听宁信息
此文出自:http://etning.5i4k.net/aspnet/display.aspx?id=12&Fid1=2&Fid2=4
XML
- <Guests> - <xsd:schema id="Guests" targetNamespace="" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"> - <xsd:element name="Guests" msdata:IsDataSet="true"> - <xsd:complexType> - <xsd:choice maxOccurs="unbounded"> - <xsd:element name="Files"> - <xsd:complexType> - <xsd:sequence> <xsd:element name="title" type="xsd:string" minOccurs="0" /> <xsd:element name="file" type="xsd:string" minOccurs="0" /> <xsd:element name="length" type="xsd:string" minOccurs="0" /> <xsd:element name="contenttype" type="xsd:string" minOccurs="0" /> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:choice> </xsd:complexType> </xsd:element> </xsd:schema> - <Files> <title>a</title> <file>C:\csharpexamples\banana.jpg</file> <length>1954</length> <contenttype>image/pjpeg</contenttype> </Files> - <Files> <title>b</title> <file>C:\csharpexamples\event.cs</file> <length>4883</length> <contenttype>application/octet-stream</contenttype> </Files> - <Files> <title>b</title> <file>C:\csharpexamples\event.cs</file> <length>4883</length> <contenttype>application/octet-stream</contenttype> </Files> - <Files> <title>ghjhhjgh</title> <file>D:\wwwroot\help.gif</file> <length>342</length> <contenttype>image/gif</contenttype> </Files> - <Files> <title>fghfghg</title> <file>D:\wwwroot\pagerror.gif</file> <length>2806</length> <contenttype>image/bmp</contenttype> </Files> - <Files> <title>sdfsfd</title> <file>D:\wwwroot\first.dll</file> <length>3584</length> <contenttype>application/octet-stream</contenttype> </Files> - <Files> <title>neelam</title> <file>D:\wwwroot\mmc.gif</file> <length>356</length> <contenttype>image/gif</contenttype> </Files> </Guests>
<-------------------!> UP.ASPX
<%@ Page Language="C#" EnableSessionState="False" %> <%@ Import Namespace="System" %> <%@ Import Namespace="System.IO" %> <%@ Import Namespace="System.Data" %> <%-- These are the imported namespaces needed to run the guest book --%>
<html> <head> <title>Uploading Files.</title> <script Language="C#" runat="server"> //This method is called when the upload button is clicked public void Submit_Click(Object sender, EventArgs e) { //the path to the Xml file which will contain all the data string dataFile = "db/upload.xml" ; try { //proceed only if the file is posted if(file.PostedFile!=null) { errmess.Text="" ; //Open a FileStream to the Database in read mode FileStream fin; fin= new FileStream(Server.MapPath(dataFile),FileMode.Open,FileAccess.Read,FileShare.ReadWrite); //Create a DataSet object DataSet guestData = new DataSet(); //Read data from the Database guestData.ReadXml(fin); fin.Close(); //extract the filename from the full file path string nam = file.PostedFile.FileName ; int i= nam.LastIndexOf("\\") ; string newnm =nam.Substring(i) ; //Create a new DataRow from the DataSet Schema DataRow newRow = guestData.Tables[0].NewRow(); //Fill the DataRow with form values newRow["title"]=title.Text; newRow["file"]=file.PostedFile.FileName; newRow["length"]=file.PostedFile.ContentLength.ToString(); newRow["contenttype"]=file.PostedFile.ContentType; //Add the row to the DataSet guestData.Tables[0].Rows.Add(newRow); //Create another filestream to the DataBase file in write mode FileStream fout ; fout = new FileStream(Server.MapPath(dataFile),FileMode.Open,FileAccess.Write,FileShare.ReadWrite); guestData.WriteXml(fout, XmlWriteMode.WriteSchema); fout.Close(); //Hide the Form Panel formPanel.Visible=false; //Display the view Panel thankPanel.Visible=true; } } catch (Exception edd) { //catch any other exception that occur errmess.Text="Cannot write to XML file because "+edd.ToString() ;
} } </script> </head> <LINK href="mystyle.css" type=text/css rel=stylesheet> <body topmargin="0" leftmargin="0" rightmargin="0" marginwidth="0" marginheight="0"> <%-- Include a header file 'header.inc' --%> <!-- #Include File="header.inc" --> <asp:label id="errmess" text="" style="color:#FF0000" runat="server" />
<asp:Panel id=formPanel runat="server" > <form runat="server" enctype="multipart/form-data" action="upload.aspx"> <table border="0" width="80%" align="Center"> <tr class="rowstyle" > <td>Title :</td> <td ><asp:textbox class="textstyle" text="" id="title" runat="server" /> <asp:RequiredFieldValidator ControlToValidate=title display=static runat=server>*</asp:RequiredFieldValidator></td> </tr> <tr class="rowstyle"> <td>File :</td> <td><input type="file" class="textstyle" text="" id="file" runat="server"/> <asp:RequiredFieldValidator ControlToValidate=file display=static runat=server>*</asp:RequiredFieldValidator></td> </tr> <tr class="rowstyle"> <td colspan="2" > <asp:Button class="buttonstyle" id="write" Text="Upload" onClick="Submit_Click" runat="server"/></td> </tr> </table> </form> </asp:Panel>
<asp:Panel id=thankPanel visible=false runat=server> <p class="messagestyle" align=center><b>Your file has been uploaded!</b><br></p> <p align="center"> <a href="show.aspx">Click here </a> to view Uploaded files.</p> </asp:Panel>
</body> </html>
show.aspx
<%@ Page Language="C#" %> <%@ Import Namespace="System" %> <%@ Import Namespace="System.IO" %> <%@ Import Namespace="System.Data" %> <%-- Needed Assembiles --%>
<html> <head> <title>Uploading files</title> <script language="C#" runat=server> //run the script when the Page is Loaded public void Page_Load(Object sender, EventArgs e) { //the path to the Xml file which will contain all the data string datafile = "db/upload.xml" ; try { //create a DataSet object DataSet guestData = new DataSet(); //Open a FileStream to the Database FileStream fin ; fin = new FileStream(Server.MapPath(datafile),FileMode.Open, FileAccess.Read,FileShare.ReadWrite) ; //Read the Database into the DataSet guestData.ReadXml(fin); fin.Close(); //Databind the first table in the Dataset to the Repeater MyDataList.DataSource = guestData.Tables[0].DefaultView; MyDataList.DataBind(); } catch (Exception ex) { //catch any other exceptions that occur errmess.Text="Cannot read from XML file because "+ex.ToString() ; } } </script> <LINK href="mystyle.css" type=text/css rel=stylesheet> </head> <body topmargin="0" leftmargin="0" marginwidth="0" marginheight="0" rightmargin="0"> <!-- #Include File="header.inc" --> <asp:label id="errmess" text="" style="color:#FF0000" runat="server" /> <br> <ASP:Repeater id="MyDataList" runat="server"> <headertemplate> <table width="100%" style="font: 8pt verdana" align="center"> <tr style="background-color:tan"> <th>Title</th> <th>File</th> <th>Length(In Bytes)</th> <th>Content Type</th> </tr> </headertemplate>
<itemtemplate> <tr style="background-color:beige"> <td> <%# DataBinder.Eval(Container.DataItem, "title") %> </td> <td> <%# DataBinder.Eval(Container.DataItem, "file") %> </td> <td> <%# DataBinder.Eval(Container.DataItem, "length") %> </td> <td> <%# DataBinder.Eval(Container.DataItem, "contenttype") %> </td> </tr> </itemtemplate> <footertemplate> </table> </footertemplate> </ASP:Repeater>
</body> </html>

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