[英]Cannot convert from Models.Class to DbContext.Class using Entity Framework and ASP.NET MVC
我正在使用數據庫優先方法,我想將一些數據插入數據庫。 我正在使用這段代碼:
public ActionResult Create(StudentDetails studentDetails)
{
using (StudentRecordManagementEntities1 obj = new StudentRecordManagementEntities1())
{
obj.StudentDetails.Add(studentDetails); //throws error
}
}
Model class:
public class StudentDetails
{
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int Id { get; set; }
public string Name { get; set; }
public Nullable<long> ContactNumber { get; set; }
public string Address { get; set; }
public decimal Fees { get; set; }
public bool isPaid { get; set; }
}
錯誤詳情:
錯誤 CS1503 參數 1:無法從“StudentRecordManagement.Models.StudentDetails”轉換為“StudentRecordManagement.Models.StudentDetail”StudentRecordManagement*
如果您需要更多詳細信息,請告訴我。
看起來您的 model class 是StudentRecordManagement.Models.StudentDetail
,但是您正在插入StudentRecordManagement.Models.StudentDetail 。 所以你可以做的是給你的數據庫 model 提供必要的類型:
public ActionResult Create(StudentDetails studentDetails)
{
using (StudentRecordManagementEntities1 obj = new StudentRecordManagementEntities1())
{
var studentDetail = new StudentRecordManagement.Models.StudentDetail {
Name = studentDetails.Name,
// the other code is omitted for the brevity
};
obj.StudentDetails.Add(studentDetail); //
}
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