public override void DataBind()
{
_Bound = false;
if (this.DataSource == null)
{
throw new NullReferenceException("DataSource cannot be null");
}
if (!this.DataSource.Columns.Contains("MenuText"))
{
throw new DataException("DataSource must contain the column \"MenuText\"");
}
_ParentItems.Clear();
DataRow[] parents = this.DataSource.Select("MenuParentID = 0");
foreach (DataRow pdr in parents)
{
AccordionParentItem p = new AccordionParentItem();
if (pdr["MenuText"] == DBNull.Value)
{
throw new DataException("Column \"MenuText\" cannot be null.");
}
p.Text = pdr["MenuText"].ToString();
p.NavigateURL = Utility.ConvertTo(pdr["MenuURL"], "#");
p.Visible = Utility.ConvertTo(pdr["MenuVisible"], false);
DataRow[] children = this.DataSource.Select("MenuParentID = " + pdr["MenuID"].ToString());
foreach (DataRow cdr in children)
{
AccordionChildItem c = new AccordionChildItem();
if (cdr["MenuText"] == DBNull.Value)
{
throw new DataException("Column \"MenuText\" cannot be null.");
}
c.Text = cdr["MenuText"].ToString();
c.NavigateURL = Utility.ConvertTo(cdr["MenuURL"], "#");
c.Visible = Utility.ConvertTo(cdr["MenuVisible"], false);
p.ChildItems.Add(c);
}
_ParentItems.Add(p);
}
_Bound = true;
base.DataBind();
}
public AccordionParentItem FindParent(string text)
{
AccordionParentItem result = null;
foreach (AccordionParentItem p in _ParentItems)
{
if (p.Text == text)
{
result = p;
break;
}
}
return(result);
}