Vb Net Lab Programs For Bca Students Fix Hot! -
Double-click the button and add this validation logic:
' Use Double to handle decimal inputs; handle equality Dim a As Double = Val(txtNo1.Text) Dim b As Double = Val(txtNo2.Text) If a > b Then txtRes.Text = "A is Greater" ElseIf b > a Then txtRes.Text = "B is Greater" Else txtRes.Text = "Both are Equal" End If Use code with caution. Copied to clipboard Fix Detail instead of Integer.Parse()
Before you raise your hand to show the output, run through this checklist: vb net lab programs for bca students fix
Use Exit For once a divisor is found. This makes your program run faster and prevents unnecessary calculations. 📋 3. Simple Interest Calculator (Mathematical Logic)
' Fix: Use Using blocks for automatic disposal Using conn As New SqlConnection(connString) Using cmd As New SqlCommand(query, conn) cmd.Parameters.AddWithValue("@EmpID", empID) ' Fix: Parameterized query conn.Open() Using reader As SqlDataReader = cmd.ExecuteReader() If reader.Read() Then txtName.Text = reader("Name").ToString() txtDept.Text = reader("Department").ToString() txtSalary.Text = reader("Salary").ToString() Else MessageBox.Show("Employee not found") End If End Using ' Reader closed & disposed End Using ' Command disposed End Using ' Connection closed & disposed Double-click the button and add this validation logic:
If isPrime Then Console.WriteLine(num & " is a prime number.") Else Console.WriteLine(num & " is not a prime number.") End If Console.ReadLine() End Sub
End Module
Go to View > Solution Explorer , right-click your Form, and select View Designer .
Dim frm As New Form frm.Controls.Add(dgv) frm.ShowDialog() Catch ex As Exception MessageBox.Show("Error: " & ex.Message) Finally conn.Close() End Try End Sub End Class 📋 3
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