Vb.net Access Database Example -

Imports System.Data.OleDb Public Class Form1 Dim connectionString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\VB.NET Projects\Demo\SampleDB.accdb"

Dim query As String = "UPDATE Users SET FirstName=@FirstName, LastName=@LastName, Email=@Email, Age=@Age WHERE UserID=@UserID" vb.net access database example

Using conn As New OleDbConnection(connectionString) Using cmd As New OleDbCommand(query, conn) cmd.Parameters.AddWithValue("@FirstName", txtFirstName.Text) cmd.Parameters.AddWithValue("@LastName", txtLastName.Text) cmd.Parameters.AddWithValue("@Email", txtEmail.Text) cmd.Parameters.AddWithValue("@Age", Convert.ToInt32(txtAge.Text)) cmd.Parameters.AddWithValue("@UserID", userID) conn.Open() cmd.ExecuteNonQuery() conn.Close() End Using End Using Imports System

Using conn As New OleDbConnection(connectionString) Using adapter As New OleDbDataAdapter(query, conn) Dim table As New DataTable() adapter.Fill(table) dgvUsers.DataSource = table End Using End Using vb.net access database example

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load LoadData() End Sub

MessageBox.Show("Record added successfully!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information) ClearInputs() LoadData() ' Refresh the grid End Sub

If result = DialogResult.Yes Then Dim query As String = "DELETE FROM Users WHERE UserID=@UserID" Using conn As New OleDbConnection(connectionString) Using cmd As New OleDbCommand(query, conn) cmd.Parameters.AddWithValue("@UserID", userID) conn.Open() cmd.ExecuteNonQuery() conn.Close() End Using End Using MessageBox.Show("Record deleted successfully!") LoadData() ClearInputs() End If End Sub Add these utility methods: