con.Open（）;

cmd = new OleDbCommand（从购买中选择product_img，其中Model_no ='+ comboBox2.Text +'，con）;

da = new OleDbDataAdapter（cmd）;

ds = new DataSet（）;

da.Fill（ds）;

byte [] MyData = new byte [0];

DataRow myRow;

myRow = ds.Tables [0] .Rows [0];

MyData =（byte []）myRow [0];

MemoryStream stream = new MemoryStream（MyData）;

pictureBox1.Image = Image.FromStream（stream）;

pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;



con.Close（）;

con.Open();
cmd = new OleDbCommand("select product_img from purchase where Model_no='" + comboBox2.Text + "'", con);
da = new OleDbDataAdapter(cmd);
ds = new DataSet();
da.Fill(ds);
byte[] MyData = new byte[0];
DataRow myRow;
myRow = ds.Tables[0].Rows[0];
MyData = (byte[])myRow[0];
MemoryStream stream = new MemoryStream(MyData);
pictureBox1.Image = Image.FromStream(stream);
pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;

con.Close();

查看此链接..



示例1 [ ^ ]



示例2 [ ^ ]





问候



Dil

Check this links..

Example 1[^]

Example 2[^]


Regards

Dil

Exacly你想要的：

使用EF在SQL Server中存储二进制数据 [ ^ ]

Exacly what you want :
Storing binary data in SQL Server using EF[^]