File Upload -- c #

Last Update:2018-12-06 Source: Internet

Author: User

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Principle: Read the file to be uploaded into a byte array! In the specified path on the server side, generate a file and write this byte array!
I. File. aspx file code:

<% @ Page Language = "C #" AutoEventWireup = "true" CodeFile = "FileUpLoad. aspx. cs" Inherits = "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 id = "Head1" runat = "server">
<Title> Publish Water Information </title>
<Link rel = "stylesheet" type = "text/css" href = "css/style.css"/>

</Head>

<Script type = "text/javascript">
SEP_PADDING = 5
HANDLE_PADDING = 7

Var yToolbars = new Array ();
Var YInitialized = false;
Var pureText = true
Var bodyTag = "
Public_description = new Editor
// Enable IFRAME to write values

Function document. onreadystatechange (){
HtmlEdit.doc ument. open ();
HtmlEdit.doc ument. write (bodyTag );
HtmlEdit.doc ument. close ();
HtmlEdit.doc ument. designMode = "On ";
}

Function InitBtn (btn)
{
Btn. onmouseover = BtnMouseOver;
Btn. onmouseout = BtnMouseOut;
Btn. onmousedown = BtnMouseDown;
Btn. onmouseup = BtnMouseUp;
Btn. YINITIALIZED = true;
Return true;
}

// Footer display
Function BtnMouseOver ()
{
If (event. srcElement. tagName! = "IMG") return false;
Var image = event. srcElement;
Var element = image. parentElement;

If (image. className = "Ico") element. className = "BtnMouseOverUp ";
Else if (image. className = "IcoDown") element. className = "BtnMouseOverDown ";

Event. cancelBubble = true;
}

Function BtnMouseOut ()
{
If (event. srcElement. tagName! = "IMG "){
Event. cancelBubble = true;
Return false;
}

Var image = event. srcElement;
Var element = image. parentElement;
YRaisedElement = null;

Element. className = "Btn ";
Image. className = "Ico ";

Event. cancelBubble = true;
}

Function BtnMouseDown ()
{
If (event. srcElement. tagName! = "IMG "){
Event. cancelBubble = true;
Event. returnValue = false;
Return false;
}

Var image = event. srcElement;
Var element = image. parentElement;

Element. className = "BtnMouseOverDown ";
Image. className = "IcoDown ";

Event. cancelBubble = true;
Event. returnValue = false;
Return false;
}

Function BtnMouseUp ()
{
If (event. srcElement. tagName! = "IMG "){
Event. cancelBubble = true;
Return false;
}

Var image = event. srcElement;
Var element = image. parentElement;

If (element. YUSERONCLICK) eval (element. YUSERONCLICK + "anonymous ()");

Element. className = "BtnMouseOverUp ";
Image. className = "Ico ";

Event. cancelBubble = true;
Return false;
}
// Font color

Function format (what, opt)
{
If (opt = "removeFormat ")
{
What = opt;
Opt = null;
}

If (opt = null) HtmlEdit.document.exe cCommand (what );
Else HtmlEdit.document.exe cCommand (what, "", opt );

PureText = false;
HtmlEdit. focus ();
}

Function foreColor ()
{
Var arr = document. all. dlgHelper. ChooseColorDlg ();
Arr = arr. toString (16 );
If (arr! = Null) format ('forecolor', arr );
Else HtmlEdit. focus ();
}
// Upload
Function test ()
{

Var str=HtmlEdit.doc ument. body. innerHTML;

Var str1 = document. getElementById ("FileUpLoad"). value;
Var str2 = document. getElementById ("txtTitle"). value;
Var str3 = document. getElementById ("txtUser"). value;
If (str1 = "")
{
Alert ("Select Upload File! ");
Document. getElementById ("FileUpLoad"). focus ();
Return;
}

If (str2 = "")
{
Alert ("Enter the file title! ");
Document. getElementById ("txtTitle"). focus ();
Return;
}

If (str3 = "")
{
Alert ("Enter the uploaded person! ");
Document. getElementById ("txtUser"). focus ();
Return;
}

Var GetObj = eval ("XinXiFaBuPage ");

