To run Sql script in C#

To run sql script in C# and the script is executed at the back end. Use a File upload control in the apsx page with button.
 protected void UploadButton_Click(object sender, EventArgs e)
 {
 if (FileUpload1.HasFile)
 {
 try
 {
 string filename = Path.GetFileName(FileUpload1.FileName); FileUpload1.SaveAs(Server.MapPath("~/SQL/") + filename);
 string script = File.ReadAllText(Server.MapPath("~/SQL/") + filename);
 using (SqlConnection conn = new SqlConnection(CS))
 {
 SqlCommand sqlCmd = new SqlCommand(script, conn);
 conn.Open();
 Server server = new Server(new ServerConnection(conn)); server.ConnectionContext.ExecuteNonQuery(script);
 StatusLabel.Text = "Upload status: "+filename+" is uploaded successfully!";
 }
 }
 catch (Exception ex)
 {
 StatusLabel.Text = "Upload status: The file could not be uploaded. The following error occured: " + ex.Message;
 }
 }
 }