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ASP.NET2.0中將檔案上傳到Access資料庫

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Access資料庫代碼

 

<%@ Page Language="C#" EnableViewState="true" %><%@ Import Namespace="System.Data.OleDb" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server">protected void Button1_Click( object sender, EventArgs e ){System.IO.Stream fileDataStream = FileUpload1.PostedFile.InputStream;if (fileDataStream.Length < 1){Msg.Text = "請選擇檔案。";return;}//得到檔案大小int fileLength = FileUpload1.PostedFile.ContentLength;//建立數組byte[] fileData = new byte[fileLength];//把檔案流填充到數組fileDataStream.Read(fileData, 0, fileLength);//得到檔案類型string fileType = FileUpload1.PostedFile.ContentType;//構建資料庫連接，SQL語句，建立參數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);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);//開啟串連，執行查詢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("提取資料時出現錯誤：" + SQLexc.ToString());}}protected string FormatURL( object strArgument ){return "ReadImage.aspx?id=" + strArgument.ToString();}</script><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><title>上傳檔案到資料庫</title></head><body><form id="MengXianhui" runat="server"><asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false"><Columns><asp:TemplateField><ItemTemplate><%#Eval("PersonName") %></ItemTemplate></asp:TemplateField><asp:TemplateField><ItemTemplate><%#Eval("PersonEmail") %></ItemTemplate></asp:TemplateField><asp:TemplateField><ItemTemplate><%#Eval("PersonSex") %></ItemTemplate></asp:TemplateField><asp:TemplateField><ItemTemplate><img src="<%#FormatURL(Eval("PersonID")) %>" /></ItemTemplate></asp:TemplateField></Columns></asp:GridView><br /><br />姓名：<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />照片：<asp:FileUpload ID="FileUpload1" runat="server" /><asp:Button ID="btnUpload" runat="server" Text="上傳" OnClick="Button1_Click"></asp:Button><p><asp:Label ID="Msg" runat="server" ForeColor="Red"></asp:Label></p></form></body></html>

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