<%@ Page Language="C#" EnableViewState="true" %>
<%@ Import Namespace="System.Data.OleDb" %>
 protected void Button1_Click( object sender, EventArgs e )
 {
 System.IO.Stream fileDataStream = FileUpload1.PostedFile.InputStream;
 if (fileDataStream.Length < 1)
 {
 Msg.Text = "请选择文件。";
 return;
 }
 //得到文件大小
 int fileLength = FileUpload1.PostedFile.ContentLength;
 //创建数组
 byte[] fileData = new byte[fileLength];
 //把文件流填充到数组
 fileDataStream.Read(fileData, 0, fileLength);
 //得到文件类型
 string fileType = FileUpload1.PostedFile.ContentType;
 //构建数据库连接,SQL语句,创建参数
 string strCnn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("Image2Access.mdb");
 OleDbConnection myConnection = new OleDbConnection(strCnn);
 OleDbCommand command = new OleDbCommand("INSERT INTO Person (PersonName,PersonEmail,PersonSex,PersonImageType,PersonImage)" +
 "VALUES (@PersonName,@PersonEmail,@PersonSex,@PersonImageType,@PersonImage)", myConnection);
 command.Parameters.AddWithValue("@PersonName",TextBox1.Text);
 command.Parameters.AddWithValue("@PersonEmail", "mengxianhui@dotnet.aspx.cc");
 command.Parameters.AddWithValue("@paramPersonSex", "男");
 command.Parameters.AddWithValue("@PersonImageType", fileType);
 command.Parameters.AddWithValue("@PersonImage", fileData);
 //打开连接,执行查询
 myConnection.Open();
 command.ExecuteNonQuery();
 myConnection.Close();
 Response.Redirect(Request.RawUrl);
 }
 protected void Page_Load( object sender, EventArgs e )
 {
 if (!Page.IsPostBack)
 {
 BindGrid();
 }
 }
 private void BindGrid( )
 {
 string strCnn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="
 + Server.MapPath("Image2Access.mdb");
 OleDbConnection myConnection = new OleDbConnection(strCnn);
 OleDbCommand myCommand = new OleDbCommand("SELECT * FROM Person", myConnection);
 try
 {
 myConnection.Open();
 GridView1.DataSource = myCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection);
 GridView1.DataBind();
 }
 catch (OleDbException SQLexc)
 {
 Response.Write("提取数据时出现错误:" + SQLexc.ToString());
 }
 }
 protected string FormatURL( object strArgument )
 {
 return "ReadImage.aspx?id=" + strArgument.ToString();
 } 
 上传文件到数据库
 
SQL Server数据库代码
<%@ Page Language="C#" EnableViewState="true" %>
<%@ Import Namespace="System.Data.SqlClient" %>
 上传文件到数据库
 
显示图片
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data.OleDb" %>
<%@ Import Namespace="System.Data.SqlClient" %>
 protected void Page_Load( object sender, EventArgs e )
 {
 ////构建数据库连接,SQL语句,创建参数
 //ACCESS数据库使用本注释部分
 //string strCnn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("Image2Access.mdb");
 //OleDbConnection myConnection = new OleDbConnection(strCnn);
 //OleDbCommand command = new OleDbCommand("select * from Person Where PersonID =" + Request.QueryString["id"], myConnection);
 //myConnection.Open();
 //OleDbDataReader dr = command.ExecuteReader();
 //if (dr.Read())
 //{
 // Response.Clear();
 // Response.AddHeader("Content-Type", dr["PersonImageType"].ToString());
 // Response.BinaryWrite((byte[])dr["PersonImage"]);
 //}
 //dr.Close();
 //myConnection.Dispose();
 //构建数据库连接,SQL语句,创建参数
 string strCnn = "Persist Security Info=False;User ID=sa;Password=;Initial Catalog=Book;Server=(local);";
 SqlConnection myConnection = new SqlConnection(strCnn);
 SqlCommand command = new SqlCommand("select * from UserPhoto Where id =" + Request.QueryString["id"], myConnection);
 myConnection.Open();
 SqlDataReader dr = command.ExecuteReader();
 if (dr.Read())
 {
 Response.Clear();
 Response.AddHeader("Content-Type", dr["ContentType"].ToString());
 Response.BinaryWrite((byte[])dr["Photo"]);
 }
 dr.Close();
 myConnection.Dispose();
 }
创建SQL数据表语句
CREATE TABLE [UserPhoto] (
 [id] [int] IDENTITY (1, 1) NOT NULL ,
 [UserName] [nvarchar] (255) COLLATE Chinese_PRC_CI_AS NOT NULL ,
 [ContentType] [varchar] (50) COLLATE Chinese_PRC_CI_AS NOT NULL ,
 [Photo] [image] NOT NULL ,
 CONSTRAINT [PK_UserPhoto] PRIMARY KEY CLUSTERED 
 (
 [id]
 ) ON [PRIMARY] 
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
来源:孟宪会之精彩世界