Vb.net Project With Coding (Working - How-To)

' Validate input fields Private Function ValidateInputs() As Boolean If String.IsNullOrWhiteSpace(txtName.Text) Then MessageBox.Show("Name is required.", "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Warning) Return False End If

If ValidateInputs() Then Dim query As String = "UPDATE Students SET Name=@Name, Age=@Age, Course=@Course WHERE StudentID=@StudentID" 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 ' Validate input fields Private Function ValidateInputs() As

Dim result As DialogResult = MessageBox.Show("Are you sure you want to delete this student?", "Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question) Vb.net Project With Coding

If dataTable.Rows.Count = 0 Then MessageBox.Show("No students found.", "Search Result", MessageBoxButtons.OK, MessageBoxIcon.Information) End If End Sub

conn.Open() Dim rowsAffected As Integer = cmd.ExecuteNonQuery() conn.Close()