Right-click the folder containing your Access file, select Properties > Security , and verify that the target user group (e.g., Everyone or Authenticated Users ) has explicitly granted Write and Modify permissions. 3. Data type mismatch in criteria expression
Leo spent hours on the Home and Learn tutorial, learning how to use the to drag and drop data sources onto his forms. He added a DataGridView to display student records and built a sleek login form to keep the data secure. vb.net projects with ms access database free download
Here are some features that you might find in a VB.NET project with an MS Access database: Right-click the folder containing your Access file, select
Perfect for managing a local business's stock, vendor purchases, and customer sales. He added a DataGridView to display student records
Private Sub btnAdd_Click(sender As Object, e As EventArgs) Handles btnAdd.Click 'Using block ensures the connection is closed automatically Using conn As New OleDbConnection(connectionString) 'SQL query to insert data Dim query As String = "INSERT INTO Contacts ([Name], [PhoneNumber]) VALUES (@name, @phone)" Using cmd As New OleDbCommand(query, conn) 'Add parameters to prevent SQL injection cmd.Parameters.AddWithValue("@name", txtName.Text) cmd.Parameters.AddWithValue("@phone", txtPhone.Text) conn.Open() cmd.ExecuteNonQuery() 'Executes the query conn.Close() End Using End Using MessageBox.Show("Contact Added Successfully!") 'Clear the text boxes after adding txtName.Clear() txtPhone.Clear()