C# - Which Better To Use For Handling Requests Aspx Or Ashx?
Mar 14, 2011i am creating a httpRequest handler to download files my question is which better to use aspx or ashx ?
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Call An ASHX From Inside An ASPX.VB Function?
Feb 24, 2009I need to get a value from an API I made with ASHX and normally it is called from javascript but I need to call it right in ASP.NET I figured this shouldn't be a problem but I'm not sure the syntax.
View 2 RepliesService AJAX Requests With Webmethod In ASPX Page
Jan 23, 2012I am trying to service AJAX requests with a method in my .aspx page. For some reason I am not getting the data returned that I want.
mypage.aspx:
<%@ Page Language="VB" Title="My Page" %>
<%@ Import Namespace="System.Web.Services" %>
<%@ Import Namespace="System.Collections.Generic" %>
[Code].....
When I click mybutton I get an alert "error:" and then whole lot of HTML that says:
Unknown web method testmethod.
Parameter name: methodName
Pass A Value Bounded With A Button In Form1.aspx To Form2.aspx?
May 2, 2011Im trying to pass a value bounded with a button in form1.aspx to form2.aspx
form1.aspx:
<asp:Button ID="Button1" runat="server" Text="Button" CommandArgument = '<%#Eval("Parking_ID")%>' />
[code].....
Pass Parameter From Page1.aspx To Page2.aspx Via The Session?
Jun 8, 2011I have two aspx pages. I need to send a textbox(record_id) value as a parameter from page1.aspx to page2.aspx to be utilized within a SqlCommand query in the VB code behind page. I would like to pass this parameter using the session. Page1 is a gridview which displays records from a sql datasource and on the edit button click the user is redirected to page2 which populates several textboxes and drop down lists and allows the user to edit the record.
page1.aspx:
<div id="header">
<h1>Page1</h1>
[code]......
Have Page1.aspx Refresh Once Page2.aspx Is Closed?
Feb 22, 2012If Page1.aspx opens Page2.aspx in a window, how can I have Page1.aspx refresh once Page2.aspx is closed?I have a page with data on it and I have a LinkButton set up so the user can edit that data. The LinkButton launches another windowed page with some text fields and a "Save" & "Cancel" button. Once one of those clicks I execute a save and close the window OR just disregard the information and close the window. I was hoping to have the initial window with the data on it refresh once the 2nd window is closed.
View 1 Replies.ASHX File Not Being Called?
Feb 20, 2012I am having trouble getting my .ASPX page to call my .ASHX file. Does anyone know what I might be leaving out? I have posted my entire .ASHX file below along with a little .aspx.
Imports System.Web
Imports System.Web.Services
Imports System.Data.SqlClient
[Code]....
Asp.net - .net Ashx Web Handler How To Return Lists?
Mar 2, 2012I have a vb.net web handler which builds two strings The strings basically looks like this:
["filename", "filepath"],["filename", filepath"],...,["filename", filepath"]
I need to return it in a way that the strings are sent with the name of the list, followed by the list
["listname": {["filename", "filepath"],["filename", filepath"],...,["filename", filepath"]}
I know that the web handler will automatically json encode the data, and that the way I have built my list should be reworked (the way we previously used this it was exactly what we needed).What might be a better way for me to house my data and return it to the browser in a way that is understood correctly?
Getting File From .ashx With A JQuery Post?
Jan 11, 2012This question is a following from another question I asked - Passing client data to server to create Excel or CSV File. I have a client page which builds a JSON object to send to the server, and I have server code which can parse that JSON object into an SQL command and end up with a dataset of required data.
I had originally been passing the JSON object to an .asmx web service which would return a JSON object containing my data. Now I want to go in a different direction and have the data returned as a .csv file.
I understand I can try to put my JSON object into a query string and call my .ashx page, but the JSON object could get large, so I'm trying to use the Request.Form of a POST.
My question, and lack of understanding, is in how to use jQuery to post to the .ashx page and have it return the .csv file to the client. If I navigate to the .ashx page directly (and modify the page to hard code the passed data), I get the .csv file returned to me no problem (i.e I get the prompt to open/save the file). If I make a POST to the .ashx file from jQuery and send my JSON object through, I get a response which contains the data in a string, rather than getting a .csv.
