C# 如何在C语言中绑定网格视图#
我有gridview,我想从数据库绑定它,但它不绑定一些单元格。这是表的类别:C# 如何在C语言中绑定网格视图#,c#,entity-framework,ef-code-first,C#,Entity Framework,Ef Code First,我有gridview,我想从数据库绑定它,但它不绑定一些单元格。这是表的类别: public class Break { #region Property [Key] [Required] [DatabaseGenerated(DatabaseGeneratedOption.Identity)] [Column("FldKeyId")] public int MyKeyId { get; set; } [Required] publ
public class Break
{
#region Property
[Key]
[Required]
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
[Column("FldKeyId")]
public int MyKeyId { get; set; }
[Required]
public Machine Machine { get; set; }
[Required]
public Employee Employee { get; set; }
[Required]
public Shift Shift { get; set; }
[Required]
[Column ("FldStartTime")]
public DateTime MyStartTime { get; set; }
[Required]
[Column ("FldEndTime")]
public DateTime MyEndTime { get; set; }
[Column("FldModificationDate")]
[Required]
public DateTime ModificationDate { get; set; }
这是我绑定的代码
void RefreshBreakGrid()
{
dgvcolDate.DataPropertyName = "ModificationDate";
dgvcolstarttime.DataPropertyName = "MyStartTime";
dgvcolendtime.DataPropertyName = "MyEndTime";
dgvcolemployee.DataSource = Employee.GetAllEmployee();
dgvcolemployee.DisplayMember = "MyName";
dgvcolemployee.ValueMember = "MyKeyId";
dgvcolemployee.DataPropertyName = "Employee";
dgvcolmachine.DataSource = Machine.GetAllMachine();
dgvcolmachine.DisplayMember = "MyName";
dgvcolmachine.ValueMember = "MyKeyId";
dgvcolmachine.DataPropertyName = "MyName";
dgvcolshift.DataSource = Shift.GetAllShift();
dgvcolshift.DisplayMember = "MyName";
dgvcolshift.ValueMember = "MyKeyId";
dgvcolshift.DataPropertyName = "Shift";
_Breaks=Break.GetAllBreak();
dgvBreak.AutoGenerateColumns = false;
dgvBreak.DataSource = _Breaks;
}
这是getAllBreaks的代码
public static List<Break> GetAllBreak()
{
return new ContexManager().Breaks.Where(c => c.MyKeyId != 0).Include(c => c.Machine).Include(c => c.Employee).Include(c => c.Shift).ToList();
}
公共静态列表GetAllBreak()
{
返回新的ContexManager().Breaks.Where(c=>c.MyKeyId!=0).Include(c=>c.Machine).Include(c=>c.Employee).Include(c=>c.Shift).ToList();
}
现在,当它在shift的单元格中运行时,它显示了机器的classLibrary.classes.shift
,例如shift
我必须为它做什么?用每个类的override-toString方法解决它用override-toString方法解决它用每个类的override-toString方法解决它可能取决于你如何设计你的
dgvBreak
来保存嵌套的实体信息。@Rahul我必须为它做什么?发布你的dgvBreak
设计code@Rahul我补充说列手动编辑列它有任何代码吗?有什么帮助吗?可能取决于您如何设计dgvBreak
来保存嵌套实体信息。@Rahul我该怎么做?发布您的dgvBreak
设计code@Rahul我用编辑栏手动添加栏,有代码吗?有什么帮助吗?