//分类下拉
private void BindItemTypeListBox()
{
DataTable dt = new DataTable();
if (Cache["itemtype"] != null)
{
dt = (DataTable)Cache["itemtype"];
}
else
{
dt = bll.GetListBoxData(userId, "ItemTypeName", "ItemType", "DESC");
CacheHelper.AddCache("itemtype", dt, CacheItemPriority.Normal);
}
this.ItemTypeListBox.DataSource = dt;
this.ItemTypeListBox.DataTextField = "ItemTypeName";
this.ItemTypeListBox.DataValueField = "ItemType";
this.ItemTypeListBox.DataBind();
string[] arr = itemType.Split(',');
foreach (ListItem item in this.ItemTypeListBox.Items)
{
if (itemType == "")
{
item.Selected = true;
}
foreach (string str in arr)
{
if (item.Value == str)
{
item.Selected = true;
}
}
}
}