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ASP. NET upload file instance code

Source: Internet
Author: User
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<% @ Page Language = "C #" autoeventwireup = "true" codefile = "fileupload. aspx. cs" inherits = "em_fileupload" %>

<! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<HTML xmlns = "http://www.w3.org/1999/xhtml">
<Head runat = "server">
<Title> Upload File </title>
<Base target = _ Self/>
</Head>
<Body>
<Form ID = "form1" runat = "server">
<Div style = "margin: 10px;">
<Fieldset style = "width: 300px;"> <legend style = "font-size: small;"> Upload File </legend>
<Table Style = "width: 300px;">
<Tr>
<TD>
<Asp: Label id = "label1" runat = "server" text = "Please control the hosts file within 10 MB! "Font-size =" small "forecolor =" red "> </ASP: Label> </TD>
</Tr>
<Tr>
<TD style = "width: 300px">
<Asp: fileupload id = "fuselect" runat = "server" width = "296px"/> </TD>
</Tr>
<Tr>
<TD style = "width: 300px">
& Nbsp; & nbsp;
<Asp: button id = "btnyes" runat = "server" text = "upper limit" tooltip = "confirm to use this file and exit! "
Onclick = "btnyes_click"/>
& Nbsp;
<Asp: button id = "btnno" runat = "server" text = "" tooltip = "and exit"
Onclick = "btnno_click"/>
</TD>
</Tr>
</Table>

</Fieldset>
</Div>
</Form>
</Body>
</Html>

 

 

// ********** CS

 

Using system;
Using system. Data;
Using system. configuration;
Using system. collections;
Using system. Web;
Using system. Web. Security;
Using system. Web. UI;
Using system. Web. UI. webcontrols;
Using system. Web. UI. webcontrols. webparts;
Using system. Web. UI. htmlcontrols;

Public partial class em_fileupload: system. Web. UI. Page
{
Protected void page_load (Object sender, eventargs E)
{
Response. expires = 0;
Response. cache. setnostore ();
Response. appendheader ("Pragma", "No-Cache ");

}
Protected void btnyes_click (Object sender, eventargs E)
{
If (fuselect. hasfile)
{
Try
{
String filepath = system. Web. httpcontext. Current. Request. mappath ("datum") + "\" + request. querystring ["shipid"]. tostring ();
If (! System. Io. Directory. exists (filepath ))
System. Io. Directory. createdirectory (filepath );

Fuselect. saveas (filepath + "\" + fuselect. filename );
// Label2.text = ":" + fuselect. postedfile. filename + "<br>" +
// "File name:" + system. Io. Path. getfilename (fuselect. filename) + "<br>" +
// "File size:" + fuselect. postedfile. contentlength + "kb <br> ";
// Label1.text = system. Io. Path. getfilename (fuselect. filename). tostring (). Trim ();
// Session ["shipment"] = system. Io. Path. getfilename (fuselect. filename). tostring (). Trim ();
// Ibtnyes. Enabled = true;
}
Catch (exception ex)
{
Label1.text = "sending response failed:" + ex. Message. tostring ();
Return;
// Ibtnyes. Enabled = false;
}
}
Else
{
Label1.text = "Please select the file to be uploaded! ";
Return;

}

// Page. registerstartupscript ("mobilemsg", "<SCRIPT> specify dialogarguments.doc ument. getelementbyid ('ctl00 _ contentplaceholder=lblequphoto '). innerhtml = '"+ label1.text. tostring () + "'; </SCRIPT> ");
Page. registerstartupscript ("cancelselect", "<SCRIPT> self. Close (); </SCRIPT> ");
}
Protected void btnno_click (Object sender, eventargs E)
{
Page. registerstartupscript ("cancelselect", "<SCRIPT> self. Close (); </SCRIPT> ");
}
}

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