So, is there something I am missing, or am I just trying to achieve something that I can't or shouldn't be doing? I'd thought about passing my JSON object to a .asmx web service which would store the JSON object into a database and return an ID, and then use window.location to browse to the .ashx with the ID as a query string parameter to then generate the .csv file, but I thought there might be a way to avoid that middle step and do it with the POST.
C# - Broken Link Between Aspx And Aspx.cs Files?
Oct 27, 2010I've had the same problem a couple of times with different ASPX pages after renaming them and I am surprised that I can't find someone else with the same problem on stackoverflow.When I run my ASP.NET C# project, the debugger gives me a message like this one.
Error 5 The name 'txtTitle' does not exist in the current context
It seems that the aspx and aspx.cs files at no longer bound. The only fix I have found for this is to recreate the page and copy/paste my code. how to fix this without recreating the whole thing?
Asp.net - Return Re-sized Image From Database Through .ashx
Aug 8, 2011I'm looking to return a thumbnail image from a full size image stored as varbinary(max) in the database. I'll be using the thumbnails in a gallery-style view, so small size / efficient loading is crucial. I've been using an .ashx to return the full size image into a bound asp.net Image control, with the following code:
Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
Dim conn As New SqlConnection()
[Code]....
I realize it's probably best to address the re-size at the upload, and stored the smaller image as a discrete column. But in the meantime, is it possible to program the handler to re-size the image on the fly? Ideally, I'd be able to pass an additional query string parameter, something like isResized from the image binding, allowing the same handler to be used for both full size and re-sized images.
Asp.net - Find What Process Called ProcessRequest In An .ashx Web Handler File?
Jan 31, 2012I have a context.Request.QueryString item that is returning the wrong value in the ProcessRequest method of a .ashx handler.
The code is like so:
Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
Dim strOrderItems As String = Convert.ToString(context.Request.QueryString("OrderItems"))
End Sub
One of the values returned by "OrderItems" is wrong. How can I find out what process has called this method to fix the incorrect data?
Write The Contents Of B.aspx On A.aspx?
Jan 16, 2009I have two asp pages. a.aspx is layout and b.aspx is content. I want to display the contents of b.aspx inside a <div> on a.aspx. I know with PHP you can do it like so:
//a.php
<html>
<head>
[Code]....
Asp.net - Transfer Textbox1 Value From Default1.aspx To Textbox1 Of Default2.aspx In Hidden Parameters?
Mar 2, 2011I have two webpage in my website namely Default.aspx and Default2.aspx
I have asp.net textbox1 and button1 inside Form tag in Default.aspx page
and i have textbox1 inside form tag in Default2.aspx page
i want when i wanna transfer the textbox1 text of default.aspx page into default2.aspx textbox1 text hidden parameters ... which will not show query string in address bar and transfer value from one page to another..
Unable To Access Textbox Variable Declared In Aspx File From Aspx.vb File
Dec 27, 2011I have following abc.aspx file:
[Code]...
When i try to use this it gives error: txtSearch is not accesible? what am i doing wrong here? This is not complete code just a snippet. But i think it gives an idea what am i trying to do.
How To Redirect To Another .aspx Page On Clicking On A Rectangle On A .aspx Page?
Mar 18, 2011how to redirect to another .aspx page on clicking on a rectangle on a .aspx page? mention the whole program including headers, preferably in vb
View 1 RepliesImage Bind - Onversion From String "Handler.ashx?ID=" To Type 'Double' Is Not Valid
Aug 11, 2011<asp:TemplateField
HeaderText="Image">
<ItemTemplate>
[CODE]...
When i run my form then it will show this.......and using vb.net. onversion from string "Handler.ashx?ID=" to type 'Double' is not valid.
Jquery - Colorbox- Get Value From Popup (Child.aspx) Page To The Parent (parent.aspx) Page?
Jun 27, 2012I have 2 pages. parent.aspx and child.aspx. In parent.aspx, i use colorbox and send some value for the child.aspx to popup.
[code]...
child.aspx will popup and shows ASPxGridView base on the value passing from parent.aspx. User will select the data from ASPxGridView. the selected data need to send back to the parent page. I code it in child.aspx.vb page.My problem is how can i get the value from child.aspx.vb and pass it to parent.aspx ?
