Asp.net mvc 4 无法将数据表值分配给类列表
这是我的模型:Asp.net mvc 4 无法将数据表值分配给类列表,asp.net-mvc-4,Asp.net Mvc 4,这是我的模型: public class Category { public Category() { SubCategory = new List<SubCategory>(); TicketsInfo = new List<TicketInfo>(); UserDetails = new List<UserDetails>();
public class Category
{
public Category()
{
SubCategory = new List<SubCategory>();
TicketsInfo = new List<TicketInfo>();
UserDetails = new List<UserDetails>();
}
[Key]
public int CategoryId { get; set; }
public string Name { get; set; }
public List<SubCategory> SubCategory { get; set; } //subcategory is my another class
public List<TicketInfo> TicketsInfo { get; set; }//ticketinfo is my another class
public List<UserDetails> UserDetails { get; set; }//userdetails is my another class
}
索引超出范围。必须为非负数且小于集合的大小。
参数名称:索引
我的数据表中有两条记录
有人能找出问题所在吗?您必须在此处指定列:
categoryModel.TicketsInfo[i].TicketId =(int)categoryDetailsforTickets.Rows[i][0];
或
或
尝试将datatable迭代为:-
foreach (DataRow row in categoryDetailsforTickets.Rows) // Loop over the rows.
{
categoryModel.TicketsInfo[i].TicketId =(int)row["coloumnname"];
........
}
@priyankavashi..不要使用ItemArray只需尝试上面的代码A我已经尝试了你的两种解决方案bt它仍然抛出相同的代码error@priyankavashi..just在你们的数据集中看到columnname,在第二个答案中用columnname代替columnname。我也遇到过同样的问题。我想问题是different@priyankavashi...very奇怪,它也一样错误
categoryModel.TicketsInfo[i].TicketId =(int)categoryDetailsforTickets.Rows[i][0];
categoryModel.TicketsInfo[i].TicketId =(int)categoryDetailsforTickets.Rows[i]["coloumnname"];
foreach (DataRow row in categoryDetailsforTickets.Rows) // Loop over the rows.
{
categoryModel.TicketsInfo[i].TicketId =(int)row["coloumnname"];
........
}