Database Reference
In-Depth Information
will remove the country or state, and Show Details will show the selection made with a CheckBox and
RadioButton. To do so, you need to write the code functionality behind the
click
event of all these
buttons one by one.
15.
Double-click the Add button and write the following code inside the
btnAdd_Click
event, which will read the country and state name entered into
the textboxes and add them to the ListBox and ComboBox.
lstCountry.Items.Add(txtCountry.Text);
txtCountry.Clear();
cboState.Items.Add(txtState.Text);
txtState.Clear();
16.
Double-click the Remove Country button, and write the following code inside
the
btnRemoveCountry_Click
event, which will remove the selected country
from the ListBox named lstCountry:
lstCountry.Items.Remove(lstCountry.SelectedItem);
17.
Double-click the Remove State button, and write the following code inside the
btnRemoveState_Click
event, which will remove the selected state from the
ComboBox named cboState.
cboState.Items.Remove(cboState.SelectedItem);
18.
Double-click the Show Details button, and write the following code inside the
btnShowDetails_Click
event, which will show the options selected via a
CheckBox and RadioButton.
if (chkEmail.Checked == true || chkPostalMail.Checked == true &&
rdbMale.Checked == true)
{
19.
MessageBox.Show("Hello Mr, you will be contacted by either USPS or email",
"Information", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
}
else
if (chkEmail.Checked == true || chkPostalMail.Checked == true
&& rdbFemale.Checked == true)
{
MessageBox.Show("Hello Mam, you will be contacted by either USPS or email",
"Information", MessageBoxButtons.OKCancel,
MessageBoxIcon.Information);
}
20.
Go to the Build menu and select Build Solution. You should see a message
indicating a successful build.
21.
Keep your current project open, because you'll need it immediately for the
next exercise. (Don't worry, we'll explain how this and the next exercise work
afterward.)
