Archive for 'ASP.NET' Category
Resolution to QUOTED_IDENTIFIER Error when using SqlCacheDependancy’s
At work we are building a medium sized ASP.NET web application.
We are using ASP.NET forms authentication for the membership. I then decided to implement a custom role provider (implementing ProviderBase) based on our [Employee] application table. Implementing this was really easy! Along the way I realized that out database was going to get hammered [...]
Creating a ASP.NET Rounded Panel
These days using a Rounded Panel on your web site is almost a given. Here is an example to creating a Rounded Panel that inherits from System.Web.Ui.Panel, in a WebControls class library.
First thing I did was fire up Jasc Paintshop Pro and created some rounded rectangles (with a 4px radius) … then I cut the [...]
ADO.NET Entity Framework
I just started reading Programming Entity Framework
The subjects include: Data Binding with WPF, LINQ to Entities Queries, Utilizing the ASP.NET EntityDataSource Control, Using Entity Objects with Web and WCF Services, Using the Entity Framework with n-Tier Windows Forms or WPF Applications, a bit on Data Transfer Objects (DTO), Customizing Entities, Using the Entity Framework [...]
LINQ, SqlMetal, Nesting The Generated Code File
LINQ is really cool, SqlMetal has been my code generator of choice (for a book on LINQ, SqlMetal and all of the cool new features)… I like to keep my class file names the same as the class contained in the file. Since SqlMetal generates partial classes, and we don’t want to modify the generated [...]
HowTo Filter System.IO.Directory.GetFiles with Linq
Here we are going to see an easy way to enumerate files in a directory, filter the files with Linq, then bind the results to a ASP.NET repeater control. We will show you the old .NET 1x way of doing this, then the new and improved Linq way of doing this.
I had a method that [...]
Querying Selected Items From ListItemCollection Using Lambda Expressions
You can use Linq and Lambda expressions along with the new extensions provided in the .NET framework 3.5 to filter those old school specialized collections like ListItemCollection. The key is to first convert the collection to a generic list using the Cast or ToList extension methods …. more on this in this article
ASP.NET What Server Side controls require a Server Form
This is a list that I have compiled of ASP server side controls that require or do not require to be nested inside of a server form (form runat=server)
Requires
Does not Require
asp:Label
asp:HyperLink
asp:TextBox
asp:Button
asp:LinkButton
asp:ImageButton
asp:DropDownList
asp:ListBox
asp:CheckBox
asp:CheckBoxList
asp:Image
asp:ImageMap
asp:Table
asp:BulletedList
asp:HiddenField
asp:Literal
asp:Calendar
asp:AdRotator
asp:FileUpload
asp:Wizard
asp:Xml
asp:MultiView
asp:View
asp:Panel
asp:PlaceHolder
asp:Substitution
asp:Localize
asp:GridView
asp:DataList
asp:DetailsView
asp:FormView
asp:Repeater
asp:XmlDataSource
asp:Menu
asp:TreeView
Webservice fix for error message - Maximum request length exceeded
So I ran into a weird error this morning on one of my webservices. It was a SOAP exception which yielded a 500 HTTP Status error (as viewable from the trace.axd)
“There was an exception running the extensions specified in the config file. –> Maximum request length exceeded.”
The WebService call was posting a DataSet to a [...]