Var strFileName = GetObj. GetFileInfo (str1). value;

If (strFileName = "0 ")
{
Alert (strFileName );
Return;
}

Var strResult=GetObj.Insert(str3,strFileName,HtmlEdit.doc ument. body. innerHTML, str2). value;
If (strResult = "1 ")
{
Alert ("File Uploaded successfully! ");
}
Else
{
Alert ("database write failed! ");
}
}
</Script>

<Body>

<Form id = "form1" enctype = "multipart/form-data" runat = "server">
<Div align = "center">
<Table class = "STB" border = "1" width = "470px">
<Tr>
<Td colspan = "2" height = "100px" class = "SC _ B SF_T" align = "center"> water condition information release
</Td>
</Tr>

<Tr>
<Td class = "SF_BL" width = "147px" height = "35px" align = "right">
File name </td>
<Td align = "left">
<Input type = "file" id = "FileUpLoad" runat = "server" style = "width: 295px"/>
</Td>
</Tr>

<Tr>
<Td class = "SF_BL" width = "147px" height = "35px" align = "right">
Title </td>
<Td class = "SF_BR" width = "300px" align = "left" style = "height: 35px">
<Asp: TextBox ID = "txtTitle" runat = "server" Width = "288px"> </asp: TextBox>
</Td>
</Tr>

<Tr>
<Td class = "SF_BL" width = "147px" height = "35px" align = "right">
Plain text </td>

<Td class = "SF_BR" width = "300px" height = "165px" align = "left">
& nbsp;

<Select language = "javascript" id = "select1" onChange = "format ('fontname', this [this. selectedIndex]. value); "name =" select "onMouseOver =" window. status = 'select the font of the selected text. '; Return true; "onMouseOut =" window. status = ''; return true;" style = "width: 62px">
<! -- <Select name = "selectFont" onChange = "format ('fontname', selectFont. options [selectFont. selectedIndex]. value); selectFont. options [0]. selected = true; "style =" font-family:; font-size: 9pt "onMouseOver =" window. status = 'select the font of the selected text. '; Return true; "onMouseOut =" window. status = ''; return true;"> -->
<Option value = ""> </option>
<Option value = "_ GB2312"> </option>
<Option value = ""> </option>
<Option value = ""> </option>
<Option value = ""> </option>
<Option value = ""> </option>
<OPTION value = "Andale Mono"> Andale Mono </OPTION>
<OPTION value = Arial> Arial </OPTION>
<OPTION value = "Arial Black"> Arial Black </OPTION>
<OPTION value = "Book Antiqua"> Book Antiqua </OPTION>
<OPTION value = "Century Gothic"> Century Gothic </OPTION>
<OPTION value = "Comic Sans MS"> Comic Sans MS </OPTION>
<OPTION value = "Courier New"> Courier New </OPTION>
<OPTION value = Georgia> Georgia </OPTION>
<OPTION value = Impact> Impact </OPTION>
<OPTION value = Tahoma> Tahoma </OPTION>
<OPTION value = "Times New Roman"> Times New Roman </OPTION>
<OPTION value = "Trebuchet MS"> Trebuchet MS </OPTION>
<OPTION value = "Script MT Bold"> Script MT Bold </OPTION>
<OPTION value = stenpencil> stenpencil </OPTION>
<OPTION value = Verdana> Verdana </OPTION>
<OPTION value = "Lucida Console"> Lucida Console </OPTION>
</Select>
<Select language = "javascript" id = "select2" title = "font size" onChange = "format ('fontsize', this [this. selectedIndex]. value); "name =" select "onMouseOver =" window. status = 'select the font size of the selected text. '; Return true; "onMouseOut =" window. status = ''; return true;">
<Option value = "7"> 1
<Option value = "6"> 2
<Option value = "5"> 3
<Option value = "4"> Number 4
<Option value = "3"> 5
<Option value = "2"> 6th
<Option value = "1"> 7 </option>
</Select>
<Iframe class = "HtmlEdit" id = "HtmlEdit" MARGINHEIGHT = "1" MARGINWIDTH = "1" width = "280" height = "135" scrolling = "auto" style =" width: 292px ">
</Iframe>

