1-) C# RMOS - treeList1 kullanımı

private void button1_Click(object sender, EventArgs e)

        {

            DataTable dt = new DataTable();

            dt.Columns.Add("id");

            dt.Columns.Add("ad");

            dt.Columns.Add("soyad");

            dt.Columns.Add("ustid");

            DataRow dr = dt.NewRow();

            dr["id"] = 1;

            dr["ad"] = "Elektrik";

            dr["soyad"] = "HABER";

            dr["ustid"] = DBNull.Value;

            dt.Rows.Add(dr);

            dr = dt.NewRow();

            dr["id"] = 2;

            dr["ad"] = "Makine";

            dr["soyad"] = "HABER";

            dr["ustid"] = DBNull.Value;

            dt.Rows.Add(dr);

            dr = dt.NewRow();

            dr["id"] = 3;

            dr["ad"] = "Makine_alt";

            dr["soyad"] = "HABER";

            dr["ustid"] = 2;

            dt.Rows.Add(dr);

            treeList1.KeyFieldName = "id";

            treeList1.ParentFieldName = "ustid";

            treeList1.DataSource = dt;

        }