C＃：如何将Memory stream设置为asp.net图像控件的source属性？

Question

我在一个ASP.NET页中有一个asp.net图像控件，并且有一个包含图像的内存流。如何在不将图像存储在硬盘中的情况下将该内存流转换为将其设置为图像源？

Answer 1

The image control takes an ImageUrl - a path to where the image is located.

There is no property that takes an actual image (or image data).

What you can do is write a HttpHandler that will stream your images from whatever source - set the ImageUrl to use this handler.

Here is an example for a general file handler using a memory stream - it's a good starting point for what I suggest.

Answer 2

您将不得不将该文件写入磁盘，或者制作另一个页面（在同一页面上执行操作？）以将MemoryStream的内容写入Response，然后将图像控件指向该源。