conecting c# to xml

Question

Hi, 

I have this code: 

 

 and i want the informatiom that i give. ('Pink') be given by a textbox 

 

How can i do it? thanks 

 

private void button1_Click(object sender, EventArgs e)
{
    XDocument doc = XDocument.Load(@"C:\Work\stores.xml");

    var xpath = "//store/Color[text() ='Pink']";

    var result = ((IEnumerable)doc.XPathEvaluate(xpath)).Cast<XElement>().FirstOrDefault();
    textBox1.Text = result.Value;




}