[英]How to use Entity Framework as generic DataSource for DataGridView?
[英]What is the correct way to use Entity Framework as datasource for DataGridView?
要在DataGridView 任务面板中添加要与DataGridView
一起使用的数据源,请打开选择数据源:组合框,然后:
这是代码示例:
using System;
using System.Windows.Forms;
using System.Data.Entity;
namespace WindowsFormsApplication
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
SampleDBEntities db;
private void Form1_Load(object sender, EventArgs e)
{
db = new SampleDBEntities();
db.Products.Load();
this.productBindingSource.DataSource = db.Products.Local.ToBindingList();
}
private void SaveButton_Click(object sender, EventArgs e)
{
db.SaveChanges();
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
db.Dispose();
}
}
}
不知道这是否是最快的方法,但它更简单:
dataGridViewStudents.DataSource = schoolContext.Students.ToList<Student>();
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