C# 将列表绑定到 GridView
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Binding List to GridView
提问by Joe Borg
I have a list of credit card objects. The credit card class is the following:
我有一个信用卡对象列表。信用卡类如下：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace Client
{
public class CreditCard
{
public String A_Number;
public String A_Name;
public String A_Type;
public String A_Owner_Type;
public String Bank_City;
public String Bank_State;
public String Bank_ZIP;
public String Balance;
public String C_Username;
public CreditCard()
{
}
}
}
In another class, I am trying to bind the list to a grid view as follows:
在另一个类中，我试图将列表绑定到网格视图，如下所示：
protected void Page_Load(object sender, EventArgs e)
{
List<CreditCard> list = (List<CreditCard>)Session["list"];
GridView_List.DataSource = list;
GridView_List.DataBind();
}
However, I am receiving the following error:
但是，我收到以下错误：
The data source for GridView with id 'GridView_List' did not have any properties or attributes from which to generate columns. Ensure that your data source has content.
What is the problem? I checked that the list actually contains data so I don't know why it won't work? How can this problem be solved?
问题是什么？我检查了列表实际上包含数据，所以我不知道为什么它不起作用？如何解决这个问题？
采纳答案by d.moncada
You must use public properties for DataBinding. Update your class as follows:
您必须为 DataBinding 使用公共属性。更新您的课程如下：
public class CreditCard
{
public String A_Number { get; set; }
public String A_Name { get; set; }
public String A_Type { get; set; }
public String A_Owner_Type { get; set; }
public String Bank_City { get; set; }
public String Bank_State { get; set; }
public String Bank_ZIP { get; set; }
public String Balance { get; set; }
public String C_Username { get; set; }
public CreditCard() { }
}
回答by Floremin
You have defined your CreditCardas an object with fields. Data binding can only be done with properties. So, you need to do something like this for all fields:
您已将 your 定义CreditCard为具有字段的对象。数据绑定只能通过属性来完成。所以，你需要对所有领域做这样的事情：
public String A_Number { get; set; }
