Identify the error in the following code:
Private Sub btnCalculate_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles btnCalculate.Click
' Declare some variables
Dim sngNumber1 As Single
Dim sngNumber2 As Single
Dim sngSum As Single
' Get the two numbers
sngNumber1 = txtNumber1.Text
sngNumber2 = txtNumber2.Text
' Calculate their sngSum... is the next line working?
sngSum = sngNumber1 + sngNumber2
' Display the result
lblSum.Text = sngSum.ToString
End Sub
a. A local variable is misplaced.
b. A conversion function such as CSng was not used.
c. The variable name sngNumberl was misspelled.
d. The variable sngSum was declared as the wrong data type.
b. A conversion function such as CSng was not used.
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