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how can i determine browser window size on server side c sharp

how can i determine browser window size on server side c sharp  using -'c#,,.net'

asked Sep 9, 2015 by PamMonnier
0 votes

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This will result in the width and height of the browser window being available on postback. Just access the hidden form inputs like this:

var TheBrowserWidth = width.Value;
var TheBrowserHeight = height.Value;

Note on UpdatePanels: If you are posting back via UpdatePanels, I believe the hidden inputs need to be within the UpdatePanel.

Alternatively you can post back the values via an ajax call. This is useful if you want to react to window resizing.

answered Sep 9, 2015 by MandyNanson
0 votes

So here is how you will do it.

Write a javascript function which fires whenever the window is resized.

window.onresize = function(event) {
    var height=$(window).height();
    var width=$(window).width();
     url: "/getwindowsize.ashx",
     type: "POST",
     data : { Height: height, 
              selectedValue:selectedValue },
     contentType: "application/json; charset=utf-8",
     dataType: "json",
     success: function (response) { 
           // do stuff


Codebehind of Handler:

 public class getwindowsize : IHttpHandler {

public void ProcessRequest (HttpContext context) {
    context.Response.ContentType = "application/json";
     string Height = context.Request.QueryString["Height"]; 
     string Width = context.Request.QueryString["Width"]; 
answered Sep 9, 2015 by FedEck