how to get dynamically images in picturebox

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C#

Hello Friends,
I am Trying to add the picturebox dynamically in my C# win. form. it is bing loded but when i am trying to get picturebox image ie. PictureBox.Image then it is giving me null value. Suppose i have 20 picturebox then starting 2-3 Picturebox.Image is not null but rest of are null...

My code

private void button2_Click(object sender, EventArgs e)
{
if (folderpath.ShowDialog() == DialogResult.OK)
{
string path = folderpath.SelectedPath;

DirectoryInfo di = new DirectoryInfo(path);

FileInfo[] Images = di.GetFiles("*.jpg");



foreach (var img in Images)
{
PictureBox picture = new PictureBox
{
Name = "pictureBox" + i,
Size = new Size(316, 320),
Location = new Point(i * 316, 1),

SizeMode = PictureBoxSizeMode.AutoSize
};
if (img.Name.Substring(0, 5) == "Errod")
{
picture.ImageLocation = img.FullName;
ErrodImg.Add(picture);

ErrodImgpanel.Controls.Add(picture);
}
else
{
picture.ImageLocation = img.FullName;
OriginalImg.Add(picture);
OriginalImgpanel.Controls.Add(picture);
}
i++;
}
}

}

please help me out for this problem

thanks in Advance.