C#实现图片上传与数据库存储功能

pbworkerpic控件



/// <summary>
        /// 照片单击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void pbworkerpic_Click_1(object sender, EventArgs e)
        {
            OpenFileDialog openfile = new OpenFileDialog();

            openfile.Filter = "图像文件(JPeg, Gif, Bmp, etc.)|*.jpg;*.jpeg;*.gif;*.bmp;*.tif; *.tiff; *.png|JPeg 图像文件(*.jpg;*.jpeg)|*.jpg;*.jpeg |GIF 图像文件(*.gif)|*.gif |BMP图像文件(*.bmp)|*.bmp|Tiff图像文件(*.tif;*.tiff)|*.tif;*.tiff|Png图像文件(*.png)| *.png |所有文件(*.*)|*.*";
            if (openfile.ShowDialog() == DialogResult.OK)
            {


                //得到原始大小的图像
                SourceBitmap = new Bitmap(openfile.FileName);
                //得到缩放后的图像
                MyBitmap = new Bitmap(SourceBitmap, this.pbworkerpic.Width, this.pbworkerpic.Height);
                this.pbworkerpic.Image = MyBitmap;
                if (this.pbworkerpic.Image == null)
                {
                    MessageBox.Show("请选择图片", "照片提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return;
                }
                imagedata = null;