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);
}
}
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);
}
}