C# winform 上传图片

        private void gtisButton1_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialogTemp = new OpenFileDialog();
            openFileDialogTemp.Title = "选择要上传的图片";
            openFileDialogTemp.Filter = "All Files(*.*)|*.*|位图(*.bmp)|*.bmp|JPEG(*.jpg)|*.jpg";

            DialogResult dr = openFileDialogTemp.ShowDialog();

            textBox1.Text = openFileDialogTemp.FileName;
            if (!File.Exists(openFileDialogTemp.FileName))
            {
                MessageBox.Show("照片为空，请选择图片");
                return;
            }

            if (dr == DialogResult.OK)
            {
                string image = openFileDialogTemp.FileName;
                string picpath = openFileDialogTemp.FileName;

                pictureBox1.Image = Image.FromFile(image);
                this.pictureBox1.Text = image;

                string id = "111";
                File.Copy(openFileDialogTemp.FileName, Application.StartupPath + "\\Image\\" + id + ".jpg");

            }

        }