//Button click edits details of exising Mask
        protected void UpdateMaskType_Click(object sender, EventArgs e)
        {
            //Get the Mask id
            int Mask_ID = Convert.ToInt32(MaskID.Value);
            //Conversion from String to Integer
            int admin = Convert.ToInt32(MaskAdmin.Value);

            string edit = SR.Edittype(MaskName.Value, MaskDescription.Value, admin, Mask_ID);

            //if edit is successful
            if (edit.Equals("updated"))
            {
                Response.Redirect("Home.aspx");
            }
            //if edit is unsuccessful
            else if (edit.Equals("unsuccessful update"))
            {
                error.Text    = "Mask edit changes not saved. ";
                error.Visible = true;
            }
            //if product doesn't exist.
            else if (edit.Equals("Mask does not exist"))
            {
                error.Text    = "Mask doesn't exist.";
                error.Visible = true;
            }
        }