Vb.net Access Database Example Access

Private Sub LoadData() Dim query As String = "SELECT * FROM Users" 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 End Sub

Private Sub btnUpdate_Click(sender As Object, e As EventArgs) Handles btnUpdate.Click If dgvUsers.SelectedRows.Count = 0 Then MessageBox.Show("Please select a record to update") Return End If If ValidateInputs() = False Then Exit Sub

' Optional: Display record count lblStatus.Text = $"Loaded dgvUsers.Rows.Count records" End Sub Add this code to the Insert button: vb.net access database example

Private Sub ClearInputs() txtFirstName.Clear() txtLastName.Clear() txtEmail.Clear() txtAge.Clear() txtFirstName.Focus() End Sub Private Sub dgvUsers_CellClick(sender As Object, e As DataGridViewCellEventArgs) Handles dgvUsers.CellClick If e.RowIndex >= 0 Then Dim row As DataGridViewRow = dgvUsers.Rows(e.RowIndex) txtFirstName.Text = row.Cells("FirstName").Value.ToString() txtLastName.Text = row.Cells("LastName").Value.ToString() txtEmail.Text = row.Cells("Email").Value.ToString() txtAge.Text = row.Cells("Age").Value.ToString() End If End Sub Here's the complete form code:

If Not IsNumeric(txtAge.Text) Then MessageBox.Show("Age must be a number") Return False End If Private Sub LoadData() Dim query As String =

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

Introduction Connecting a VB.NET application to a Microsoft Access database is one of the most common tasks for desktop developers. Whether you're building a small inventory system, a contact manager, or a data entry application, this guide will walk you through everything you need to know. a contact manager

' Get the UserID from the selected row Dim userID As Integer = Convert.ToInt32(dgvUsers.SelectedRows(0).Cells("UserID").Value)

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"

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

Private Sub btnLoad_Click(sender As Object, e As EventArgs) Handles btnLoad.Click LoadData() End Sub Private Sub LoadData() Dim query As String = "SELECT * FROM Users"