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Design Pattern More

In this example, you will see how to delete copy and move a single file from a hard disk using C#/ VB.NET. You can delete copy and move a file using System.IO.File class which is inherited from System.IO. More

In this example, you will see how to get current windows username in asp.net. More

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In this example, i have told you how to download file from FTP using C#/VB.NET.Let's start Namespaces required: C# using System.Net;using System.IO; VB.NET Imports System.NetImports System.IO Following is the code of download file from the FTP Server. C# private void Download(string filePath, string fileName)    {        FTPSettings.IP = "DOMAIN NAME";        FTPSettings.UserID = "USER ID";        FTPSettings.Password = "PASSWORD";        FtpWebRequest reqFTP = null;        Stream ftpStream = null;        try        {            FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + FTPSettings.IP + "/" + fileName));            reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;            reqFTP.UseBinary = true;            reqFTP.Credentials = new NetworkCredential(FTPSettings.UserID, FTPSettings.Password);            FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();            ftpStream = response.GetResponseStream();            long cl = response.ContentLength;            int bufferSize = 2048;            int readCount;            byte[] buffer = new byte[bufferSize];            readCount = ftpStream.Read(buffer, 0, bufferSize);            while (readCount > 0)            {                outputStream.Write(buffer, 0, readCount);                readCount = ftpStream.Read(buffer, 0, bufferSize);            }            ftpStream.Close();            outputStream.Close();            response.Close();        }        catch (Exception ex)        {            if (ftpStream != null)            {                ftpStream.Close();                ftpStream.Dispose();            }            throw new Exception(ex.Message.ToString());        }    }    public static class FTPSettings    {        public static string IP { get; set; }        public static string UserID { get; set; }        public static string Password { get; set; }    } VB.NET    Private Sub Download(ByVal filePath As String, ByVal fileName As String)        FTPSettings.IP = "DOMAIN NAME"        FTPSettings.UserID = "USER ID"        FTPSettings.Password = "PASSWORD"        Dim reqFTP As FtpWebRequest = Nothing        Dim ftpStream As Stream = Nothing        Try            Dim outputStream As New FileStream(filePath + "\" + fileName, FileMode.Create)            reqFTP = DirectCast(FtpWebRequest.Create(New Uri("ftp://" + FTPSettings.IP + "/" + fileName)), FtpWebRequest)            reqFTP.Method = WebRequestMethods.Ftp.DownloadFile            reqFTP.UseBinary = True            reqFTP.Credentials = New NetworkCredential(FTPSettings.UserID, FTPSettings.Password)            Dim response As FtpWebResponse = DirectCast(reqFTP.GetResponse(), FtpWebResponse)            ftpStream = response.GetResponseStream()            Dim cl As Long = response.ContentLength            Dim bufferSize As Integer = 2048            Dim readCount As Integer            Dim buffer As Byte() = New Byte(bufferSize - 1) {}            readCount = ftpStream.Read(buffer, 0, bufferSize)            While readCount > 0                outputStream.Write(buffer, 0, readCount)                readCount = ftpStream.Read(buffer, 0, bufferSize)            End While            ftpStream.Close()            outputStream.Close()            response.Close()        Catch ex As Exception            If ftpStream IsNot Nothing Then                ftpStream.Close()                ftpStream.Dispose()            End If            Throw New Exception(ex.Message.ToString())        End Try    End Sub    Public NotInheritable Class FTPSettings        Private Sub New()        End Sub        Public Shared Property IP() As String            Get                Return m_IP            End Get            Set(ByVal value As String)                m_IP = Value            End Set        End Property        Private Shared m_IP As String        Public Shared Property UserID() As String            Get                Return m_UserID            End Get            Set(ByVal value As String)                m_UserID = Value            End Set        End Property        Private Shared m_UserID As String        Public Shared Property Password() As String            Get                Return m_Password            End Get            Set(ByVal value As String)                m_Password = Value            End Set        End Property        Private Shared m_Password As String    End Class Download DownloadFile.zip (1.24 kb) You can use Download function in both asp.net and Windows Form csharp/VB.Net Application.

