DropDownList分级绑定显示数据

来源：互联网发布：房昊知乎编辑：程序博客网时间：2024/04/26 06:30

public void BuildDropDownList(DropDownList ddl, int pareId, DataTable dt, int vrank)        {            foreach (DataRow dr in dt.Rows)            {                if (Convert.ToInt32(dr["sort"]) == pareId)                {                                        ListItem li = new ListItem();                    string frontStr = "";                    if (Convert.ToInt32(dr["sort"]) != vrank)                    {                        //for (int i = vrank; i < DAL.activity.GetRecordCount(" sort =" + Convert.ToInt32(dr["sort"])); i++)                        //{                        //    frontStr += "　";                        //}                        frontStr += " └";                    }                    li.Text = frontStr + dr["name"].ToString();                    li.Value = dr["aid"].ToString();                    ddl.Items.Add(li);                    BuildDropDownList(ddl, Convert.ToInt32(dr["aid"]), dt, vrank);                }            }        }

<pre name="code" class="csharp">BuildDropDownList(DropDownList ddl, int pareId, DataTable dt, int vrank)

dll 绑定控件 paerid 第一个级ID dt 数据源 vrank区分显示

0 0