Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "CRUDMySql" and then click OK

Step 2: Design your form as below

Step 3: Create a dataset, then add a customer table to your dataset as below

Step 4: Add code to handle your form as below
using System;
using System.Data;
using System.Linq;
using System.Windows.Forms;
namespace CRUDMySQL
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
// TODO: This line of code loads data into the 'appData.customers' table. You can move, or remove it, as needed.
this.customersTableAdapter.Fill(this.appData.customers);
customersBindingSource.DataSource = this.appData.customers;
}
private void txtSearch_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)13)
{
if (string.IsNullOrEmpty(txtSearch.Text))
{
// TODO: This line of code loads data into the 'appData.customers' table. You can move, or remove it, as needed.
this.customersTableAdapter.Fill(this.appData.customers);
customersBindingSource.DataSource = this.appData.customers;
}
else
{
//using linq to query data
var query = from o in this.appData.customers
where o.FullName.Contains(txtSearch.Text) || o.Email == txtSearch.Text || o.Address.Contains(txtSearch.Text)
select o;
customersBindingSource.DataSource = query.ToList();
}
}
}
private void btnNew_Click(object sender, EventArgs e)
{
try
{
panel.Enabled = true;
txtFullname.Focus();
//Add a new row
this.appData.customers.AddcustomersRow(this.appData.customers.NewcustomersRow());
customersBindingSource.MoveLast();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnEdit_Click(object sender, EventArgs e)
{
panel.Enabled = true;
txtFullname.Focus();
}
private void btnCancel_Click(object sender, EventArgs e)
{
panel.Enabled = false;
customersBindingSource.ResetBindings(false);
}
private void btnSave_Click(object sender, EventArgs e)
{
try
{
//Save data to mysql database
customersBindingSource.EndEdit();
customersTableAdapter.Update(this.appData.customers);
panel.Enabled = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void dataGridView_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Delete)
{
if (MessageBox.Show("Are you sure want to delete this record ?", "Message", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
customersBindingSource.RemoveCurrent();
}
}
}
}
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