鑒於問的人較多，先貼出代碼
Image2Access.ASPx
<%@ Page language="c#" Debug="true" Codebehind="Image2Access.ASPx.cs"
AutoEventWireup="false" Inherits="eMeng.Exam.Image2Access" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD Html 4.0 Transitional//EN" >
<Html>
<HEAD>
<title>上傳文件到 Access 數據庫</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClIEntScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/IE5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="DataGridShowImage" method="post" runat="server" enctype="multipart/form-data">
<h3 align="center">上傳文件到 Access 數據庫</h3>
<ASP:DataGrid ID="DG_Persons" AutoGenerateColumns="False" Width="99%" HeaderStyle-BackColor="#ff0000"
HeaderStyle-Font-Bold="True" HeaderStyle-ForeColor="#ffffff" ItemStyle-BackColor="Beige" BorderColor="#000000"
Runat="server" HeaderStyle-HorizontalAlign="Center">
<Columns>
<ASP:TemplateColumn HeaderText="姓名">
<ItemTemplate>
<ASP:Label Runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "PersonName") %>' ID="Label1"/>
</ItemTemplate>
</ASP:TemplateColumn>
<ASP:TemplateColumn HeaderText="電子郵件">
<ItemTemplate>
<ASP:Label Runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "PersonEmail") %>' ID="Label2"/>
</ItemTemplate>
</ASP:TemplateColumn>
<ASP:TemplateColumn HeaderText="性別">
<ItemTemplate>
<ASP:Label Runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "PersonSex") %>' ID="Label3"/>
</ItemTemplate>
</ASP:TemplateColumn>
<ASP:TemplateColumn HeaderText="照片">
<ItemTemplate>
<ASP:Image Runat=server ID="Image1"
ImageUrl='<%# FormatURL(DataBinder.Eval(Container.DataItem, "PersonID")) %>' />
</ItemTemplate>
</ASP:TemplateColumn>
</Columns>
</ASP:DataGrid>
<b>文件名字：</b><input id="MyFileName" type="text" runat="server" NAME="MyFileName">
<P>
<b>文件：</b><input id="MyFile" type="file" runat="server" NAME="MyFile">
<br>
<br>
<input type="submit" value="開始上傳" runat="server" ID="Submit1" NAME="Submit1">
</P>
</form>
</body>
</Html>
Image2Access.ASPx.cs
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using System.Web;
using System.IO;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace eMeng.Exam
{
/// <summary>
/// Image2Access 的摘要說明。
/// </summary>
public class Image2Access : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlInputText MyFileName;
protected System.Web.UI.HtmlControls.HtmlInputFile MyFile;
protected System.Web.UI.HtmlControls.HtmlInputButton Submit1;
protected System.Web.UI.WebControls.DataGrid DG_Persons;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此處放置用戶代碼以初始化頁面
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);
myCommand.CommandType = CommandType.Text;
try
{
myConnection.Open();
DG_Persons.DataSource = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
DG_Persons.DataBind();
}
catch(OleDbException SQLexc)
{
Response.Write("提取數據時出現錯誤：" + SQLexc.ToString());
}
}
protected string FormatURL(object strArgument)
{
return "ReadImage.ASPx?id=" + strArgument.ToString();
}
#region Web 窗體設計器生成的代碼
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 該調用是 ASP.Net Web 窗體設計器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內容。
/// </summary>
private void InitializeComponent()
{
this.Submit1.ServerClick += new System.EventHandler(this.Submit1_ServerClick);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Submit1_ServerClick(object sender, System.EventArgs e)
{
//得到提交的文件
Stream fileDataStream = MyFile.PostedFile.InputStream;
//得到文件大小
int fileLength = MyFile.PostedFile.ContentLength;
//創建數組
byte[] fileData = new byte[fileLength];
//把文件流填充到數組
fileDataStream.Read(fileData,0,fileLength);
//得到文件名字
string fileTitle = MyFileName.Value;
//得到文件類型
string fileType = MyFile.PostedFile.ContentType;
//構建數據庫連接，SQL語句，創建參數
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);
System.Data.OleDb.OleDbParameter paramPersonName = new OleDbParameter("@PersonName", System.Data.OleDb.OleDbType.VarChar,50);
paramPersonName.Value = fileTitle;
command.Parameters.Add(paramPersonName);
System.Data.OleDb.OleDbParameter paramPersonEmail = new OleDbParameter("@PersonEmail", System.Data.OleDb.OleDbType.VarChar,50);
paramPersonEmail.Value = "[email protected]";
command.Parameters.Add(paramPersonEmail);
System.Data.OleDb.OleDbParameter paramPersonSex = new OleDbParameter("@paramPersonSex", System.Data.OleDb.OleDbType.VarChar,50);
paramPersonSex.Value = "男";
command.Parameters.Add(paramPersonSex);
System.Data.OleDb.OleDbParameter paramPersonImageType = new OleDbParameter("@PersonImageType", System.Data.OleDb.OleDbType.VarChar,50);
paramPersonImageType.Value = fileType;
command.Parameters.Add(paramPersonImageType);
System.Data.OleDb.OleDbParameter paramPersonImage = new OleDbParameter("@PersonImage", System.Data.OleDb.OleDbType.Binary);
paramPersonImage.Value = fileData;
command.Parameters.Add(paramPersonImage);
//打開連接，執行查詢
myConnection.Open();
command.ExecuteNonQuery();
myConnection.Close();
}
}
}
