How to create LinkButton at runtime in C#.net

How to create LinkButton at runtime in C#.net

Server Side Code

Namespace

using System.IO;

Method

private void CreateLinkToDownload()

{

System.IO.DirectoryInfo dir =

new System.IO.DirectoryInfo("c:\backup\");

FileInfo[] files = dir.GetFiles("*.*");

if (files.Length > 1)

{

for (int count = 0; count < files.Length; count++)

{

//Open the link to download these file

LinkButton btnLnk = new LinkButton();

btnLnk.Text = files [count].ToString() + " <br>";

btnLnk.Visible = true;

btnLnk.CommandName = files [count].ToString();

btnLnk.Command += new CommandEventHandler(this.LinkButton_Click);

btnLnk.ID = arrLink[count].ToString();

// tdDownloadFiles == table defination in the client side with

// runat =server

this.tdDownloadFiles.Controls.Add(btnLnk);

}

}

}

protected void LinkButton_Click(object sender, CommandEventArgs e)

{

StartDownLoad(e.CommandName);

}

private void StartDownLoad(string filePath)

{

try

{

filePath = "C:\backup\"+ filePath;

//To download the file

FileInfo myFile = new FileInfo(filePath);

Response.Clear();

//To display open/save dialog box

Response.AddHeader("Content-Disposition", "attachment; filename=" + myFile.Name );

//Add the length into dialog box header (comment below line if you

// don't want pop up dialog box)

Response.AddHeader("Content-Length", myFile.Length.ToString());

Response.ContentType = "application/octet-stream";

//Response.ContentType = "application/pdf";

//write file into stream

Response.WriteFile(myFile.FullName);

Response.Flush();

Response.End();

}

catch (ThreadAbortException)

{ //ignore this }

catch (Exception Ex)

{ throw Ex; }

}

Client Side Code

<table border="0" id="trDownloadLonk" runat="server" width="100%">

<tr>

<td colspan="2">You can download following file</td>

</tr>

<tr>

<td id="tdDownloadFiles" runat="server" colspan="2"></td>

</tr>

</table>