.net - Passing Variable From .aspx.vb To .aspx Javascript Variable
Jan 11, 2011How do I pass a variable difined in .aspx.vb to .aspx. I've tried this in the .aspx.vb:
[Code]....
'postcode' is not declared. It may be inaccessible due to its protection level. What am I doing wrong?
Hide Div In Aspx Page And Show Div In Aspx.vb Page?
Mar 15, 2012I have following code in aspx page:
<div id="a" runat="server" style="display:block;">
abc
</div>
[code].....
Store Multiple Id's From First Aspx Page To Next Aspx Page?
Jun 17, 2010i have my first aspx page that has data thatthe user fills in. it is in format of textbox's and at the end of it all the user clicks submit and all data goes in the database. In the database each record gets an ID field. Now when the users clicks submit and goes to the next page, i want the ID's (they could be 1 to 1000+) from the DB that he just inserted and have them available on the second page. how can i take all the id's from page 1 to page 2? can i do it in session?
View 2 RepliesC# :: Listening For ARP Requests?
May 28, 2012explain to me how listening to ARP requests in VB.net or C #?
View 2 RepliesDealing With Multiple Requests?
Jul 30, 2009I have a website and say a user comes along and fills out the form with bogus data. Then after he fills it out, he enters another one and another one and another one of bogus data. He's basically just trying to clog up the data base.
How is the best way to combat this? Would it make sense to when they submit the data track the IP address?
.net - HttpWebRequest Timeouts After Ten Consecutive Requests
Jul 28, 2009I'm writing a web crawler for a specific site. The application is a VB.Net Windows Forms application that is not using multiple threads - each web request is consecutive. However, after ten successful page retrievals every successive request times out. I have reviewed the similar questions already posted here on SO, and have implemented the recommended techniques into my GetPage routine, shown below:
[Code]...
Monitor Print Requests And Add A Header
Nov 18, 2009I'm wanting to write a program in vb .net that could monitor outgoing print requests from any program on the PC, prompt the user if they would like to add a header to the document, and if they say yes, then tack it on (if the user has printed something in the space where the header will go, just print on top of it). Is this possible? I've looked around for ideas on how to do this, but I can't seem to find anything.
View 1 RepliesPhp - Sql Connection Open For Iterating Many Requests?
Jan 26, 2011this is general to any operation calling an SQL server, or anything requiring an open connection at that.
Say I have anywhere from 20 to 1000 Select calls to make for each item in data being looped. For each step, I'll select from sql, store data locally in a struct, then proceed. This is not a very expensive call, so should I keep the connection open for the entire loop? Or should I open and close every step?
How expensive in run time is opening a connection? I would think it'd be better to keep the connection open, but would like to get the correct response for this.
Post - Error 403 In HTTP Web Requests?
May 22, 2011while using HTTP web Requests, when i try and read the stream i always get an error saying 403 Forbidden but if i try to do it in the VB.Net web browser it works fine. Here is my code:
Imports System.Net
Imports System.Text
Imports System.IO
[Code]....
Respond To HTTP HEAD Requests Using ASP.NET?
Nov 24, 2011I have a server making a head request to a database dump I've created. The remote server does this to make sure that it's not using excessive bandwidth when not necessary.However, due to some other circumstances outside my control this causes the script to be hit twice: once for the head request, and then another time to download the data.
What I'd like is to have the script I've written detect the head request, send back a couple of headers (e.g. last modified is right now, filesize different than before), and exit. Is there a way to do this?
Respond To HTTP HEAD Requests?
Dec 26, 2011I have a server making a head request to a database dump I've created. The remote server does this to make sure that it's not using excessive bandwidth when not necessary.However, due to some other circumstances outside my control this causes the script to be hit twice: once for the head request, and then another time to download the data.
View 1 RepliesWCF Refusing To Attach ClientCredentials To Requests?
Nov 11, 2011I have a web service I'm trying to interface with however no matter what I try it is refusing to send the clients credentials along with the request.The security block in my app.config looks like
<security mode="Transport">
<transport clientCredentialType="None" proxyCredentialType="None" realm="" />
<message clientCredentialType="UserName" algorithmSuite="Default" />
[code].....
