update datagridview
本文关键字:datagridview update | 更新日期: 2023-09-27 18:06:22
我有以下代码,我想要做的是更新当我从一个单独的表单添加新记录到我的表,在那一刻我得到所有的表数据,但如果我添加新的数据它是不可见的在这里,但保存在表中,我必须关闭程序并再次运行它保存的数据在datagridview中可见。我的问题是如何更新datagridview,以便表信息在任何时候都在那里。我的代码如下:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace project
{
public partial class frmViewBookings : Form
{
public frmViewBookings()
{
InitializeComponent();
}
private void btnClose_Click(object sender, EventArgs e)
{
Form3 mainpage = new Form3();
mainpage.Show();
this.Close();
}
private void frmViewBookings_Load(object sender, EventArgs e)
{
// TODO: This line of code loads data into the 'usersDataSet1.Booking' table. You can move, or remove it, as needed.
this.bookingTableAdapter.Fill(this.usersDataSet1.Booking);
}
}
}
在frmviewbooking中添加/编辑您现有的方法:
private void frmViewBookings_Load(object sender, EventArgs e)
{
// TODO: This line of code loads data into the 'usersDataSet1.Booking' table. You can move, or remove it, as needed.
UpdateData();
}
public void UpdateData()
{
this.bookingTableAdapter.Fill(this.usersDataSet1.Booking);
}
然后从另一个Form中调用UpdateData()
在另一个表单中,添加一个包含第一个表单的属性:
public partial class frmBooking : Form
{
public frmViewBookings myBookingsFrm = null;
}
当您创建frmBooking表单时,执行:
frmBooking frmNewBookingFrm = new frmBooking();
frmNewBookingFrm.myBookingsFrm = this;//or whatever reference to the first frmViewBookings is
所以当你在frmBooking中插入新记录后,调用:
myBookingsFrm.UpdateData();