</Td>
</Tr>

<Tr>
<Td class = "SF_BL" width = "147px" height = "35px" align = "right">
Uploaded By </td>
<Td class = "SF_BR" width = "300px" align = "left" style = "height: 35px">
<Asp: TextBox ID = "txtUser" runat = "server" Width = "284px"> </asp: TextBox>
</Td>
</Tr>
<Tr>
<Td colspan = "2" class = "SC _ B" height = "50px" align = "center">
<Input type = "button" value = "Submit" onclick = "test ()"/>
</Td>
</Tr>
</Table>
<OBJECT id = "dlgHelper" CLASSID = "clsid: 3050f819-98b5-11cf-bb82-00aa00bdce0b" width = "0px" height = "0px"> </OBJECT>
</Div>
</Form>
</Body>
</Html>
II. Background File, FileUpLoad. aspx. 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;
Using System. Xml;
Using AjaxPro;
Using System. IO;
Using System. Text;
Using System. Data. SqlClient;
Using BaseCommon. DbCommon;
Using BaseCommon. Exp;
Using BaseCommon. ValueObject;

Public partial class FileUpLoad: BaseCommon. BasePage. BasePage
{
Protected void Page_Load (object sender, EventArgs e)
{
AjaxPro. Utility. RegisterTypeForAjax (typeof (XinXiFaBuPage ));
}

/// <Summary>
/// File Upload
/// </Summary>
/// <Param name = "strFile"> client file path </param>
/// <Returns> </returns>
[AjaxPro. AjaxMethod ()]
Public string GetFileInfo (string strFile)
{

FileStream fs = new FileStream (strFile, FileMode. Open, FileAccess. Read );
BinaryReader binReader = new BinaryReader (fs );
Byte [] buffer = binReader. ReadBytes (int) fs. Length );
BinReader. Close ();

// File Extension

String strExtension = System. IO. Path. GetExtension (strFile );

// File name

String strWithoutExtension = System. IO. Path. GetFileNameWithoutExtension (strFile );
String strFileTemp = strWithoutExtension + strExtension;

WebService web = new WebService ();

Web. bytes = buffer;
Try
{
Web. CreatFile (Server. MapPath ("../") + "Config. config", strFileTemp );

Return strFileTemp;
}
Catch (Exception ex)
{
Return Server. MapPath ("../") + "Config. config ";
}

Return strFileTemp;
}

# Region add data to the database

/// <Summary>
/// Add data to the database

/// </Summary>
/// <Param name = "strUser"> uploaded by </param>
/// <Param name = "strFile"> file name </param>
/// <Param name = "strInfo"> file description </param>
/// <Param name = "strTitle"> file title </param>
[AjaxPro. AjaxMethod ()]
Public string Insert (string strUser, string strFile, string strInfo, string strTitle)
{
Try
{
// Method to start log output
FxLog. StartMethodLog ("XinXiFaBuPage. aspx. cs", "Insert ");

String dtNow = DateTime. Now. ToString ();

// Open the connection
DataBase db = new DataBase ();

Db. OpenConn ();

SqlConnection scon = db. GetConn ();

// Set the command SQL statement
String strSQL = "insert into SL_FILEINFO (USRNAME, TM, FILENAME, TITLE, CONTENT) Values ('" + strUser + "', '" + dtNow + "', '"+ strFile +"', '"+ strTitle +"', '"+ strInfo + "')";
SqlCommand Cmd = new SqlCommand (strSQL, scon );

// Execute
Cmd. ExecuteNonQuery ();

// Close the database

Scon. Close ();

// Method to end log output
FxLog. EndMethodLog ("XinXiFaBuPage. aspx. cs", "Insert ");

Return "1 ";
}
Catch (Exception ex)
{
// Handle error logs
LogVo. LogLevel = SysLog. LogLevel. ERROR;
LogVo. ex = ex;
LogVo. LogMsg = "";
FxLog. LogWrite (logVo );
Throw new UIException (ex );
Return "0 ";
}
}

# Endregion

}

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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File Upload -- c #

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