protected void btnAddNewColumn_Click(object sender, EventArgs e) { ColumnInfo columninfo = new ColumnInfo(); columninfo.Columnname = tbxColumnname.Text.Trim(); columninfo.Parentid = Convert.ToInt32(dddlParentid.SelectedValue); Articles.CreateColumn(columninfo); lbMessage.Text = "添加成功!"; RemoveColumnListCache(); BindData(); }