public static string SQLSERVERNAME = "";
  public static string HMSTENANTDB;
  public static string SQLLOGIN;
  public static string SQLPASSWORD;

    public override void Commit(IDictionary savedState)
    {
    base.Commit(savedState);
    try
    {
    SQLSERVERNAME = Context.Parameters["SQLSERVERNAME"];
    HMSTENANTDB = Context.Parameters["HMSTENANTDB"];
    SQLLOGIN = Context.Parameters["SQLLOGIN"];
    SQLPASSWORD = Context.Parameters["SQLPASSWORD"];
    }
    catch (Exception e)
    {
    MessageBox.Show("Failed to update the application configuration file : " + e.Message);
    base.Rollback(savedState);
    }
    }

InstallerSetup InsSetup = new InstallerSetup();
string Vsqlserver = InsSetup.Installers.Count.ToString();
string Vtenant = "";
if (InsSetup.Context != null)
{
Vtenant = InsSetup.Context.Parameters["HMSTENANTDB"];
}
else
{
Vtenant = "context is null";
}