void FnContactSelected(PhoneContactClass _objPhoneContactClass)
{
objPhoneContactClass = _objPhoneContactClass;
PerformSegue ("EditContact",this);
}
async Task<int>FnInsertRecord()
{
objPhoneContactLocalClass = new PhoneContactClass ();
objPhoneContactLocalClass.strContactName = txtContactName.Text;
objPhoneContactLocalClass.strContactNumber =Convert.ToInt64( txtContactNumber.Text);
int intRow=await sqlAsyncConnection.InsertAsync ( objPhoneContactLocalClass );
objPhoneContactLocalClass=null;
return intRow;
}