循环添加控件（Picturebox）

Question

What i have: Big PictureBox (lets call it Pic_Map) on the form. A class Ore.cs , A List<Ore> ores; and a database that pulls the data and places it into the ores list.

Functionality: So, The functionality of this is i have a TextBox/Combobox and a Button. When i press the Button, it will loop through the ores list and Dynamically add PictureBoxes ontop of the Pic_Map based on TexBox/ComboBox being equal to the data (in this case Ore_Name).

Problem: This all works fine, but the problem is that when i add the PictureBoxes Dynamically, it only seems to add the last value on the ores list (Red circles on Pic_Map). so, it ends up showing only 1 PictureBox instead of lets say 3, since i have 3 value Names that match with the TextBox/ComboBox.

Question: How to get it to work like when i write/choose "Flame Stone" it looks on all the data that has "Flame Stone" in its name and add it (Instead of it adding only the last value from the list).

Code:

private void PopulateComboBoxByName()
    {
        PictureBox ore_Area = new PictureBox(); 

        db.GetOre(); //Getting data and putting it into "ores" list

        foreach (Ore ore in db.ores)
        {
            if (CBOX_Filter.SelectedItem.ToString() == ore.Ore_Name)
            {
                int area_Width = Convert.ToInt32(ore.Area_Width);
                int area_Height = Convert.ToInt32(ore.Area_Height);

                int ore_Width = Convert.ToInt32(ore.Ore_Width);
                int ore_Height = Convert.ToInt32(ore.Ore_Height) - area_Height / 2;
                ore_Area.Name = "ore_Area";

                ore_Area.ImageLocation = @"Data\Images\Circle.png";
                ore_Area.SizeMode = PictureBoxSizeMode.StretchImage;

                ore_Area.Size = new Size(Convert.ToInt32(area_Width), Convert.ToInt32(area_Height));
                ore_Area.Location = new Point(Convert.ToInt32(ore_Width), Convert.ToInt32(ore_Height));
                ore_Area.BackColor = Color.Transparent;

                this.Controls.Add(ore_Area);
            }
        }

        ore_Area.Parent = PIC_Map;
    }

Images:

Data:

Map:

Answer 1

Thanks to LarsTech, it has been fixed.

Making the picturebox is moved inside the loop, this.controls.add is changed to PIC_Map.controls.add and Ore_Area.Parent = PIC_Map; is deleted.