I need to provide the json string as response to the request made using webrequst as : [URL] ....
Above request will come from other application using webrequest ...
How to implement the page(aspnet.aspx) which handles the request and gives the json string as response. I know how to made webrequest. I am struggling at server end. How to receive request and give response as json string.
I want to Insert Sql Script in the database using Callback Event Handler.
View 2 RepliesI am using ASP.NET Callbacks (that implements the ICallbackEventHandler) and in the handler, I try to set a value of the text box:
txtName.text = "Test";
but this value is not set. Is this a limitation with callback? It appears I cannot do much in a callback handler other than sending back a string to the client side (ofcourse I can access the Session etc)
i want to access session value after login ..temrory procedure i knw but i heard about ashx file to manage session so what is the method to use it?
View 1 RepliesHow can I access ViewData from JSON callback. The following is my code:
public ActionResult DynamicGridData(string sidx, string sord, int page, int rows)
{
Fast.IMS.Search.Search mySearch = new Fast.IMS.Search.Search(session["strText"]);
myResults = mySearch.ExecuteSearch();
[Code]....
I want to download any type of file on button click,so have created a .ashx page and redirected the .aspx page to the .ashx page.Is this way correct to do the task.Below mentioned code works fine.
<%@ WebHandler Language="C#" Class="Handler" %>
using System;
using System.Web;
public class Handler : IHttpHandler {
public void ProcessRequest (HttpContext context) {
var fileName = "Tracing.pdf";
[Code] ....
I have write a simple generic handler with VB as the language.
I am then trying to access the static properties of the handler via an aspx page using <%= handlerclassname.propname %> code.
However it is failing to compile. The compiler throws an error Name HandlerClassname is not declared.
I have checked in my code about namespace or something like that, but there aren't any.
Compilation option in web.config is
<compilation
debug="true"
strict="true"
explicit="true">
How can I do asp.net fileupload (on change) using javascript, generic handler?
View 1 RepliesI am generating an image using handler and showing that image on image control. Now I want to download same image which is generated using handler. In my handler, I am passing imagepath and one querystring and retrieving some data from database and watermark that content to my image. How to download that same image.
Code:
protected void Page_Load(object sender, EventArgs e) {
if (Request.QueryString.HasKeys()) {
string Code = Request.QueryString["Code"].ToString();
Session["Code"] = Code;
imgCoupon.ImageUrl = String.Format("ImageHandler.ashx?ImageUrl=" + Server.MapPath("Images/coupon.jpg") + "&Code=" + Code + "");
[Code] ....
I have a page that is using the Ajax asynch file uploader. What I would like to have happen is after the file is uploaded I would like to have it displayed in a list on the page. I am looking for a way to fire a callback event when the file upload is complete. Is it possible using the asynch fileupload control?
View 1 RepliesI have images of big size. I want to resize them according to their width and height. If width is bigger than height then maximum width will be 650px and height will in proportion of width. If height is bigger than width then maximum height will be 650px and width will be in proportion of height. How I will resize images proportionally using handler in ASP.Net,C#.
View 1 RepliesI have used [URL]....
above method to save and retreve files from sql server database. I have uploaded around 50-60 images as jpg. But it taking so much time to get display online. but it's working faster when accessing from local database.
There's the page where images are displaying [URL]....
Is the speed for images retreiving from sql database is slower as compared to retrieving images from folder..?
.vb code:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
scroll = fillbannerpics()
End If
End Sub
[CODE]..
How can I bind image control with captcha from generic handler using jquery.
