我有3个表(国家/地区,州和城市),在创建客户端时会使用客户端ID填充副本表
默认表
tbl_Country
public int Id { get; set; }
public string Name { get; set; }
tbl_State
public int Id { get; set; }
public int CountryId { get; set; }
public string Name { get; set; }
tbl_City
public int Id { get; set; }
public int StateId { get; set; }
public string Name { get; set; }
客户表
tbl_Client_Country
public int Id { get; set; }
public int ClientId { get; set; }
public string Name { get; set; }
tbl_Client_State
public int Id { get; set; }
public int CountryId { get; set; }
public int ClientId { get; set; }
public string Name { get; set; }
tbl_Client_City
public int Id { get; set; }
public int StateId { get; set; }
public int ClientId { get; set; }
public string Name { get; set; }
插入脚本应该以使用以下内容开始循环:
var countries = from x in _context.tbl_Country select x;
喜欢:
foreach(var country in countries){
//insert country and return key for state insert
//select all state using country.Id
foreach(var state in states){
//insert state and return key for city insert
//select all city using state.Id
foreach(var city in cities){
}
}
}
我看过带有相关标题的问题,但是这种情况有所不同。
问题:是否有一种更高效的方法而无需级联。