Private Sub btnSave_Click(sender As Object, e As EventArgs) Handles btnSave.Click Dim filePath As String = "C:\BCA_Lab\student_data.txt" Using writer As New StreamWriter(filePath, True) ' True for append writer.WriteLine(txtName.Text & "," & txtAge.Text & "," & txtCourse.Text) End Using MessageBox.Show("Data Saved!") End Sub
Use variables, data types (Integer, Double), and basic operators. UI Requirements: Two TextBoxes ( txtNum1 , txtNum2 ), four Buttons (Add, Subtract, Multiply, Divide), and one Label for the result. vb net lab programs for bca students
Managing collections of items is a vital skill for any developer. Private Sub btnSave_Click(sender As Object, e As EventArgs)
Create a simple calculator that performs addition, subtraction, multiplication, and division. For BCA students, the lab exam isn’t just
Dim original As String = txtInput.Text Dim reversed As String = StrReverse(original) If original.ToLower() = reversed.ToLower() Then MessageBox.Show("Palindrome!") Else MessageBox.Show("Not a palindrome") End If
Keep the form clean. Align your controls and use consistent fonts.
For BCA students, the lab exam isn’t just about syntax—it’s about logic, UI/UX thinking, and debugging. This post will walk you through the most common VB.NET lab programs and how to write them like a pro.