Vb Net Lab Programs For Bca Students Fix ⭐

' Step 2: SQL Query (Use Parameters to avoid SQL Injection and quote errors) Dim query As String = "INSERT INTO Students ([Name], [Age], [Course]) VALUES (?, ?, ?)" Dim cmd As New OleDbCommand(query, conn)

' Correct Procedure Sub Swap(ByRef x As Integer, ByRef y As Integer) Dim temp As Integer temp = x x = y y = temp End Sub ' Button Click Event Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim num1 As Integer = Val(TextBox1.Text) Dim num2 As Integer = Val(TextBox2.Text) Swap(num1, num2) ' Now this modifies the original variables TextBox1.Text = num1 TextBox2.Text = num2 End Sub vb net lab programs for bca students fix

' Step 3: Add parameters cmd.Parameters.AddWithValue("?", TextBox_Name.Text) cmd.Parameters.AddWithValue("?", Val(TextBox_Age.Text)) cmd.Parameters.AddWithValue("?", TextBox_Course.Text) ' Step 2: SQL Query (Use Parameters to

If marks >= 90 Then Grade = "A" ElseIf marks >= 80 AndAlso marks < 90 Then Grade = "B" ElseIf marks >= 70 Then Grade = "C" Else Grade = "F" End If Common Problem: The array outputs in the same order as input. [Course]) VALUES (?