One thing I have found frustrating about the BlogEngine, when you are developing is I have to go on the the server to recycle the application pool if I need to refresh the object loaded in memory.
In addition I wanted a way to find out how may posts, pages and files the BlogEngine held in the application. Also find out the amout of hard disc space they used would be useful.
So I went ahead and wrote a Maintenance section
Installation is quite simple copy the admin/Maintenance folder in to the admin/maintenance folder.
Ammend the web.sitemap to include the maintenance
<siteMapNode url="~/admin/Pages/Maintenance/" title="Maintenance" description="" roles="administrators"/>
When you login as an administrator you will find the maintenance section appear.
1. Open Control Panel.
2. Click on ‘System and Maintenance’.
3. Click “Performance Information and Tools”.
4. Click “Adjust Visual Effects”.
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I've come across the situation on a number of occasions when coding where I've wanted to convert from a string to an enum.
Here is one of those methods that you can never find when you're looking for it, but once discovered it seems blindingly obvious:
object Enum.Parse(System.Type enumType, string value, bool ignoreCase);
So you can write the following kind of code:
enum Colour
{
Red,
Green,
Blue
}
// …
Colour c = (Colour) Enum.Parse(typeof(Colour), "Red", true);
Console.WriteLine("Colour Value: {0}", c.ToString());
// Picking an invalid colour throws an ArgumentException. To
// avoid this, call Enum.IsDefined() first, as follows:
string nonColour = "Polkadot";
if (Enum.IsDefined(typeof(Colour), nonColour))
c = (Colour) Enum.Parse(typeof(Colour), nonColour, true);
else
MessageBox.Show("Uh oh!");
Footnote: interestingly, whilst writing this up I noticed that Enum.IsDefined() doesn’t offer the ignoreCase parameter. If you don’t know whether the casing is right, it seems the only way to do the conversion is using the Parse method and catching the ArgumentException. That's not ideal, since it runs a lot slower. I wonder if this is a loophole in the design?
I’m always searching the internet for DateTime formats, so I’ve placed them in my Blog so I’ll also know where I can find them
Below lists the valid format specifiers supported by the Format method on theDateTime type (see System.IFormattable).
DateTime Format Specifiers
| Specifier | String Result |
| d | MM/dd/yyyy |
| D | dddd, MMMM dd, yyyy |
| f | dddd, MMMM dd, yyyy HH:mm |
| F | dddd, MMMM dd, yyyy HH:mm:ss |
| g | MM/dd/yyyy HH:mm |
| G | MM/dd/yyyy HH:mm:ss |
| m, M | MMMM dd |
| r, R | Ddd, dd MMM yyyy HH’:’mm’:’ss ‘GMT’ |
| s | yyyy-MM-dd HH:mm:ss |
| S | yyyy-MM-dd HH:mm:ss GMT |
| t | HH:mm |
| T | HH:mm:ss |
| u | yyyy-MM-dd HH:mm:ss |
| U | dddd, MMMM dd, yyyy HH:mm:ss |
| y, Y | MMMM, yyyy |
Here’s an example that uses these custom format specifiers on a DateTime value:
using System;class TestDateTimeFormats {static void Main( ) {DateTime dt = new DateTime(2000, 10, 11, 15, 32, 14);// Prints "2000-10-11T15:32:14"Console.WriteLine(dt.ToString( ));// Prints "Wednesday, October 11, 2000"Console.WriteLine("{0}", dt);// Prints "10/11/2000"Console.WriteLine("{0:d}", dt);// Prints "Wednesday, October 11, 2000"Console.WriteLine("{0:D}", dt);// Prints "Wednesday, October 11, 2000 3:32 PM"Console.WriteLine("{0:f}", dt);// Prints "Wednesday, October 11, 2000 3:32:14 PM"Console.WriteLine("{0:F}", dt);// Prints "10/11/2000 3:32 PM"Console.WriteLine("{0:g}", dt);// Prints "10/11/2000 3:32:14 PM"Console.WriteLine("{0:G}", dt);// Prints "October 11"Console.WriteLine("{0:m}", dt);// Prints "October 11"Console.WriteLine("{0:M}", dt);// Prints "Wed, 11 Oct 2000 22:32:14 GMT"Console.WriteLine("{0:r}", dt);// Prints "Wed, 11 Oct 2000 22:32:14 GMT"Console.WriteLine("{0:R}", dt);// Prints "3:32 PM"Console.WriteLine("{0:t}", dt);// Prints "3:32:14 PM"Console.WriteLine("{0:T}", dt);// Prints "2000-10-11 22:32:14Z"Console.WriteLine("{0:u}", dt);// Prints "Wednesday, October 11, 2000 10:32:14 PM"Console.WriteLine("{0:U}", dt);// Prints "October, 2000"Console.WriteLine("{0:y}", dt);// Prints "October, 2000"Console.WriteLine("{0:Y}", dt);// Prints "Wednesday the 11 day of October in the year 2000"Console.WriteLine("{0:dddd 'the' d 'day of' MMMM 'in the year' yyyy}", dt);}}
There are some things to consider when using these default formatters in an international environment.
Console.WriteLine("{0:t}", dt); // Prints "3:32:14 PM"Console.WriteLine("{0:T}", dt); // Prints "2000-10-11 22:32:14Z"
The difference between {0:t} and {0:T} has to be taken into account. This difference is due to the fact that .NET has two date time representations—Long ( T ) and Short ( t )—while Windows uses only the Long notation.
So, if a user changes the Regional Settings in Windows only the Long notation will follow this change in .NET. This means that the programmer has to perform his own formatting—and not use the default formatters—if he wants to follow the users settings—not something a programmer should expect.
It’s worth check out SteveX Blog on String Formats
Just loved this cartoon, they always say a picture says a thousand words
I was having a problem embedding a slide show from Picasa into my BlogEngine.net editor. Basically, the editor kept stripping the embed html. The trick is to edit \admin\tinyMCE.ascx file. You need to modify the extended_valid_elements entry. Apparently this is used to define valid html tags for the tinyMCE editor. Here are my additions in red:
extended_valid_elements : "hr[class|width|size|noshade],font[face|size|color|style],span[class|align|style],
script[charset|defer|language|src|type],code,iframe[src|width|height|frameborder|name|style],
embed[type|src|width|height|flashvars|pluginspage]",
Have fun!
What version of Visual Studio is the most current?
Depending on what you are using and which application you are modifing the following are the latest releases of Visual Studio: