protected void btnSave_Click(object sender, EventArgs e)
 {
     try
     {
         prodObj             = new ProductClass();
         prodObj.description = txtDescription.Text.Trim();
         prodObj.unitPrice   = txtUnitPrice.Text.Trim();
         prodObj.typ         = "Manual";
         if (string.IsNullOrEmpty(btnSave.CommandArgument))
         {
             if (prodObj.SaveProductMaster())
             {
                 ClearControls();
                 ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "script", "successfull('Product Added Successfully.','')", true);
             }
             else
             {
                 ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "script", "failed('Failed to Product to add Customer.','')", true);
             }
         }
         else
         {
             prodObj.prodId = btnSave.CommandArgument;
             if (prodObj.UpdateProductMaster())
             {
                 ClearControls();
                 ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "script", "successfull('Product Updated Successfully.','')", true);
             }
             else
             {
                 ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "script", "failed('Failed to Product to Update Customer.','')", true);
             }
         }
     }
     catch (Exception ex)
     {
         ex.Message.ToString();
     }
 }