Author: Craig Stuntz
You may encounter an error which looks like this:
MSB4006: There is a circular dependency in the target dependency graph involving target “ResolveProjectReferences” [MyProjectName\MyProjectName.csproj]
…when running MSBuild from the command line.
This error happens when:
You run MSBuild on a machine with .NET 4.5 installed and
You build a project…
Author: Craig Stuntz
I helped another developer debug an interesting problem this morning. Let’s see if you can spot the problem. The code in question looked something like this simplified version containing only enough code to show the problem:
public void…
Author: Craig Stuntz
In an application which uses the Entity Framework, you may see the following error at runtime:
MetadataException: Unable to load the specified metadata resource
The cause of this error is a missing or malformed Entity Framework connection string. In…
Author: Craig Stuntz
If you have a list, array, or query in a C#/LINQ application and need to check and see if the list is empty, the correct way to do this is to use the Any() extension method:
if (q.Any())
{
Similarly, you can check to see if any elements in the list meet a certain condition:
if (q.Any(i => i.IsSpecial))
{
If the query provider is something like LINQ to Entities…
join in LINQ to SQL and LINQ to Entities Considered Messy, Redundant
January 13, 2010
Author: Alf Christophersen
In this post I will demonstrate that use of the join keyword in LINQ to SQL and LINQ to Entities is nearly always wrong. LINQ queries which you write with the join keyword are harder to read and write than queries you write using associations, and…
Author: Craig Stuntz
I’m going to demonstrate how to use the open-source DayPilot Lite calendar control in an ASP.NET MVC application. I will discuss the capabilities of the control and consider the general problem of how to use controls designed for…
Author: Craig Stuntz
This is the fifth post in a series on using jqGrid with ASP.NET MVC. Today, we’re going to begin examining the grid’s editing features by implementing deletes. If you’re new to the series, you might want to start at the beginning.
The delete feature of jqGrid is, oddly, almost entirely undocumented, even though there quite a few examples of different methods of…
Author: Craig Stuntz
This is the fourth post in a series on using jqGrid with ASP.NET MVC. Today, we’re going to examine search and formatting results. I will implement a search feature and fix the problem with formatting date columns which I observed in the last post.
Author: Craig Stuntz
Mere hours after I posted the first in a planned series of posts on using jqGrid in ASP.NET MVC applications, Phil Haack, a rather-more-widely-read-ASP.NET-MVC-blogger, wrote a long post on, er, exactly the same thing. Who, me, bitter? Naahhh… 🙂
But…
Author: Craig Stuntz
Update: This post was written for MVC 1. TempData behaves completely differently in MVC 2 Beta and higher. In these versions, TempData is cleared only when it is read (or when the session expires).
Many people seem to be confused about the TempData feature in ASP.NET MVC. TempData behaves like the ViewData dictionary, except that it persists until the next request from the…
