Rewriting windows c# code to asp net c#

Question

Sir,

 

How to write this windows code to asp.net webform using c#? 

 

using (SaveFileDialog saveDialog = new SaveFileDialog())

{

saveDialog.Filter = "Word document (*.docx)|*.docx";

saveDialog.InitialDirectory = Environment.CurrentDirectory;

saveDialog.RestoreDirectory = true;

saveDialog.DefaultExt = "docx";

if (saveDialog.ShowDialog() == DialogResult.OK)

{

FileStream fs = File.Create(saveDialog.FileName);

tbxFile.Text = saveDialog.FileName;

this.btnCreateChart.Enabled = true;

fs.Close();

}

}