private void btnSave_Click(object sender, EventArgs e)
        {
            try
            {
                string resp = "";
                if (txtNameConfig.Text == string.Empty || txtidcategory.Text == string.Empty || txtCode.Text == string.Empty)
                {
                    MessageError("Fill the fields");
                    errorIcon.SetError(txtNameConfig, "Insert the name");
                    errorIcon.SetError(txtidcategory, "Insert the category id");
                    errorIcon.SetError(txtCode, "Insert the code");
                }
                else
                {
                    System.IO.MemoryStream ms = new System.IO.MemoryStream();
                    this.pxImage.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
                    byte[] image = ms.GetBuffer();

                    if (this.eNew)
                    {
                        resp = BProduct.Insert(this.txtCode.Text, this.txtNameConfig.Text,
                                               this.txtDescription.Text, image, Convert.ToInt32(this.txtidcategory.Text),
                                               Convert.ToInt32(this.cbPresentation.SelectedValue));
                    }
                    else
                    {
                        resp = BProduct.Edit(Convert.ToInt32(this.txtIdProduct.Text), this.txtCode.Text, this.txtNameConfig.Text,
                                             this.txtDescription.Text, image, Convert.ToInt32(this.txtidcategory.Text),
                                             Convert.ToInt32(this.cbPresentation.SelectedValue));
                    }

                    if (resp.Equals("OK"))
                    {
                        if (this.eNew)
                        {
                            this.MessageOk("Register saved");
                        }
                        else
                        {
                            this.MessageOk("Register Edited");
                        }
                    }
                    else
                    {
                        this.MessageError(resp);
                    }

                    this.eNew  = false;
                    this.eEdit = false;
                    this.Enabledbuttons();
                    this.Clean();
                    this.ShowValues();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message + ex.StackTrace);
            }
        }