ASP.NET

J Liang wrote:

Is this what I suppose to get? The numbers do turn different as I upload different pictures.

J Liang wrote:

out there to turn the above binary back to an image file

using (MemoryStream stream = new MemoryStream(b))
{
     using (System.Drawing.Image image = System.Drawing.Image.FromStream(stream))
     {
         // Use the image variable here
     }
}

// Use the image variable here

<asp:image id="imgLogo" runat="server" height="120px" visible="True" width="120px" />

using (MemoryStream stream = new MemoryStream(strCpyLogo))
                    {
                        using (System.Drawing.Image image = System.Drawing.Image.FromStream(stream))
                        {
                            // Use the image variable here
                            
                        }
                    }

byte[] strCpyLogo;

Response.ContentType = "image/jpeg";

                    using (MemoryStream stream = new MemoryStream(strCpyLogo))
                    {
                        using (System.Drawing.Image image = System.Drawing.Image.FromStream(stream))
                        {
                            // Use the image variable here

                        }
                    }

J Liang wrote:

System.ArgumentException: Parameter is not valid.

using (MemoryStream stream = new MemoryStream(strCpyLogo))
                    {
                        using (System.Drawing.Image image = System.Drawing.Image.FromStream(stream))
                        {
                          
                        }
                    }

SqlParameter objParam2;

objParam2 = myCommand.Parameters.Add("@cpyLogo", SqlDbType.Binary, 5000);

objParam2.Direction = ParameterDirection.Output;

myCommand.ExecuteNonQuery();

if (objParam2.Value == DBNull.Value)
            {
                cpyLogo = null;
            }
            else
            {
                cpyLogo = Convert.ToByte(objParam2.Value); <--Note it is not converting to byte[]
            }

public static byte[] ConvertStringToByteArray(string stringToConvert)
    {
        return (new UnicodeEncoding()).GetBytes(stringToConvert);
    }

if (objParam2.Value == DBNull.Value)
            {
                cpyLogo = null;
            }
            else
            {
                cpyLogo = ConvertStringToByteArray(objParam2.Value.ToString());
            }