protected void BtnAdd_Click(object sender, EventArgs e)
 {
     if (Page.IsValid)
     {
         Brand brand = new Brand();
         if (brand.AddBrand(txtName.Text))
         {
             StatusLbl.Text      = "Data has saved successfully";
             StatusLbl.ForeColor = System.Drawing.Color.Green;
             FillGridView();
             txtName.Text = "";
         }
         else
         {
             StatusLbl.Text      = "Data has not saved successfully";
             StatusLbl.ForeColor = System.Drawing.Color.Red;
         }
     }
 }