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Darren McLeod
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DbEntityValidationException
When calling SaveChanges  on an entity context object you can sometimes get a DbEntityValidationException  error but it doesn't give you a convenient message as to what the error(s) were.  Here is a code snippet to get a convenient message from the DbEntity...

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Page.ClientScript.RegisterStartupScript not working
Had a website with a master page and in the the page_load event I was calling  Page.ClientScript.RegisterStartupScript to run some javascript based on the current state of the application. In the default.aspx page the script worked fine but in this other pa...

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ASP.NET 2.0 DropDownList EnableViewState
In ASP.NET 2.0 the  DropDownList   EnableViewState  doesn't work the same as other controls like GridView . Fortunately Anson Goldade created one that does. You can learn how here:  http://www.tech-archive.net/Archive/DotNet/microsoft.public.dotnet.framewor...

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Add Charset and ContentType to ASP.NET web page
The WC3 recommends specifying the Charset and ContentType on all of your web pages. A quick and easy way to do this in a ASP.NET web site with a master page is to add this to the masterpage file: <% Response.Charset = "utf-8" %>
<% Response.ContentType =...

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system.diagnostic trace not creating file in asp.net
If your S ystem .D iagnostic trace is not creating a file in asp.net make sure the the user that the website/webapp is running under has write permissions to the log file folder(default is web root ie where the web.config is). You can find the user that the...

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Where are UnityContainerExtensions
I had wrapped a Unity container in another class and then was using it to call Resolve and only got one option in intellisense like this: But I was wanting the Resolve(Of T) option like this: Then I discovered I was missing "Imports Microsoft.Practices.Unit...

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How to upgrade a web service to ASP.NET 4.0 with out affecting other services
After you have installed .NET 4.0 on the server open a command window and run: C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
-norestart -s W3SVC/ID/root/ Replace ID in the line above with the Identifier
of the Web Service.  The Identifier ...

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How to correctly call a web service in .NET
I came across a problem with calling web services that I had never heard about before. I was creating the client with a Using statement like so: Dim xml As XDocument = TestXml Dim actual ( ) As Byte Using proxy As New My WebService .My ServiceClient actual ...

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Using WCF with non-microsoft clients
The default wsdl that WCF creates isn't very friendly for human's and other non-microsoft clients to read. To remedy this you can intsall WCFExtras: http://wcfextras.codeplex.com/   To use it, in your endpoint declaration add a " behaviorConfiguration " ele...

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"An attempt was made to load a program with an incorrect format.” in IIS 7
Was working on an old website dev region that hadn't been used since we upgraded to IIS 7 and a 64-bit web server, and was getting this error: " An attempt was made to load a program with an
incorrect format.”   After some research I found the answer here: ...
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