Update Controls at runtime C#

Kode 

                foreach (XElement item in multilevel)
                {


                    Label labelMultilevel = new Label();
                    panel2.Controls.Add(labelMultilevel);

                    labelMultilevel.Name = ("labelMultilevel" + iMul);
                    labelMultilevel.Location = new Point(xMul, yMul);
                    labelMultilevel.ForeColor = Color.Black;
                    labelMultilevel.AutoSize = true;
                    labelMultilevel.Text = ("[ D ] : " + item.Parent.Attribute("name").Value);

                    if (item.FirstNode.ToString() == "<on />")
                    {
                        labelMultilevel.ForeColor = Color.Green;
                    }
                    else if (item.FirstNode.NextNode.ToString() == "<on />")
                    {
                        labelMultilevel.ForeColor = Color.Green;
                    }
                    else
                    {
                        labelMultilevel.ForeColor = Color.Red;
                    }
                    iMul++;
                    yMul += 25;
                }