Web Service

private void Form1_Load(object sender, EventArgs e)
        {
            comboBox1.DataSource = Enum.GetValues(typeof(Proxy.Currency));
            comboBox2.DataSource = Enum.GetValues(typeof(Proxy.Currency));
            comboBox1.SelectedIndex = 1;
            comboBox2.SelectedIndex = 1;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Proxy.CurrencyConvertorSoapClient proxy = new Proxy.CurrencyConvertorSoapClient("CurrencyConvertorSoap");

           double rate = proxy.ConversionRate((Proxy.Currency)comboBox1.SelectedValue, (Proxy.Currency)comboBox2.SelectedValue);

           textBox2.Text = (Double.Parse(textBox1.Text) * rate ).ToString();
        }



Currency Converter WSDL :- http://www.webservicex.com/CurrencyConvertor.asmx?wsdl

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