In this example, i have told you how to create a directory on FTP Server using C#/VB.NET.Let's start Namespaces required: C# using System.Net;using System.IO; VB.NET Imports System.NetImports System.IO Following is the code of create directory on the FTP Server. C# private void MakeDir(string dirName)    {        FTPSettings.IP = "DOMAIN NAME";        FTPSettings.UserID = "USER ID";        FTPSettings.Password = "PASSWORD";        FtpWebRequest reqFTP = null;        Stream ftpStream = null;        try        {            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + FTPSettings.IP + "/" + dirName));            reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;            reqFTP.UseBinary = true;            reqFTP.Credentials = new NetworkCredential(FTPSettings.UserID, FTPSettings.Password);            FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();            ftpStream = response.GetResponseStream();            ftpStream.Close();            response.Close();        }        catch (Exception ex)        {            if (ftpStream != null)            {                ftpStream.Close();                ftpStream.Dispose();            }            throw new Exception(ex.Message.ToString());        }    }    public static class FTPSettings    {        public static string IP { get; set; }        public static string UserID { get; set; }        public static string Password { get; set; }    } VB.NET   Private Sub MakeDir(ByVal dirName As String)        FTPSettings.IP = "DOMAIN NAME"        FTPSettings.UserID = "USER ID"        FTPSettings.Password = "PASSWORD"        Dim reqFTP As FtpWebRequest = Nothing        Dim ftpStream As Stream = Nothing        Try            reqFTP = DirectCast(FtpWebRequest.Create(New Uri("ftp://" + FTPSettings.IP + "/" + dirName)), FtpWebRequest)            reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory            reqFTP.UseBinary = True            reqFTP.Credentials = New NetworkCredential(FTPSettings.UserID, FTPSettings.Password)            Dim response As FtpWebResponse = DirectCast(reqFTP.GetResponse(), FtpWebResponse)            ftpStream = response.GetResponseStream()            ftpStream.Close()            response.Close()        Catch ex As Exception            If ftpStream IsNot Nothing Then                ftpStream.Close()                ftpStream.Dispose()            End If            Throw New Exception(ex.Message.ToString())        End Try    End Sub    Public NotInheritable Class FTPSettings        Private Sub New()        End Sub        Public Shared Property IP() As String            Get                Return m_IP            End Get            Set(ByVal value As String)                m_IP = Value            End Set        End Property        Private Shared m_IP As String        Public Shared Property UserID() As String            Get                Return m_UserID            End Get            Set(ByVal value As String)                m_UserID = Value            End Set        End Property        Private Shared m_UserID As String        Public Shared Property Password() As String            Get                Return m_Password            End Get            Set(ByVal value As String)                m_Password = Value            End Set        End Property        Private Shared m_Password As String    End Class Download CreateDirectory.zip.zip (1.10 kb) You can use this function in both asp.net and Windows Form csharp/VB.Net Application.

In this example, i have told you how to Rename file name on FTP server. FTP (File Transfer protocol) is used to transfer a file on another server. To Rename File name on FTP server you must have IP Address, username and password to connect to FTP server.Let's start. Namespace required to work FtpWebRequest and Stream Class. C#using System.Net;using System.IO;VB.NETImports System.NetImports System.IO Rename Filename on FTP Server function C#    private void RenameFileName(string currentFilename, string newFilename)    {        FTPSettings.IP = "DOMAIN NAME";        FTPSettings.UserID = "USER ID";        FTPSettings.Password = "PASSWORD";        FtpWebRequest reqFTP = null;        Stream ftpStream = null ;        try        {            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + FTPSettings.IP + "/" + currentFilename));            reqFTP.Method = WebRequestMethods.Ftp.Rename;            reqFTP.RenameTo = newFilename;            reqFTP.UseBinary = true;            reqFTP.Credentials = new NetworkCredential(FTPSettings.UserID, FTPSettings.Password);            FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();            ftpStream = response.GetResponseStream();            ftpStream.Close();            response.Close();        }        catch (Exception ex)        {            if (ftpStream != null)            {                ftpStream.Close();                ftpStream.Dispose();            }            throw new Exception(ex.Message.ToString());        }    }    public static class FTPSettings    {        public static string IP { get; set; }        public static string UserID { get; set; }        public static string Password { get; set; }    } VB.NET    Private Sub RenameFileName(ByVal currentFilename As String, ByVal newFilename As String)        FTPSettings.IP = "DOMAIN NAME"        FTPSettings.UserID = "USER ID"        FTPSettings.Password = "PASSWORD"        Dim reqFTP As FtpWebRequest = Nothing        Dim ftpStream As Stream = Nothing        Try            reqFTP = DirectCast(FtpWebRequest.Create(New Uri("ftp://" + FTPSettings.IP + "/" + currentFilename)), FtpWebRequest)            reqFTP.Method = WebRequestMethods.Ftp.Rename            reqFTP.RenameTo = newFilename            reqFTP.UseBinary = True            reqFTP.Credentials = New NetworkCredential(FTPSettings.UserID, FTPSettings.Password)            Dim response As FtpWebResponse = DirectCast(reqFTP.GetResponse(), FtpWebResponse)            ftpStream = response.GetResponseStream()            ftpStream.Close()            response.Close()        Catch ex As Exception            If ftpStream IsNot Nothing Then                ftpStream.Close()                ftpStream.Dispose()            End If            Throw New Exception(ex.Message.ToString())        End Try    End Sub    Public NotInheritable Class FTPSettings        Private Sub New()        End Sub        Public Shared Property IP() As String            Get                Return m_IP            End Get            Set(ByVal value As String)                m_IP = Value            End Set        End Property        Private Shared m_IP As String        Public Shared Property UserID() As String            Get                Return m_UserID            End Get            Set(ByVal value As String)                m_UserID = Value            End Set        End Property        Private Shared m_UserID As String        Public Shared Property Password() As String            Get                Return m_Password            End Get            Set(ByVal value As String)                m_Password = Value            End Set        End Property        Private Shared m_Password As String    End Class   Function to used as C# RenameFileName("file1.txt","file2.text"); VB.NET RenameFileName("file1.txt","file2.text") You can use this function on both website and desktop Application Download FTP Rename FileName.zip.zip (1.10 kb)

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