asp.net

Calling asp.net webmethod with params from jquery errors

Hi there, I managed to setup a simple webmethod which i called from jquery and sure enough it returns ... then i added parameters on the method and added the params to jquery but it errors with Message":"Invalid JSON primitive: one.","StackTrace":" my signature on my webmethod is like so [WebMethod] public static str...

ASP.Net MVC with web service as model?

Does anyone have advice or tips on using a web service as the model in an ASP.Net MVC application? I haven't seen anyone writing about doing this. I'd like to build an MVC app, but not tie it to using a specific database, nor limit the database to the single MVC app. I feel a web service (RESTful, most likely ADO.Net Data Services) is th...

Getting requester's login in ASP.NET/VB.NET

Is there a way to get the logged in user from a vb.net web application? IE, if someone logged in as "foo"/"bar" on their local machine accesses the site, I need code to get me "foo"/"bar". This is for a passthrough on our intranet, where everyone uses the same Active Directory. Essentially, I need to harvest the username of the logge...

Best Regular Expression for Email Format Validation with ASP.NET 3.5 Validation

I've used both of the following Regular Expressions for testing for a valid email expression with ASP.NET validation controls. I was wondering which is the better expression from a performance standpoint, or if someone has better one. - \w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)* - ^([0-9a-zA-Z]([-\.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\...

Rich-Text Editing of Word Documents on the Web via ASP.NET

My users upload Word 2007 documents to our site and I'd like to load them into a rich edit control of some kind so the users can make modifications/ comment, etc. What mechanisms are available to: load the Word document via ASP.NET, and parse/format/display the document in a rich editing control? Also, what kinds of rich editing con...

Can you have a Dynamic Data Field which consists of a list of fields?

This is a purely theoretical question (at least until I start trying to implement it) but here goes. I wrote a web form a long time ago which has a configurable section for getting information. Basically for some customers there are no fields, for other customers there are up to 20 fields. I got it working by dynamically creating the ...

ASP.NET Membership Preventing People Logging in as the same user on different machines at the same time

One of the security requirements for my web based system is to prevent people logging in as the same user on different machines at the same time. E.g. to ensure that people cant all log in using the same password/share passwords. Is there a way to achieve this using the ASP.NET membership provider. Will I need to manually store info on...

ColdFusion call to webservice gives org.xml.sax.SAXException

We are a small team with one ASP.NET web developer and one ColdFusion developer. Neither of us knows the other's environment. I wrote an ASMX webservice using Visual Studio 2005 and a web application project in Visual Studio 2008 that successfully consumes the web service. But now we are trying to have my ColdFusion colleague consume the...

Architecture for Satellite Parts of a Larger Application

I work for a firm that provides certain types of financial consulting services in most states in the US. We currently have a fairly straightforward CRUD application that manages clients and information about assets and services we perform for each. It only concerns itself with the fundamental data points and processes that are common to ...

JavaScript and Jaws Screenreader

I'm embarking on a project where accessibility to WCAG 2.0 and the ability to use the web application in the JAWS screenreader are key requirements. I'm looking for insights as to how JAWS treats Javascript, is it a complete no go or is JAWS smart enough to cope!? ...

According to Msdn GridView.DataKeyNames must be set if we want to update database

Hi Use the DataKeyNames property to specify the field or fields that represent the primary key of the data source. You must set the DataKeyNames property in order for the automatic update and delete features of the GridView control to work. a) According to above quote Update should only be possible if DataKeyNames is set, and yet I...

Strong typed Container in WebForms

Hi Take following example of code: (ASP.NET WebForms) <asp:Content ContentPlaceHolderID="Contents" runat="server"> <div class="blogpost-list"> <asp:Repeater ID="blogList" runat="server"> <ItemTemplate> <h2 class="blogpost-title"> <%# (Container.DataItem as BlogPost).Title %> ...

ConflictOptions.OverwriteChanges VS ConflictOptions.CompareAllValues

hi 1) If you are using ConflictOptions.OverwriteChanges, then you also need to set GridView.DataKeyNames, else GridView won’t pass these parameters to the SqlDataSource and thus the Delete operation won’t succeed. But if you’re using ConflictOptions.CompareAllValues, then DataKeyNames doesn’t have to be set. Why? 2) But why nee...

Reading data from BaseDataBoundControl.DataSource (ASP.NET GridView)

I have an ASP.NET 3.5 GridView on a WebForm. The GridView gets data from an ObjectDataSource which is set via the DataSourceID property in the code in front. The ObjectDataSource returns a List of custom data class objects (just a class with public properties) to populate the GridView. What I want to do is use the a List comsumed by t...

Using Oracle session state, and SessionStateStoreProviderBase in my web.config

Hey guys, Does anyone know or ran into an issue with images not getting rendered when using a custom session state. (I'm using oracle session provider) <sessionState cookieless="UseUri" timeout="20" mode="Custom" customProvider="MyOracleSessionStateStore" regenerateExpiredSessionId="true"> <providers> <add name="MyOracleSessionStateSto...

Routing vs Url Rewrite (IIS7) Performance

I was wondering is there any difference in terms of performance between the two approaches? Any good articles on this? ...

jQuery with ASP.NET - How to Create, Populate, and Show UL

In an ASP.NET web app, I am trying to create and populate a UL based on user input. This is not a quick fill. User enters a couple of letters, clicks a button, and the server returns all records like the entry. If there is more than one match, an UL is created showing all of the matches. I've tried to adapt this code from a plugin...

Correct way to reference Javascript in ASP.NET MVC?

What is the correct way to reference Javascript in ASP.NET MVC? Using something like ../../Scripts/Myscript.js seems to work fine for routes that are the traditional {controller}/{action}/{id}, but are more fragile for anything more or less complex than that. Of greater concern is that the rational absolute reference (/Scripts/Myscript.j...

ASP.NET dynamically reassign controls in the control tree

Let's say I have a custom control that looks like this <cc:MyControl runat="server" ID="myc" LinkControlID="NewParent" /> and, on the same page: <asp:TextBox runat="server" ID="NewParent" /> What I would like to do is, from MyControl, change NewParent's parent so that it would be part of MyControl's Controls collection. When I try ...

jQuery POST not changing IsPostback variable

Hi, When using jQuery to POST data back to the server, I'm getting some strange behavior. If I include __VIEWSTATE and __EVENTVALIDATION in my serialized form data, the IsPostback page variable is set to true, If I exclude these two, the IsPostback is set to false. Its easy enough for me to include these two variables but does anyone ...