protected void Submit_Click(object sender, EventArgs e) { Customer Obj_Ins_Cs = new Customer { ID = Convert.ToInt32(ddl_Customer.SelectedValue), Name = txtName.Text, Age = txtAge.Text, Email = txtEmail.Text, WineID = Convert.ToInt32(ddl_Wine.SelectedValue), RateListID = Convert.ToInt32(ddl_RateList.SelectedValue), }; CustomerBiz.UpdateCustomer(Obj_Ins_Cs); Customer_Fill(); }