How to convert list to string

Question

Hi This is my view : protected void ButtonSave_OnClick(object sender EventArgs e) { List _placeholder = (List )Session[listPlaceholder]; OrdersModel order = new OrdersModel(); order.UserID = (int)Session[userId]; order.TemplateID = (int)Session[TemplateID]; order.Price = ((List )Session[SelectedAddress]).Count * 1; var address = (List )Session[SelectedAddress]; _orderBL.ConfirmOrder(address _placeholderorder); } and this is my Business Layer : public string ConfirmOrder(string address string _placeholder OrdersModel order) { try { OrdersDL _ordersDL = new OrdersDL(); // Creating object of Dataccess return _ordersDL.ConfirmOrder(address_placeholderorder); // calling Method of DataAccess } catch { throw; } } But here shows error like cannot convert list to string Please help me. Thanks

Rajeesh Menoth · Answer

Hi Converting list to string example : string combindedString = string .Join(   urList.ToArray() );

Shweta Lodha · Answer

You can use stringbuilder. StringBuilder builder = new StringBuilder(); foreach (string item in _placeholder) { builder.Append(item).Append(|); } string result = builder.ToString(); Now you can pass result as a parameter to your method.

Thrish · Answer

Did you try like below : http://stackoverflow.com/questions/4981390/convert-a-list-to-a-string-in-c-sharp