how to implement search bar in xamarin.forms

Question

we are working  on xamrin.forms shared  application,  i want to implement search bar activity in my project  

i have sample code for the implemetation here

 

 

public partial class MainPage : ContentPage

{

public class LVsearItem

{

public string SName

{

get;

set;

}

}

private readonly ObservableCollection<LVsearItem> Iitem;

public MainPage()

{

InitializeComponent();

ObservableCollection<LVsearItem> items = new ObservableCollection<LVsearItem>();

items.Add(new LVsearItem()

{

SName = "raghu"

});

items.Add(new LVsearItem()

{

SName = "vicky"

});

items.Add(new LVsearItem()

{

SName = "singmodel"

});

items.Add(new LVsearItem()

{

SName = "ravi"

});

items.Add(new LVsearItem()

{

SName = "raju"

});

items.Add(new LVsearItem()

{

SName = "phateal"

});

items.Add(new LVsearItem()

{

SName = "nayaksing"

});

Iitem = items;

lvSearch.ItemsSource = Iitem;

}

private void FilterNames()

{

string filter = searching.Text;

lvSearch.BeginRefresh();

if (string.IsNullOrWhiteSpace(filter))

{

lvSearch.ItemsSource = Iitem;

}

else

{

lvSearch.ItemsSource = Iitem.Where(x => x.SName.ToLower().Contains(filter.ToLower()));

}

lvSearch.EndRefresh();

}

void OnSearchBarTextChanged(object sender, TextChangedEventArgs args)

{

FilterNames();

}

void OnSearchBarButtonPressed(object sender, EventArgs args)

{

FilterNames();

}

 her items are add from "items.Add(new LVsearItem()"

but i want add  these itams from my database table.

 

 while items are searched in search bar it will redirected from databse table 

 

 how to do this 

 

 

 

 

 

//database table // 

public Doctors()

{

}

[PrimaryKey, AutoIncrement]

public int ID { get; set; }

[MaxLength(25)]

public string Name { get; set; }

[MaxLength(40)]

public string Specialization { get; set; }

[MaxLength(40)]

public string Username { get; set; }

[MaxLength(40)]

public string Email { get; set; }

[MaxLength(40)]

public int Phoneno { get; set; }

[MaxLength(20)]

public string Password { get; set; }

[MaxLength(30)]

public string Confirmpassword { get; set; }

[MaxLength(30)]

public string Address { get; set; }

}

}