How to save excel file from webBrowser control in windows application.

//Don't forget the directive
using System.Net;

...

private void webBrowser1_Navigating_1(object sender, WebBrowserNavigatingEventArgs e)
{
    //Provide the path and file name for the download
    string targetPath = @"C:\ExcelFileTarget\MyDownLoadedExcelFile.xlsx";
    //Create a web client and the event for the download
    WebClient client = new WebClient();  
    client.DownloadFileCompleted += new AsyncCompletedEventHandler(client_DownloadFileCompleted);
    //Place the file in the desired folder.
    client.DownloadFileAsync(e.Url, targetPath);  
}

private void button1_Click(object sender, EventArgs e)
{
    //Use what ever method you want to load the file into the browser    
    downloadMyExcelFile();
}

private void downloadMyExcelFile()
{
    //As the file is loaded let's use the navigate event 
    //to trigger the file download. There should be a test to 
    //assure there is a file to upload.
    string urlPath = @"C:\ExcelFileSource\MyExcelFile.xlsx";
    webBrowser1.Navigate(urlPath);
}

void client_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
    //This event can be left empty, but the event needs to happen
    MessageBox.Show("File downloaded");
}