1
我想訂購pincode
字符串爲空,當我試圖將pincode
轉換爲一個整數排序時,我收到一個錯誤。Linq OrderBy問題當轉換字符串爲int與空格
public class Student
{
public int Id { get; set; }
public string Name { get; set; }
public string City { get; set; }
public string Pincode { get; set; }
}
List<Student> objStudentList = new List<Student>();
objStudentList.Add(new Student() { Id = 1, Name = "gopi", City="Chennai", Pincode = "600002" });
objStudentList.Add(new Student() { Id = 2, Name = "ravi", City = "Bangulor", Pincode = "600 001" });
objStudentList.Add(new Student() { Id = 3, Name = "mani", City = "Madurai", Pincode = "600 007" });
objStudentList.Add(new Student() { Id = 4, Name = "anbu", City = "Thiruchi", Pincode = "600 005" });
objStudentList.Add(new Student() { Id = 4, Name = "kumar", City = "Thiruchi", Pincode = "" });
objStudentList = objStudentList.OrderBy(a => int.Parse(Regex.Replace(a.Pincode.Replace(" ", "").Replace("\t", ""), @"\t|\n|\r", ""))).ToList();
誰能告訴我手頭有什麼問題以及如何解決?
我們需要pin碼之間移除空間數字。例如:「600 001」刪除600和001之間的空格。 我試過下面的代碼,工作正常,謝謝回覆:) objStudentList = objStudentList.OrderBy(a => string.IsNullOrEmpty(a.Pincode.Trim()) int.Parse(「0」): int.Parse(Regex.Replace(a.Pincode.Replace(「」,「」).Replace(「\ t」,「」),@「\ t | \ n | \ r「,」「)))。ToList(); – Gopi