protected void btnsubmit_Click(object sender, EventArgs e)
    {
        using (parameter obj = new parameter())
        {
            obj._name = txtpname.Text.ToString();
            obj._res  = txtres.Text.ToString();

            //if (fusproduct.HasFile)
            //{
            //    obj._sproduct = fusproduct.FileName.ToString();
            //    fusproduct.SaveAs(Server.MapPath("upload\\sample\\") + fusproduct.FileName.ToString());
            //}

            if (ckbactive.Checked == true)
            {
                obj._active = true;
            }
            else
            {
                obj._active = false;
            }
            obj._cid = Convert.ToInt64(ddlcategory.SelectedValue);
            if (btnsubmit.Text == "Update")
            {
                obj._id = Convert.ToInt64(Request.QueryString["id"].ToString());
                obj.parameter_update();
                Response.Redirect("Parameterrepeater.aspx?flag=edit");
            }
            else
            {
                obj.parameter_insert();
                Response.Redirect("Parameterrepeater.aspx?flag=add");
            }
        }
    }