetAllChildren(this._parentItemId, this._relationshipTypeId, portalId); dt = ds.Tables[0]; } TreeNode root = BuildHierarchy(dt); FillListControl(root, lc, itemToExclude); }