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MS Access，SQL Server映像字段

[英]MS Access, SQL Server image field

原文 2012-02-16 23:19:07 2 1 c#/ asp.net/ sql-server/ ms-access

I have spent nearly 2 days in trying to figure this out. 我花了将近2天的时间试图解决这个问题。 We have an Access Project (adp) from Year 2000 that stores images to SQL Server 2008. I have tried connecting directly to SQL Server and to open TIFF files but it didn't work. 我们有一个2000年的Access Project（adp），它将图像存储到SQL Server 2008.我尝试直接连接到SQL Server并打开TIFF文件，但它不起作用。 Also tried to copy/paste the image field content into a file, renaming as TIFF and trying to open it but it didn't work as well. 还尝试将图像字段内容复制/粘贴到文件中，重命名为TIFF并尝试打开它但它也不起作用。 The problem with the content in the image field is that it is not of the right size. 图像字段中内容的问题在于它的大小不正确。 It is only 15-20KB but the files at that point should be around 3MB. 它只有15-20KB，但那时的文件大约应该是3MB。 It works fine if I retrieve the same data back in to the ACCESS project application. 如果我将相同的数据检索回ACCESS项目应用程序，它可以正常工作。

I have tried TiffLib.net and few other things. 我尝试过TiffLib.net和其他一些东西。

So, has anyone got any idea on how to migrate those image fields into SQL? 那么，有没有人知道如何将这些图像字段迁移到SQL？

Thanks 谢谢

1 个解决方案

Well the Image data type stores a binary version of your image. 那么Image数据类型存储了图像的二进制版本。 Now the conversion process is explain in the below links. 现在转换过程在下面的链接中解释。 You'll need to use a library to convert a byte array into image object. 您需要使用库将字节数组转换为图像对象。

http://www.akadia.com/services/dotnet_load_blob.html http://www.akadia.com/services/dotnet_load_blob.html

http://www.dreamincode.net/forums/topic/103960-save-and-retrieve-images-with-sql-server/ http://www.dreamincode.net/forums/topic/103960-save-and-retrieve-images-with-sql-server/

Hopefully this helps. 希望这会有所帮助。