Windows Form Listbox Validation

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Hey guys, I've got a Listbox called lst_Pending and it has two items, True and False. The list box is a part of a form and I need to when submit is clicked if you haven't selected true or false you'll receive an error message asking you that it is necessary to pick one. I've never really used list boxes so this is why I'm not sure.

Would there be any better alternatives to using a Listbox for something that's true or false?

Posted 3-Mar-14 22:01pm

Member 10603307

Updated 3-Mar-14 22:15pm

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Vedat Ozan Oner 4-Mar-14 4:33am

CheckBox in here: http://msdn.microsoft.com/en-us/library/system.windows.forms.checkbox%28v=vs.110%29.aspx

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Raajkumar.b · Accepted Answer · 2014-03-04T19:53:00

Try this for listbox

C#

private void button1_Click(object sender, EventArgs e)
        {
            if (listBox1.SelectedIndex != -1)
            {
                 //your code logic
            }
            else
            {
                MessageBox.Show("Please select anyone");
            }
        }