如何使用我的公司签名在数据库中上载图像 [英] How Do I Upload Images In Database With My Company Signature

问题描述

http://dhupguri.quikr.com/gt-I8262-Samsung-galaxy-core -W0QQAdIdZ223088082 [ ^ ]



请通过链接...在那里你可以找到手机的图像，在图像公司名称写成www.quikr.com。如何在用户上传图片时这样做。



i我正在使用sql server和c＃.net web application.my网站是 http://ebsindiaonline.com/Free-ads [ ^ ]



i希望在图像中使用我的公司签名上传图像。如何做到这一点？



请帮帮我。



thnx提前。

解决方案

< blockquote>解决方案提供如下：



http：/ /lmgtfy.com/?q=c%23+add+image+watermark [ ^ ]

DataTable dt = new DataTable（）;

dt.Columns.Add（ col1，typeof（byte []））;

Image img = Image.FromFile（@文件的物理路径）;

DataRow dr = dt.NewRow （）;

dr [col1] = imageToByteArray（img）;

dt.Rows.Add（dr）;



-----------------------------



public byte [] imageToByteArray（System.Drawing.Image imageIn）

{

MemoryStream ms = new MemoryStream（）;

imageIn.Save （ms，System.Drawing.Imaging.ImageFormat.Gif）;

返回ms.ToArray（）;

}

---- -------------------------------

映射此数据表到数据库表。

http://dhupguri.quikr.com/gt-I8262-Samsung-galaxy-core-W0QQAdIdZ223088082[^]

please go through the link...there you can find images of a mobile and in the images company name is written "www.quikr.com".how to do that when a user upload images.

i am using sql server and c#.net web application.my website is http://ebsindiaonline.com/Free-ads[^]

i want to upload images in database with my company signature in the images.how to do that?

please help me out.

thnx in advance.

解决方案

The solution is provided below:

http://lmgtfy.com/?q=c%23+add+image+watermark[^]

DataTable dt = new DataTable();
dt.Columns.Add("col1", typeof(byte[]));
Image img = Image.FromFile(@"physical path to the file");
DataRow dr = dt.NewRow();
dr["col1"] = imageToByteArray(img);
dt.Rows.Add(dr);

-----------------------------

public byte[] imageToByteArray(System.Drawing.Image imageIn)
{
MemoryStream ms = new MemoryStream();
imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
return ms.ToArray();
}
-----------------------------------
Map this datatable to database table.

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