NullException Error help.
With the code below Im getting NullException with the If statements. Where If the user enters nothing "" then the
message box shows. Any Idea's what Im doing wrong?
Code:
Private Sub btnOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOK.Click
Dim sUserID As String
Dim sPass As String
If sUserID.Trim() = "" Then
MessageBox.Show("UserID cannot be blank," _
& "Please endter a proper UserID.", "Error", _
MessageBoxButtons.OK, MessageBoxIcon.Error)
txtUserID.Select()
Else
If sPass.Trim() = "" Then
MessageBox.Show("Password cannot be blank," _
& "Please enter a proper password.", "Error", _
MessageBoxButtons.OK, MessageBoxIcon.Error)
txtPass.Select()
Else
Me.DialogResult = DialogResult.OK
End If
End If
End Sub