可能重复:
GDI+ 一般错误
我正在编写一个数据库应用程序并使用“sdf”文件作为数据库。我通过以下代码将图像转换为字节数组,将图像保存在数据库中:
byte[] ReadFile(string sPath)
{
//Initialize byte array with a null value initially.
byte[] data = null;
//Use FileInfo object to get file size.
FileInfo fInfo = new FileInfo(sPath);
long numBytes = fInfo.Length;
//Open FileStream to read file
FileStream fStream = new FileStream(sPath, FileMode.Open, FileAccess.Read);
//Use BinaryReader to read file stream into byte array.
BinaryReader br = new BinaryReader(fStream);
//When you use BinaryReader, you need to supply number of bytes to read from file.
//In this case we want to read entire file. So supplying total number of bytes.
data = br.ReadBytes((int)numBytes);
return data;
}
并将其插入数据库。
我通过此代码检索图像:
public static Image CreateImage(byte[] imageData)
{
Image image=null;
if(imageData !=null)
{
using (MemoryStream inStream = new MemoryStream())
{
inStream.Write(imageData, 0, imageData.Length);
image = Bitmap.FromStream(inStream);
}
}
return image;
}
并将图片框图像分配给 CreateImage 返回值。
直到这里一切都很好但是当我想在磁盘上存储图片框图像时
Bpicture.Image.Save(@"pic1.jpeg", ImageFormat.Jpeg);
发生此错误:
An unhandled exception of type 'System.Runtime.InteropServices.ExternalException' occurred in System.Drawing.dll
Additional information: A generic error occurred in GDI+.
当我从磁盘而不是数据库加载图像时,也不会发生此错误