字段允许Nullable在Visual Studio中不显示标准报表创建向导

问题描述

我想在Visual Studio中创建报告。 当打开“标准报表创建向导”时，该字段中的“允许为空”在我的班级中不会显示在菜单中，如图像[]

the field allow Nullable not display here

在不取消Nullable的情况下，如何使用字段允许报表中的Nullable ???

这是我的报告课

namespace PayRoll.database
{
    using System;
    using System.Collections.Generic;
    
    public partial class tblEmployeeData
    {
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2214:DoNotCallOverridableMethodsInConstructors")]
        public tblEmployeeData()
        {
            this.Salary_Devation_For_Emp = new HashSet<Salary_Devation_For_Emp>();
            this.tbl_Penalty_Emp = new HashSet<tbl_Penalty_Emp>();
            this.tblBlackListForEmps = new HashSet<tblBlackListForEmp>();
            this.tblContractForEmploees = new HashSet<tblContractForEmploee>();
            this.tblCustodyForEmps = new HashSet<tblCustodyForEmp>();
            this.tblOtherDataForEmps = new HashSet<tblOtherDataForEmp>();
            this.Vacaition_For_Emp_ber_Day = new HashSet<Vacaition_For_Emp_ber_Day>();
            this.Vacation_Details = new HashSet<Vacation_Details>();
            this.Vacation_For_Emp_2020 = new HashSet<Vacation_For_Emp_2020>();
        }
    
        public int EmployeeCode { get; set; }
        public string EmployeeName { get; set; }
        public Nullable<byte> GenderCode { get; set; }
        public Nullable<byte> PranchCode { get; set; }
        public Nullable<byte> RelationShipCode { get; set; }
        public Nullable<byte> AdministrationCode { get; set; }
        public Nullable<byte> DepartmentCode { get; set; }
        public Nullable<short>JopCode { get; set; }
        public Nullable<byte> JopLevelCode { get; set; }
        public Nullable<byte> ConCustmerCode { get; set; }
        public Nullable<byte> Vacation_Calculate_Type_Code { get; set; }
        public Nullable<byte> NationalityCode { get; set; }
        public Nullable<byte> TypeOfWorkersCode { get; set; }
        public Nullable<bool> IsActive { get; set; }
        public Nullable<System.DateTime> Date_Hiring { get; set; }
    
        public virtual Document_For_Employee Document_For_Employee { get; set; }
        public virtual Financial_Statments Financial_Statments { get; set; }
        public virtual Insurance_For_Emp Insurance_For_Emp { get; set; }
        public virtual Salary_Data_For_Emp Salary_Data_For_Emp { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<Salary_Devation_For_Emp> Salary_Devation_For_Emp { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<tbl_Penalty_Emp> tbl_Penalty_Emp { get; set; }
        public virtual tblAddressForEmp tblAddressForEmp { get; set; }
        public virtual tblAdministration tblAdministration { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<tblBlackListForEmp> tblBlackListForEmps { get; set; }
        public virtual tblConCustmor tblConCustmor { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<tblContractForEmploee> tblContractForEmploees { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<tblCustodyForEmp> tblCustodyForEmps { get; set; }
        public virtual tblDepartment tblDepartment { get; set; }
        public virtual tblDrivingLicenseForEmp tblDrivingLicenseForEmp { get; set; }
        public virtual tblGender tblGender { get; set; }
        public virtual tblJopLevel tblJopLevel { get; set; }
        public virtual tblJop tblJop { get; set; }
        public virtual tblNationality tblNationality { get; set; }
        public virtual tblPranch tblPranch { get; set; }
        public virtual tblRelationShip tblRelationShip { get; set; }
        public virtual tblTypesOfWorker tblTypesOfWorker { get; set; }
        public virtual Vacation_Calculate_Type Vacation_Calculate_Type { get; set; }
        public virtual tblEmployeeQualification tblEmployeeQualification { get; set; }
        public virtual tblHealthCertificateForEmp tblHealthCertificateForEmp { get; set; }
        public virtual tblHealthInsuranceForEmp tblHealthInsuranceForEmp { get; set; }
        public virtual tblMilitaryStateForEmp tblMilitaryStateForEmp { get; set; }
        public virtual tblNationalIDforEmp tblNationalIDforEmp { get; set; }
        public virtual tblOtherDataForEmp tblOtherDataForEmp { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<tblOtherDataForEmp> tblOtherDataForEmps { get; set; }
        public virtual tblStuffHousingForEmp tblStuffHousingForEmp { get; set; }
        public virtual tblWorkStubForEmp tblWorkStubForEmp { get; set; }
        public virtual tbSkillLevelCertificateForEmp tbSkillLevelCertificateForEmp { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<Vacaition_For_Emp_ber_Day> Vacaition_For_Emp_ber_Day { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<Vacation_Details> Vacation_Details { get; set; }
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage","CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<Vacation_For_Emp_2020> Vacation_For_Emp_2020 { get; set; }
    }
}

解决方法

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