Vb Net Lab Programs For Bca Students May 2026

Dim si As Double = ComputeSI(CDbl(txtPrincipal.Text), CDbl(txtRate.Text), CDbl(txtTime.Text)) Objective: Display, insert, update records from a database.

Don’t just copy-paste. Type each program yourself, break it, fix it, and explain it aloud. vb net lab programs for bca students

Private Sub btnAdd_Click(sender As Object, e As EventArgs) Handles btnAdd.Click Try Dim num1 As Double = Double.Parse(txtNum1.Text) Dim num2 As Double = Double.Parse(txtNum2.Text) lblResult.Text = "Result: " & (num1 + num2) Catch ex As FormatException MessageBox.Show("Please enter valid numbers") Catch ex As Exception MessageBox.Show("Error: " & ex.Message) End Try End Sub ✅ Pro tip: Use NumericUpDown instead of TextBox to avoid parsing errors. Objective: Input marks of 5 subjects, calculate total, percentage, and grade (Distinction/First/Second/Pass/Fail). Dim si As Double = ComputeSI(CDbl(txtPrincipal

Good luck with your BCA lab exams! 💻✨ Have a specific program you're stuck on? Drop it in the comments below. Private Sub btnAdd_Click(sender As Object, e As EventArgs)

Module Calculations Public Function ComputeSI(ByVal p As Double, ByVal r As Double, ByVal t As Double) As Double Return (p * r * t) / 100 End Function End Module

Why VB.NET Still Matters in Your BCA Curriculum