Display Image in Windows Form PictureBox from Path stored in Database using C# and VB.Net

This is not work,how i define the path in this code..

                    string strStudentImageName = Application.StartupPath + "\\ProImages\\" + dt.Rows[intStudentDetails]["studentphoto"];
                    string[] images = Directory.GetFiles(strStudentImageName);
                    foreach (string image in images)
                    {
                        studentimage.Image = new Bitmap(image);
                        studentimage.SizeMode = PictureBoxSizeMode.StretchImage;
                        studentimage.Refresh();
                    }