ASP.NET2.0中将文件上传到SQL Server数据库代码

作者：简简单单 2008-04-03

SQL Server数据库代码

<%@ Page Language="C#" EnableViewState="true" %> <%@ Import Namespace="System.Data.SqlClient" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> string strCnn = "Persist Security Info=False;User ID=sa;Password=;Initial Catalog=Book;Server=(local);"; 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 SqlConnection myConnection = new SqlConnection(strCnn); SqlCommand command = new SqlCommand("INSERT INTO UserPhoto (UserName,ContentType,Photo)" + "VALUES (@UserName,@ContentType,@Photo)", myConnection); command.Parameters.AddWithValue("@UserName", TextBox1.Text); command.Parameters.AddWithValue("@ContentType", fileType); command.Parameters.AddWithValue("@Photo", 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( ) { SqlConnection myConnection = new SqlConnection(strCnn); SqlCommand myCommand = new SqlCommand("SELECT * FROM UserPhoto Order By id DESC", myConnection); try { myConnection.Open(); GridView1.DataSource = myCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection); GridView1.DataBind(); } catch (Exception 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(); } </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server"> <title>上传文件到数据库</title> </head> <body> <form id="MengXianhui" runat="server"> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false"> <Columns> <asp:TemplateField> <ItemTemplate> <%#Eval("UserName") %> </ItemTemplate> </asp:TemplateField> <asp:TemplateField> <ItemTemplate> <a href="<%#FormatURL(Eval(" class="js-smartPhoto" target="_blank"><img src="<%#FormatURL(Eval("id")) %>" /></a></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="上传" OnClick="Button1_Click"></asp:Button> <p> <asp:Label ID="Msg" runat="server" ForeColor="Red"></asp:Label></p> </form> </body> </html>

ASP.NET2.0中将文件上传到SQL Server数据库代码

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