CrmService service = connectToCrm();
        PropertyCollection Prop = new PropertyCollection();
        DynamicEntity Firma = new DynamicEntity();

        // set table
        Firma.Name = EntityName.account.ToString();

        StringProperty accountName = new StringProperty();
        accountName.Name = "name";
        accountName.Value = aDict["name"].ToString();
        Prop.Add(accountName);

        StringProperty vendorCode = new StringProperty();
        vendorCode.Name = "new_bayikodu";
        vendorCode.Value = aDict["new_bayikodu"].ToString();
        Prop.Add(vendorCode);

        StringProperty VD = new StringProperty();
        VD.Name = "new_taxoffice";
        VD.Value = aDict["new_taxoffice"].ToString();
        Prop.Add(VD);

        StringProperty VN  = new StringProperty();
        VN.Name = "accountnumber";
        VN.Value = aDict["accountnumber"].ToString();
        Prop.Add(VN);

        StringProperty address = new StringProperty();
        address.Name = "address1_line1";
        address.Value = aDict["address1_line1"].ToString();
        Prop.Add(address);

        StringProperty tel = new StringProperty();
        tel.Name = "telephone1";
        tel.Value = aDict["telephone1"].ToString();
        Prop.Add(tel);

        StringProperty accountEmail = new StringProperty();
        accountEmail.Name = "emailaddress1";
        accountEmail.Value = aDict["emailaddress1"].ToString();
        Prop.Add(accountEmail);

        Firma.Properties = Prop;

        Guid CustomerGuid = service.Create(Firma);

PicklistProperty city = new PicklistProperty();
    city.Name = "new_city";
    city.Value = 23; // City Picklist Value for 'istanbul';
    Prop.Add(city);