Web Forms :: Order By With Closest Latitude And Longtitude?
Dec 27, 2010
I am working on Dating Site where i have to show most closest user's near to u on the basis of latitude and longtitude around the distance of 200 K.m.so what i am doing currently . i just find all the users latitude and longtitude and then convert them into the distance and then checkingwheather they are under the distance of 200 k.m . if out of 500 , 10 are under the 200 k.m distance they are displayed with No Issue :).As I am from london so the closest users should be from london as i myself frm london than other users which are under the boundry of 200 k.m.But it shows according to users id. not according to there closness to me The Coding that i did is show below.
string hold_latLong = "";
public void calDistance(PropertiesClass pc)
{
[code]...
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[URL]
every thing is Ok there when i do it by calculator but when i started doing it by programmatically there is a diiference in result.
here is my part of code
lat = Convert.ToDouble( (s3[a]));
longt =Convert.ToDouble( (s4[a]));
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication5._Default" %>
<%@ Register assembly="GMaps" namespace="Subgurim.Controles" tagprefix="cc1" %>
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<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
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Key="ABQIAAAAs98ZVKM_IHFkRP_EavW_DhT2yXp_ZAY8_ufC3CFXhHIE1NvwkxQGoS16N7wYnBPhgtjTxMaUVN58kA" />
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<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<br />
<br />
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
</div>
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</body>
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var w = [], wp;
var rleg = directionsDisplay.directions.routes[0].legs[0];
data.start = {'lat': rleg.start_location.lat(), 'lng': rleg.start_location.lng()}
data.end = {'lat': rleg.end_location.lat(), 'lng': rleg.end_location.lng()}
var items = new Array();
[Xode] ....
Above code Output :
{"start":{"lat":22.3038548,"lng":70.80213219999996},"end":{"lat":22.470967,"lng":70.05772219999994},"waypoints":["jamnagar","kalavad"]}
But I want to output like this :
{"start":{"lat":22.3038548,"lng":70.80213219999996},"end":{"lat":22.470967,"lng":70.05772219999994},"waypoints":[[22.224905,70.62623409999992],[22.509108,70.22394120000001]]}
So how to convert waypoints location name into waypoints location latitude and longitude????
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