BealeEngineering/BealeEngineering/BealeEngineering.Core/Data/Database/Client/CreatePurchaseOrderAllocation.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Transactions;

namespace BealeEngineering.Core.Data.Database.Client
{
    public class CreatePurchaseOrderAllocation : Connection
    {
        public CreatePurchaseOrderAllocation(string sqlConnectionString) : base(sqlConnectionString)
        {

        }
        public int ByDictionary(Dictionary<int, int> saleInvoiceIdToPoLineId)
        {
            int rowsCreated = 0;
            if (saleInvoiceIdToPoLineId == null || !saleInvoiceIdToPoLineId.Any())
            {
                throw new Exception("No data passed to function.");
            }

            using (TransactionScope scope = new TransactionScope())
            {
                using (SqlConnection conn = new SqlConnection(sqlConnectionString))
                {
                    conn.Open();

                    foreach (var item in saleInvoiceIdToPoLineId)
                    {
                        using (SqlCommand cmd = new SqlCommand(@"
                            INSERT INTO ClientPurchaseOrderLineSalesInvoice (
                                ClientPurchaseOrderLineID
                                ,SaleInvoiceID
                                )
                            VALUES (
                                @clientPurchaseOrderLineID
                                ,@saleInvoiceID
                                )
                            ", conn))
                        {
                            cmd.Parameters.AddWithValue("@clientPurchaseOrderLineID", item.Value);
                            cmd.Parameters.AddWithValue("@saleInvoiceID", item.Key);

                            rowsCreated = rowsCreated + cmd.ExecuteNonQuery();
                        }
                    }
                }
                scope.Complete();
            }
            return rowsCreated;
        }
    }
}