[英]How to use array value in Entity Framework in “where”
我有一个数组,我想在实体框架中使用数组值
List<string> arrayN = new List<string>();
for (int i = 0; i <= 100; i++) {
arrayN.Add(i);
}
我想在她的数据库实体框架中使用数组
var result = (from s in _entity.ArdSamaneh
where arrayN.Contains(s.Code.Trim().ToString())
select new {
name = s.NameFamily,
}).ToList();
dataGridView1.DataSource = result;
您可以设置“ let”子句以将数组定义到查询中,此示例有助于可视化实现
var data = new[] {
new { Id=1, Name= "Name 1" },
new { Id=2, Name= "Name 2" },
new { Id=3, Name= "Name 3" },
new { Id=4, Name= "Name 4" },
new { Id=5, Name= "Name 5" },
new { Id=6, Name= "Name 6" },
new { Id=7, Name= "Name 7" },
new { Id=8, Name= "Name 8" }
};
Console.WriteLine(data);
var filterIds = new[] {2,5,8};
var filteredData = from d in data
let ids = filterIds
where ids.Contains(d.Id)
select d;
Console.WriteLine(filteredData);
希望对您有所帮助-Acosta.D
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