public static HotelFurniture AddOrUpdate(HotelFurniture value)
{
if (value == null)
{
throw new NullReferenceException("HotelFurniture value is null");
}
try
{
if (IsContains(value)) //UPDATE
{
HotelFurniture existingModel = EntityConnection.HotelFurnitures.Where(x => x.Name.Equals(value.Name)).First();
if (existingModel == null)
{
throw new NullReferenceException("existingModel value is null");
}
else
{
return(existingModel = value);
}
}
else // ADD
{
return(EntityConnection.HotelFurnitures.Add(value));
}
}
finally
{
EntityConnection.SaveChanges();
}
}
private void DataGridView_Furniture_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
if (!IsFurnitureBucket)
{
var furniture = new HotelFurniture()
{
Name = this.DataGridView_Furniture[0, e.RowIndex].Value.ToString()
};
if (this.LstHotelFurnitures.Count != e.RowIndex)
{
this.LstHotelFurnitures[e.RowIndex].Name = furniture.Name;
}
else
{
if (this.LstHotelFurnitures.Where(x => x.Name.Equals(furniture.Name)).Count() == 0)
{
this.LstHotelFurnitures.Add(furniture);
}
else
{
MessageBox.Show("Такой элемент уже существует!");
BeginInvoke(new MethodInvoker(delegate { DataGridView_Furniture.Rows.RemoveAt(e.RowIndex); }));
}
}
}
}
/// <summary>
/// Проверка на существование
/// </summary>
/// <param name="value">Мебель</param>
/// <returns>true-существует, false-нет</returns>
public static bool IsContains(HotelFurniture value)
{
if (EntityConnection.HotelFurnitures.AsEnumerable().Contains(value))
{
return(true);
}
return(false);
}
