public frmVendor()
        {
            InitializeComponent();

            vendors = VendorDB.GetVendors();
            PopulateVendors();
            this.Text   = ("Vendors");
            isDataSaved = true;
        }
        /// <summary>
        /// Saving the information in the vendors list
        /// </summary>
        public void SaveVendorsList()
        {
            try
            {
                if (IsValidData())
                {
                    Vendor vendor = vendors[intCurrentVendor];


                    vendor.Name    = txtName.Text; //these pull all the information from the position within the vendor array and put respective data into the text boxes
                    vendor.Address = txtStreetAddress.Text;
                    vendor.City    = txtCity.Text;
                    vendor.State   = txtState.Text;
                    vendor.Zip     = txtZipCode.Text;
                    vendor.YTD     = Convert.ToInt32(txtYTDSales.Text);
                    vendor.Contact = txtSalesRep.Text;
                    vendor.Phone   = txtPhoneNumber.Text;
                    vendor.Comment = txtComments.Text;



                    if (rdo10Days.Checked == true)  //this will set the radio buttons to the proper amount
                    {
                        vendor.DefaultDiscount = 10;
                    }
                    else if (rdo15Days.Checked == true)
                    {
                        vendor.DefaultDiscount = 15;
                    }
                    else if (rdo20Days.Checked == true)
                    {
                        vendor.DefaultDiscount = 20;
                    }
                    else
                    {
                        vendor.DefaultDiscount = Convert.ToInt32(null);
                    }
                    vendors[intCurrentVendor] = vendor;
                    VendorDB.SaveVendors(vendors);
                }
            }

            catch (Exception ex)
            {
                MessageBox.Show("Oops! An unexpected error occured." + "\n\n" + ex.ToString());
            }
        }