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private void button1_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("server=.;database=test;uid=sa;pwd=sa");
conn.Open();
string sql = "insert into image values (@i)";
SqlCommand cmd = new SqlCommand(sql, conn);
byte[] ib = new Byte[60000];
FileStream fs = new FileStream(@"D:\ͼƬ.jpg", FileMode.Open, FileAccess.Read);
fs.Read(ib, 0, 60000);
cmd.Parameters.Add("@i", SqlDbType.Image, (int)fs.Length);
cmd.Parameters["@i"].Value = ib;
cmd.ExecuteNonQuery();
conn.Close();
}
private void button2_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("server=.;database=test;uid=sa;pwd=sa");
conn.Open();
string sql = "select * from image where id = 4";
SqlCommand com=new SqlCommand (sql,conn);
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