How To- Create Zip FIle in ASP.Net Using C#, VB.Net

Here, I am explaining how to Create a zip file in ASp.Net Using C# and VB.Net. We can easily Create Zip Files Archives using DotNetZip Library.

In my previous posts, I explained Convert DataTable into List, Constructor Chainning in C#, Convert a Generic List to a Datatable, Get Property Names using Reflection in C#, Hard drive information using C#, Create Directory/Folder using C#, Check Internet Connection using C#, SQL Server Database BackUp using C# and some other articles related to C#, ASP.Net,  jQuery, Java Script and SQL Server.

For creating zip file add the reference of  Ionic.Zip.dll in your application and add following namespace-

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1	using Ionic.Zip;

Place one FileUpload control on aspx page and one button to upload files and create zip file in it's Click Event.

ASPX Page

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<asp:fileupload id="FileUpload1" runat="server"/> <asp:button id="btnUpload" onclick="btnUpload_Click" runat="server" text="Upload and Create Zip"/> </asp:button/>

Now write the following code on button's click event-
C# Code

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protected void btnUpload_Click(object sender, EventArgs e) {    try    {      string strFileName=string.Empty;      if (FileUpload1.HasFile)      {        //Get File Name                          strFileName = FileUpload1.FileName;                           //Get Location for saving uploaded file        string strFileLocation = Server.MapPath("~/UploadedFiles/"+strFileName);        //Saving the file in server        FileUpload1.SaveAs(strFileLocation);        //Create the Zip of uploaded file        using (ZipFile objZip = new ZipFile())        {           //Adding the file           objZip.AddFile(strFileLocation);           //Save the Zip file on required location           objZip.Save(Server.MapPath("~/UploadedFiles/MyZipFile.zip"));         }         //Delete the file from Server after Createing Zip         File.Delete(strFileLocation);         }      }    catch(Exception)    {      throw;    } }

VB.Net

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Protected Sub btnUpload_Click(sender As Object, e As EventArgs) Try     Dim strFileName As String = String.Empty     If FileUpload1.HasFile Then  'Get File Name                    strFileName = FileUpload1.FileName  'Get Location for saving uploaded file  Dim strFileLocation As String = Server.MapPath("~/UploadedFiles/" & strFileName)  'Saving the file in server  FileUpload1.SaveAs(strFileLocation)  'Create the Zip of uploaded file  Using objZip As New ZipFile()  'Adding the file  objZip.AddFile(strFileLocation)  'Save the Zip file on required location  objZip.Save(Server.MapPath("~/UploadedFiles/MyZipFile.zip"))  End Using  'Delete the file from Server after Createing Zip  File.Delete(strFileLocation)    End If Catch generatedExceptionName As Exception  Throw End Try End Sub

I hope this will be helpful for you. I would like to have any feedback from you. Your valuable feedback, question, or comments about this article are always welcome.