Vb.net Project With Coding -

Public Function GetConnection() As SqlConnection Return New SqlConnection(connectionString) End Function End Module Imports System.Data.SqlClient Public Class Form1 Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load LoadAllStudents() End Sub

conn.Open() cmd.ExecuteNonQuery() conn.Close() End Using End Using Vb.net Project With Coding

If String.IsNullOrEmpty(searchValue) Then LoadAllStudents() Return End If 1 OrElse numAge.Value &gt

If numAge.Value < 1 OrElse numAge.Value > 100 Then MessageBox.Show("Age must be between 1 and 100.", "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Warning) Return False End If MessageBoxIcon.Warning) Return False End If