我想从数据库提取图片在pictureBox上显示 怎么会提示参数无效byte[] ImaByte = (byte[])reader["img"];
MemoryStream stream = new MemoryStream(ImaByte, true);
pictureBox1.Image = Image.FromStream(stream);这段提示参数无效
MemoryStream stream = new MemoryStream(ImaByte, true);
pictureBox1.Image = Image.FromStream(stream);这段提示参数无效
{
byte[] ImaByte = (byte[])reader["img"];
MemoryStream stream = new MemoryStream(ImaByte, true);
pictureBox1.Image = Image.FromStream(stream);
}
这样的代码 如果图片为空 还是会执行 这事怎么回事
Image image = Image.FromStream(buf,true);
this.pictureBox1.Image = image;