protected void btnSave_Click(object sender, EventArgs e)
    {
        ProductFile obj = new ProductFile();
        obj.Data = this.SetData();

        DataTable objtable = new DataTable();
        obj.SearchAll();
        objtable = obj.SearchAll();
        string strFileName = ConvertData.ConvertToString(txtFileName.Text.Trim());

        bool bcheck = true;

        int nResult = 0;

        string sAction = Request.QueryString[Constants.ACTION];
        switch (sAction)
        {
            case Constants.ACTION_ADD:
                nResult = obj.Insert();
                if (iptProductFile.Value != "")
                {
                    if (nResult > 0)
                    {
                        string sURL = Constants.ROOT + Pages.BackEnds.ADMIN + "?" + Constants.PAGE + "=" + Pages.BackEnds.STR_PRODUCTFILE + "&" + Constants.MESS_ID + "=" + Constants.MESSAGE_INSERT;
                        Response.Redirect(sURL);
                    }
                    else
                    {
                        MessageBoxss.Show(MessagesAlert.UPDATE_UNSUCCESSFUL);
                    }
                }
                else
                {
                    MessageBoxss.Show("File đính kèm chưa được thêm .");
                }

                break;
            case Constants.ACTION_EDIT:
                int nID = ConvertData.ConvertToInt(Request.QueryString[Constants.ACTION_ID]);
                nResult = obj.Update(nID);
                if (nResult > 0)
                {
                    string sURL = Constants.ROOT + Pages.BackEnds.ADMIN + "?" + Constants.PAGE + "=" + Pages.BackEnds.STR_PRODUCTFILE + "&" + Constants.MESS_ID + "=" + Constants.MESSAGE_UPDATE;
                    Response.Redirect(sURL);
                    //MessageBoxss.Show(MessagesAlert.UPDATE_SUCCESSFUL);
                }
                else
                    MessageBoxss.Show(MessagesAlert.UPDATE_UNSUCCESSFUL);
                break;
        }
    }
    private void BindProductFile()
    {
        DataTable dtbColor = new DataTable();
        ProductFile objColor = new ProductFile();
        dtbColor = objColor.SearchAll();

        rptProducFile.DataSource = dtbColor;
        rptProducFile.DataBind();
    }
 private void BindData()
 {
     DataTable objTable = new DataTable();
     ProductFile obj = new ProductFile();
     objTable = obj.SearchAll();
     RpProductCategory.DataSource = objTable;
     RpProductCategory.DataBind();
 }