asp.net

How do I generate a dynamic connection string in Entity Framework 4?

Is it possible to choose a specific database that will be used with the entity framework? At this time, I use the connection string in the Web.Config as database authentication. I have twelve databases, each of them has the same structure and the same stored procedure. There is one database for each client. When a client wants to login...

Editing word documents in a web page

I realise this question has been asked many times before but a lot of them are old now without an answer. I have a need for users to be able to edit word documents from my web page. Are there any editors, or components, that will allow me to do this? A bit of background, the user will be able to upload a word document to my site and t...

SWFUpload+IHttpHandler is waiting to buffer entire file

I am currently having a problem using SWFUpload to upload a file and using an HttpHandler to handle the upload. As soon as the Context.Request.File["Filedata"] object is accessed it waits for the entire file to buffer. This prevents me from quickly validating based on things like the filename. Also I'm mainly concerned because the beh...

ASP.Net class loading questions

1) In a standard .Net application, are classes loaded as they are required? (e.g. If I have a class with a static constructor, is that static constructor only run the first time that class is needed?) 2) In an ASP.Net MVC (or web forms) application, is the static constructor invoked on every request that uses it? Or is it only for the f...

Serializing a javascript array with Jquery

I have the following code: <script type="text/javascript"> var checksSinceLastPostBack = new Array(); function clientSelectedIndexChanged(sender, eventArgs) { var ajaxManager = $find("<%= RadAjaxManager.GetCurrent(Page).ClientID %>"); var serializedCheckData = checksSinceLastPostBack.serializeArray(); if (ajaxManager != nu...

Why did Scott Guthrie suggest us to use a random, small sleep delay in a Error.aspx?

I cannot figure out, how can a random, small sleep delay can be a solution to prevent an attacker from probing our site. This is his code snippet: <%@ Page Language="C#" AutoEventWireup="true" %> <%@ Import Namespace="System.Security.Cryptography" %> <%@ Import Namespace="System.Threading" %> <script runat="server"> void Page_Load() {...

Silverlight 4 screen capture function

Hello everyone, I am wondering whether Silverlight 4 is able to capture screen as image or capture screen operations as video? Or both? Is there an online Demo to experience the effect? I am using C# + .Net 4.0 + VSTS 2010 + ASP.Net + III 7.5. thanks in advance, George ...

Another way to pass a value across WebForms

If I use a Server.Transfer command with a true value passed for the "PreserveForm" 2nd param's value: Default.aspx: Server.Transfer("WebForm1.aspx", True) ...I can access the value of the textbox "TextBox1" control on the first page, Default.aspx, from "WebForm1.aspx" as follows: lblPassedValue.Text = Request.Form("ctl00$MainCont...

load balancer question c# asp.net

The place where I work has 2 servers and a load balancer. The setup is horrible since I have to manually make sure both servers have the same files. I know there are ways to automate this but it has not been implemented, hopefully soon (I have no control over this). I wrote an application that collects a bunch of information from a u...

how to create iDoc Fine using c# Asp.Net

can any one help me how to create iDoc File in C#? if there any general approach is there for generation iDoc File? ...

Umbraco CMS(.NET): Logging errors loading xslt/User controls

I was wondering if there's a way in Umbraco to log errors that we get when it fails to load xslt or user-controls. Generally it shows a red box saying it couldn't load the control and stuff. Is there a way to properly log this? Thanks in advance. ...

inserting a row in gridview but reflecting in database?

Hai sir, I am having a task that, i need to insert a row in gridview but it should not effect in to database immideately. I am having a submit button in the form, whenever i click that submit button all the data in the form should be inserted into the database in their respective tables. If you can please help me. Thanking you, Anil ku...

ASP.NET DropDownList problem : SelectedItem isn't changing

Hi, I am populating a DropDownList control as follows - public partial class UserControls_PMS_Send2DeliveryTeam : System.Web.UI.UserControl { protected void Page_Load(object sender, EventArgs e) { if(!IsPostBack) { // SA 100928 Get the delivery teams and their respective email addresses s...

Entity Framework 4 - check if navigation property collection is empty, without Include() or Load()

In an MVC view, I'm looking for a way to determine if a parent entity's collection of child entities is empty, so I can decide if I need to call a RenderPartial() or not. For a one-to-one I've been using the following: <% if (Model.Book.GenreReference.EntityKey != null) %> {.....} but I'm unsure how to do it in a one-to-many sc...

getting Error in insert command in asp.net (string truncated)

i working on asp.net 2.0 and my database is sql server 2005 i am getting error STRING OR BINARY DATA WOULD BE TRUNCATED THE STATEMENT HAS BEEN TERMINATED ON line cmdRegister.ExecuteNonQuery(); THIS MY CODE protected void cmdRegisterme_Click(object sender, EventArgs e) { lblAmount .Text = HFamount .Value ; stri...

Is there any control like contentplaceholder which is in asp.net for plain html

I have HTML pages like example1.html, example2.html, example3.html, and example4.html. All pages have the same header, footer, and sidebar. How can I make one master template which replicates any one of those so that I will avoid repeating header and footer code in each of the HTML pages? My server side will be asmx web services coded...

System.OutOfMemoryException when binding a gridview to a datatable having more then 400000 records

Dear, I am facing system.outofmemmory exception when binding a gridview with a datatable having more then 400000 records please find the below sample code for the same GridView gv = new GridView(); this.EnableViewState = false; gv.DataSource = (DataTable)dt; gv.DataBind(); Kindly help me to overcome in this situation is there any lim...

Developing valid xhtml document from unformed html

I want to develope the valid xhtml doc the input doc is not well formatted i managed to correct some errors but stuck up in condition like <span>......<p></span>...</p> there can be any tags in place of span and p......but condition is as mentioned i want to handle this condition i m new in .net c# plz do the needful.... thanx. ...

jQuery code doesn't work in ASP.NET user control

Hi. i am using jQuery colorbox plugin. it is true with asp.net page but not in asp.net user control. what is the problem? <html lang="en"> <head> <meta charset="utf-8" /> <title>ColorBox Examples</title> <style type="text/css"> body { font: 12px/1.2 Verdana, Arial, san-serrif; padding:...

Accessing ASP.NET Master Pager public properties in child page.

I'm embarrassed to ask this here because it's clearly been duplicated several times already on StackOverflow. I've read a lot of stuff including: http://msdn.microsoft.com/en-us/library/xxwa0ff0 http://msdn.microsoft.com/en-us/library/c8y19k6h.aspx http://www.velocityreviews.com/forums/t110056-cannot-access-strongly-typed-properties...