MSDE Installation & Configuration

RW_Files | Email & Attachment| Directory| Upload|

<% Import Namespace=" System.io" %>

<% Import Namespace=" System.Web.Mail" %>

File (shared/static )	StreamReader	StreamWriter	Path	Directory(shared/static methods)
-CreateText() -AppendText() -OpenText()	-ReadLine()	WriteLine()	-GetFileName() -GetExtension() -GetDirectoryName() - GetFullPath()	-GetDirectories() -GetFiles() -GetFilesystemEntries()
BinaryFormatter	MailMessage (p)	SmtpMail		FileStream
-Serialize() -Deserialize()	From To Subject Body BodyFormat Attachments BCC	-SmtpServer (p) -Send()		-Open()

Write To File

StreamWriter objsw;
objsw=File.CreateText|AppendText(MapPath("file.txt") ; // CreateText & AppendText are shared method, no obj required.
objsw.WriteLine(" controlbox.Text"); // input from textbox
objsw.Close();

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Read From File

StreamReader objsr;
String input;
lblresult.Text=" ";
objsr=File.OpenText(MapPath("text.txt")); // MapPath=Start from current directory where .aspx is located
input=objsr.ReadLine(); //Read entire line

while(input !=null)
{

lblresult.Text+=input+"<br>" ;
input=objsr.ReadLine();
}

objsr.Close();

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Access File & Directories Information

void ViewDrive(Object s , EventArgs e)
{

switch (ddlDir.SelectedItem.Value)
{

case "Files" :
dgFD.DataSource=Directory.GetFiles("c:\\", " *.txt") ;
break;

case "Directories" :
dgFD.DataSource=Directory.GetDirectories("c:\\") ;
break;

case "Directories/Files" :
dgFD.DataSource=Directory.GetFileSystemEntries("c:\\") ;
break;

}
dgFD.DataBind();
}

</script>

<asp:DataGrid id="dgFD" runat="server" />
</form>

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Upload File Client to Server

void Upload(Object s , EventArgs e)
{

if( txtUpload.PostedFile!=null) // textbox not NULL
{
HttpPostedFile pf=txtUpload.PostedFile; // make obj pf to access to uploaded file
String filename=Path.GetFileName(pf.FileName); //pf.Filename = filename upload by user
pf.SaveAs("C:\\Temp\\MyDirectory\\"+filename);

lblMsg.Text="File has been uploaded";

}

</script>

<h3>Upload your file to server</h3>
<input id="txtUpload" type="file" runat="server" /> <p>

</form>

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Send Email & Multiple Attachment

1. Configure SMTP (provided by window, come along with IIS )
-Open IIS
-Right click Default SMTP Virtual Server> Properties
-Select Access > Relay
-click Add button
-Add Localhost or 127.0.0.1 // where email server is located
-uncheck Allow All computer

private void btnsend_Click(object sender, System.EventArgs e)
{
SendMail(txtfrom.Text ,txtto.Text,txtsubject.Text, txtmsg.Text);
}

protected void SendMail(String from ,String to, String subject, String body)
{
string [] files=hdnFiles.Value.TrimEnd(',').Split(','); //erase ,and split filename by comma , store in files

TRY
{
MailMessage objmail=new MailMessage();
MailAttachment attach;

for(int i=0;i<files.Length;i++)
{
attach=new MailAttachment(Server.MapPath("~\\upload\\")+files[i]); //~ and dot are root folder
objmail.Attachments.Add(attach);
}

objmail.From =from;
objmail.To=to;
objmail.Subject=subject;
objmail.Body=body;

SmtpMail.SmtpServer ="localhost";
SmtpMail.Send(objmail);
Session["message"]="your mail has been sent"; //Session Across pages
}
CATCH(Exception ex)
{
Session["message"]=ex.Message;
}
FINALLY
{

for(int i=0;i<files.Length;i++)
{
File.Delete(Server.MapPath("~\\upload\\")+files[i]); //Del uploaded files

}
Response.Redirect("Emailconfirm.aspx");
}
}

private void btnadd_Click(object sender, System.EventArgs e)
{
HttpPostedFile pf=txtupload.PostedFile; // make obj pf to access to uploaded file
String filename=Path.GetFileName(pf.FileName); //filename upload by user, System.IO
pf.SaveAs(Server.MapPath("upload\\")+filename);
hdnFiles.Value += filename + ","; //hidden field runat="server" store string of filename
lblMsg.InnerHtml+="<img src='images/attach.gif' title='" + filename + "'>" ;

}

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