View 1 Repliespublic class JsonBuilder
{
private StringBuilder json;
public JsonBuilder()
{
json = new StringBuilder();
}
public JsonBuilder AddObjectType(string className)
{
json.Append(""" + className + "": {");
return this;
}
public JsonBuilder Add(string key, string val)
{
json.AppendFormat(""{0}":"{1}",", key, val);
return this;
}
public JsonBuilder Add(string key, int val)
{
json.AppendFormat(""{0}":{1},", key, val);
return this;
}
public string Serialize()
{
return json.ToString().TrimEnd(new char[] { ',' }) + "}";
}
}
Here is the Web Method [WebMethod]
public static string GetPersonInfo(string pFirstName, string pLastName)
{
var json = new JsonBuilder().AddObjectType("Person");
json.Add("FirstName", "Psuedo" + pFirstName).Add("LastName", "Tally-" + pLastName);
json.Add("Address", "5035 Macleay Rd SE").Add("City", "Salem");
json.Add("State", "Oregon").Add("ZipCode", "97317").Add("Age", 99);
return json.Serialize();
}................
In Visual Studio 2010, when you say new Item, you can see Asp.NET Handler and Generic Handler. Can you tell me what's the difference, I think it came with .NET 4.0 because I couldn't find related thins on Google.
View 1 RepliesI Have a generic handler that's serving member logo images:
http://site.com/logo.ashx?memberid=123
Now, I want to use it by caling a url like:
http://site.com/logo/john.jpg
So I would create a route for that (pattern: "logo/{username}.jpg"). But, my problem is - how do I retrieve {username} when inside ProcessRequest() of my generic handler? It's not a page, so I can't get Page.RouteData.Values.
I am new to MongoDB and have a perfect place in mind to use it. However, it's only worth it if I can make the queries from JavaScript and return JSON.
What's the easiest way I can implement a generic service/handler in asp.net/c# that would allow me to interact with mongodb via JavaScript? I understand JavaScript can't call mongodb directly, so the next best thing is what I'm looking for.
I'm trying to using a Generic Handler to retrieve and display images that are stored in a database.
But its just not working. Ive tried verious of the code below, but I cant seem to get it to work.
<%@ WebHandler Language="C#" Class="IconsDb" %>
using System;
using System.Web;
using System.Linq;
using System.Data.Entity;
[Code]....
I'm sending values to Generic Handler via Ajax like that way.
xmlHttpReq.open("GET", "AddMessage.ashx?" + (new Date().getTime()) +"&Message=" + Message,true);
when message contains they are looking like that on Handler in context.Request. these characters are looking as it should. But in context.Request.Url they are looking like and when i want QueryString values it gives me what can i do?
I am creating a myspace application and for some database entries I am using generic handlers which I have hosted on another website. From my myspace application I use ajax calls to those handlers to perform the activities that I want. I want to know how can I make these ajax calls secure? I mean I want to be sure that the handlers are being called by only the myspace app and not by entering url into the browser etc.
View 2 RepliesHow can i resolve a virtual path to a file into a path, suitable for the browser, from within a generic .ashx handler?
e.g. i want to convert:
~/asp/ClockState.aspx
into
/NextAllowed/asp/ClockState.aspx
If i were a WebForm Page, i could call ResolveUrl:
Page.ResolveUrl("~/asp/ClockState.aspx")
which resolves to:
/NextAllowed/asp/ClockState.aspx
But i'm not a WebForm Page, i'm a generic handler. You know, that IHttpHandler object with all kinds of things injected:
[Code]....
I have a WYSIWYG editor on one of my forms and I want to send the contents of the editor to an ASP.NET generic handler for processing via an Ajax call.
I am having a little bit of trouble parsing the html received.
Client Side:
$(function(){
$('.send').bind('click', function(event){
var message = $('#TxtMessage').htmlarea('toHtmlString');
message = escape(message);
[Code]....
So the problem is that even when I call Server.HtmlDecode(string) the message is garbled.
how would i go about returning a generic list in json format, can anyone point me to any good examples.
View 2 RepliesI have created .ashx which implemented IRequiresSessionState, so I can create session variables in that ashx, it worked in IE, but doesn't work in Firefox.When access this session variable from other pages it's NULL.
View 1 RepliesCurrently in my webpage i load images to the ListView object as follows...
<ContentTemplate>
<asp:ListView ID="ListView1" runat="server">
<layouttemplate>
[code]...