button event

keyserv.updateAreamasterAsync(int.Parse(txtarID.Text), txtarCode.Text, txtarDesc.Text);

keyserv.insertAremasterAsync(txtarCode.Text, txtarDesc.Text); 

using System.Windows;
using System.Windows.Controls;
using System;

namespace amps1.Views
{
    public partial class cwAreaMaster : ChildWindow
    {
        keyServiceReference.keyDataWebServiceSoapClient keyserv = new 
               amps1.keyServiceReference.keyDataWebServiceSoapClient();

        //--------------------------------------------------------------
        public cwAreaMaster()
        {
            InitializeComponent();
            keyserv.insertAremasterCompleted += new EventHandler<amps1.keyservicereference.insertaremastercompletedeventargs>(keyserv_insertAremasterCompleted);

       
            keyserv.updateAreamasterCompleted += new EventHandler<amps1.keyservicereference.updateareamastercompletedeventargs>(keyserv_updateAreamasterCompleted);
           
        }

     
        //--------------------------------------------------------------
        private void OKButton_Click(object sender, RoutedEventArgs e)
        {
            Button btnedit    = this.dtForm.FindNameInContent("edit") 
                                as Button;
            TextBox txtarID   = this.dtForm.FindNameInContent("arID") 
                                as TextBox;
            TextBox txtarCode = this.dtForm.FindNameInContent("arCode") 
                                as TextBox;
            TextBox txtarDesc = this.dtForm.FindNameInContent("arDesc") 
                                as TextBox;
       
            if (btnedit.IsPressed == true)
            {
                keyserv.updateAreamasterAsync(int.Parse(txtarID.Text), 
                                              txtarCode.Text, 
                                              txtarDesc.Text);      
       
            } 
            else 
            {
                keyserv.insertAremasterAsync(txtarCode.Text, 
                                             txtarDesc.Text); 
            }
            OKButton.IsEnabled = false;
            CancelButton.IsEnabled = false;
            //this.DialogResult = true;
        }


        //--------------------------------------------------------------
        void keyserv_insertAremasterCompleted(object sender, amps1.keyServiceReference.insertAremasterCompletedEventArgs e)
        {
            if (e.Result > 0)
            {
                CancelButton.IsEnabled = true;
                CancelButton.Content = "Close";
            }
        }


        //--------------------------------------------------------------
        void keyserv_updateAreamasterCompleted(object sender, amps1.keyServiceReference.updateAreamasterCompletedEventArgs e)
        {
            if (e.Result > 0)
            {
                CancelButton.IsEnabled = true;
                CancelButton.Content = "Close";
            }
        }


        //--------------------------------------------------------------
        private void CancelButton_Click(object sender, RoutedEventArgs e)
        {
            this.DialogResult = true;
        }
    }
}