Question

c# 怎么把数据库二进制图片同步到文件夹下

求一个简单的案例 或者代码 代码要求带需要的命名空间

Answer 1

protected void LoadImage(string sql)
{
SqlConnection Conn = new SqlConnection("链接字符串");
Conn.Open();
SqlCommand cmd = new SqlCommand(sql, Conn);
byte[] fileData = (byte[])cmd.ExecuteScalar();
Conn.Close();

System.IO.MemoryStream ms = new System.IO.MemoryStream(fileData);
System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
img.Save("C:\\aa.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
}

追问

System.Drawing.Image
Image 点不出来为什么

追答

程序集添加System.Drawing引用