title: Xamarin Forms Button OnClick
body: <p>I currently have a ContentPage.cs in my project, using Xamarin Forms as work environment, and I was just wondering if I could be able to add an OnClick for the button that is at the end of the code.  Any help is very appreciated. Thanks in advanced.</p>
  
  <p>using System;</p>
  
  <p>using Xamarin.Forms;</p>
  
  <p>namespace DebuggerTestAndroidIOS
  {
      public class VSParameters : ContentPage
      {
          public VSParameters ()
          {
              Content = new StackLayout { 
                  Children = {
                      new StackLayout { BackgroundColor = Color.FromHex("0ADF80"),
                          Children = {</p>
  
  <pre><code>                        new Label { Text = PatientInformation.PatientName,
                              TextColor= Color.White,
                              FontSize = 25
                          } 
                      }
                  },
  
                  //Patient Information Stack Layout
                  new StackLayout{ Orientation = StackOrientation.Horizontal, 
                      Children = {
  
                          //Patient Image, sex and date of birth
                          new StackLayout{Orientation = StackOrientation.Vertical, Padding = new Thickness (30, 0, 0, 0),
                              Children = {
  
                                  new Image {Source = "UserMale.png"},
                                  new Label {Text = "Sex: " + PatientInformation.Sex  , FontSize = 15, TextColor= Color.Black},
                                  new Label{Text = "Date of Birth: " + (PatientInformation.DateOfBirth).ToString(), FontSize = 15, TextColor= Color.Black}
                              }
  
                          },
  
                          //other patient information
                          new StackLayout{Orientation = StackOrientation.Vertical, 
                              Children = {
                                  new Label {Text = "ID: " + PatientInformation.PatientID, FontSize = 15, TextColor= Color.Black},
  
  
                                  new Label{Text = "Room: " + PatientInformation.RoomNumber, FontSize = 15, TextColor= Color.Black},
                                  new Label {Text = "Bed: " + PatientInformation.BedID, FontSize = 15, TextColor= Color.Black},
                                  new Label{Text = "Primary Doctor: " + PatientInformation.PrimaryDoctor, FontSize = 15, TextColor= Color.Black}
  
                              }
  
                          }
  
  
                      }
                  },
                  new StackLayout {Orientation = StackOrientation.Horizontal, Padding = new Thickness(30, 0, 0, 0),
                      Children = {
  
                          new StackLayout{Orientation = StackOrientation.Vertical, 
                              Children = {
                              new Label {Text ="Heart Rate", FontSize= 20, TextColor = Color.FromHex("D95D65"), HorizontalOptions = LayoutOptions.StartAndExpand},
                                  new Label{Text=""},
                                  new Label {Text ="Temperature", FontSize= 20, TextColor = Color.FromHex("08CD78"), HorizontalOptions = LayoutOptions.StartAndExpand},
                                  new Label{Text=""},
                              new Label {Text ="Respiration Rate", FontSize= 20, TextColor = Color.FromHex("08CD78"), HorizontalOptions = LayoutOptions.StartAndExpand},
                              new Label {Text ="Blood Pressure: ", FontSize= 20, TextColor = Color.FromHex("D95D65"), HorizontalOptions = LayoutOptions.StartAndExpand},
                                  new Label{Text=""},
                                  new Label{Text=""},
                                  new Label {Text ="Systolic", FontSize= 18, TextColor = Color.FromHex("D95D65")},
                              new Label {Text ="Diastolic", FontSize= 18, TextColor = Color.FromHex("D95D65")}
                              }
                          },
  
                          new StackLayout{Orientation = StackOrientation.Vertical, 
                              Children = {
                                  new Entry {TextColor = Color.Black, BackgroundColor = Color.FromRgb(231, 231, 231), WidthRequest= 100},
                                  new Entry {TextColor = Color.Black, BackgroundColor = Color.FromRgb(231, 231, 231), WidthRequest= 100},
                                  new Entry {TextColor = Color.Black, BackgroundColor = Color.FromRgb(231, 231, 231), WidthRequest= 100},
                                  new Label{Text=""},
                                  new Label{Text=""},
                                  new Label{Text=""},
  
                                  new Entry {TextColor = Color.Black, BackgroundColor = Color.FromRgb(231, 231, 231), WidthRequest= 100},
                                  new Entry {TextColor = Color.Black, BackgroundColor = Color.FromRgb(231, 231, 231), WidthRequest= 100},
  
  
                              }
                          },
  
                      }
  
                  },
  
                  new StackLayout{HorizontalOptions = LayoutOptions.Center,
                      Children = {
  
                          new Button{Text = "Add parameters"}
  
  
                      }
  
                  }
              }
          };
  
      }
  }
  </code></pre>
  
  <p>}</p>