Default to last page in a ListView
Using a standard ASP.NET ListView with a LinqDataSource and pagination enabled (with a DataPager), what would be the best way to default to displaying the last page of results? ...
asp.net
Why does ASP.NET cause the "Operation Aborted" Error in IE7?
I have been reading lots of blog posts offering cause and solution to the "Operation Aborted" error in IE. I recently built an application that is getting this error for some of ther users, some of the time. Let me explain in detail. The application is .NET 2.0, ASP .NET and C# web application built in VS 2008. It uses ComponentOne web...
Design time support for Templated User Controls in VS2008
I've been reading the following article to create a user control with a template: http://msdn.microsoft.com/en-us/library/36574bf6(VS.80).aspx The problem is, during design time, in design mode, I get the error "Usercontrol does not have public property named MessageTemplate". I've tried the suggestions to the comments on the bottom of...
A better way of filling out an excel spreadsheet on a web server in ASP.NET than interop?
Is there a better way I can fill out a spread sheet on a web server (using asp.net) than using interop? EDIT: I wasn't very clear as to what I require: I have a template that I must use that is provided by our customer. In the template are some macros that are password protected that I do not have access to so I cannot generate the exc...
DropDownList doesn't show enough rows
In ASP.NET, a ListBox has a Rows attribute I can set to say how many rows to show. A DropDownList, though, doesn't. Is there any way I can set the maximum number of rows a DropDownList should display? Code? Markup? CSS? ...
Render Self-Closing Tag in ASP.NET custom control derived from Control
I'm working on a Facebook FBML controls library and would like to create my FBML controls somewhat patterned like the ASP.NET WebControls library. I have a base class that handles rendering by default; here's my render method: protected override void Render(HtmlTextWriter writer) { AddAttributesToRender(wri...
Problem entering edit mode on FormView
The problem that I'm having is one that I'm fearing is a design problem, not a coding problem, but I'll ask the question anyway. I have an ASP.NET 2.0 web application that loads two different user controls dynamically based on a value from a database. Inside each of these user controls is basically a FormView control and a SqlDataSourc...
ClientScriptManager.GetPostBackEventReference Method
I'm trying to understand what this method means as I'm reading this and have wondered what uses this may have. I don't quite understand the example given. Can anyone give another explanation of it. Examples would help. Thanks ...
Asp.net - Add blank item at top of dropdownlist
Hi, Why is the dropdown not showing my blank item first? Here is what I have drpList.Items.Add(New ListItem("", "")) With drpList .DataSource = myController.GetList(userid) .DataTextField = "Name" .DataValueField = "ID" .DataBind() End With Edit ~ I am binding to a Generig List, could this be the culprit? ...
UpdatePanel Slowness in IE
I'm working on an ASP.Net application and working to add some Ajax to it to speed up certain areas. The first area that I am concentrating is the attendance area for the teachers to report attendance (and some other data) about the kids. This needs to be fast. I've created a dual-control set up where the user clicks on the icon and via ...
ASP.NET aspxerrorpath in URL
I have a site where I use CustomErrors in the web.config to specify a custom error page, and that's working just fine. The custom 404 page is also specified in the IIS configuration (because if it's not, I don't get my custom 404 page). But I have some logic that kicks in if a user gets a 404 that looks at their requested URL and make ...
How do you set the "Visible" property of a ASP.NET control from a Javascript function?
Bascially I want to know the best way to hide/show an ASP.NET control from a Javascript function. I figured I would just access the control in Javascript using: var theControl = document.getElementById("txtEditBox"); Then just set the control's Visible property to true/false. It doesn't seem to be working, I can't seem to figure out...
RESTful URLs, master pages, and PreviousPage woes
I'm am building my asp.net web application using MVC (Preview 5), and am also using the Master pages concept. My PageA and PageB are both content pages. I'm doing a form submit in a method via JavaScript from PageA to PageB. PageB has its PreviousPageType attribute set to PageA, but when I access the PreviousPage property in PageB, ...
How to get a build date for an ASP.NET application?
Jeff wrote about getting a file version/datestamp a while back. Visual studio doesn't increment builds unless you close/reopen the solution, so grabbing the timestamp seems to be the best way to verify what build you are using. I ported the solution to C# // from http://www.codinghorror.com/blog/archives/000264.html protected D...
How do I keep Google from indexing my custom 404 error page?
I use ASP.Net and I have a custom 404 page. When user pastes url that is not found it will redirected to the custom 404 page. However google indexes my custom 404 page. Search 404(page not found). Anyone have solution? ...
ASP.NET MVC Data Feedback through User Controls
In our new product we have a few data entry fields that require you to search for the correct value to place in this field. When you enter this data entry field I would like to provide a search option via something on the view (perhaps an Ajax implementation) and have it allow searching of the database for the value, but when the resu...
How to pass complex type using json to ASP.NET MVC controller
I have a View that allows a user to enter/edit data for a new Widget. I'd like to form up that data into a json object and send it to my controller via AJAX so I can do the validation on the server without a postback. I've got it all working, except I can't figure out how to pass the data so my controller method can accept a complex Wi...
Web splitter control: where to get one
I have an ASP.NET web project that has a requirement to have a "splitter" like functionality in order to hide the left/right margins of a page. I would like to avoid frames and am not able to use the Infragistics controls. I have installed the trial version of Obout.com's Splitter control(http://www.obout.com/splitter/) and it works GR...
authentication problem or bug
There are 3 web apps. Site A and B are both ASP.NET Web Application with FormsAuthentications configurations, and there is a protected folder in site B which also configured correctly in the web.config. Site C is a classic ASP web which keep authentication status with Session. Now please consider the following steps: 1, There is a lin...
ASP.NET CompareValidator issue
Hi, I've got a web form with Password and Confirm Password text boxes. I've got a RegularExpressionValidator attached to the first one and CompareValidator to the second one. Now the problem is when i have something in the Password field and nothing in Confirm Password field it does not display an error that fields don't match. As soon ...