protected virtual void LoadItemsFromTable(DropDownTreeItem item, object idValue, DataTable table, bool isStr, string idField, string parentIDField, string txtfiled, string valuefiled)
{
string str;
if (isStr)
{
str = "{0} = '{1}'";
}
else
{
str = "{0} = {1}";
}
try
{
foreach (DataRow row in table.Select(string.Format(str, parentIDField, idValue)))
{
DropDownTreeItem item2 = new DropDownTreeItem();
item2.LoadFromDataRow(row, txtfiled, valuefiled);
item.Items.Add(item2);
this.LoadItemsFromTable(item2, row[idField], table, isStr, idField, parentIDField, txtfiled, valuefiled);
}
}
catch
{
throw new ArgumentException("Table or filed name error!", table.TableName);
}
}
protected override int AddItem(ViewStatePartBase item)
{
DropDownTreeItem item2 = (DropDownTreeItem)item;
item2.DropDownTree = this.DropDownTree;
item2.Owner = this.Owner;
item2.Init();
return(base.AddItem(item2));
}
public virtual void LoadFromTable(DataTable table, bool isStr, string idField, string parentIDField, string txtfiled, string valuefiled)
{
try
{
this.Items.Clear();
foreach (DataRow row in table.Select(string.Format("{0} =0", parentIDField)))
{
DropDownTreeItem item = new DropDownTreeItem();
item.LoadFromDataRow(row, txtfiled, valuefiled);
this.Items.Add(item);
this.LoadItemsFromTable(item, row[idField], table, isStr, idField, parentIDField, txtfiled, valuefiled);
}
}
catch
{
throw new ArgumentException("Table or filed name error!", table.TableName);
}
}
public DropDownTreeItem GetItemByValue(string _value)
{
if (!this.IsEmpty)
{
foreach (DropDownTreeItem item in base.InnerList)
{
if (item.Value == _value)
{
return(item);
}
DropDownTreeItem itemByValue = item.Items.GetItemByValue(_value);
if (itemByValue != null)
{
return(itemByValue);
}
}
}
return(null);
}
protected virtual string GetTabText()
{
DropDownTreeItemCollection items;
if (this.Level == 0)
{
return(string.Empty);
}
DropDownTreeItem owner = this.Owner;
if (this.Level > 1)
{
items = owner.Owner.Items;
}
else
{
items = this.DropDownTree.Items;
}
if (owner.Index == (items.Count - 1))
{
return(string.Format("{0}{1}", owner.GetTabText(), " " + this.DropDownTree.TabString));
}
return(string.Format("{0}{1}", owner.GetTabText(), "│" + this.DropDownTree.TabString));
}
public int IndexOf(DropDownTreeItem item)
{
return(base.InnerList.IndexOf(item));
}
public int Add(DropDownTreeItem item)
{
return(this.AddItem(item));
}