"ddd" and "dddd" Custom Format Specifier in LightSwitch 2012

This article describes the ddd and dddd Custom Format Specifiers in LightSwitch Visual Studio 2012. The "ddd" Custom Format Specifier is used to represent the name of the day of the week in an abbreviated manner. This abbreviated name of week is fetched from DateTimeFormatInfo.AbbreviatedDayNames Property.

This article describes the "ddd" and "dddd" Custom Format Specifiers in LightSwitch Visual Studio 2012.

"ddd" Custom Format Specifier

The "ddd" Custom Format Specifier is used to represent the name of the day of the week in an abbreviated manner. This abbreviated name of week is fetched from DateTimeFormatInfo.AbbreviatedDayNames Property.

"dddd" Custom Format Specifier

The "dddd" Custom Format Specifier is used to represent the full name of the day of the week. This name of week is fetched from DateTimeFormatInfo.DayNames Property.

Use the following procedure to create a sample showing how to use the "ddd" and "dddd" Custom Format Specifiers on a Screen.

Step 1

Open the LightSwitch Application in Visual Studio 2012 and go to the Solution Explorer.

Solution Explorer

Right-click on "Data Sources" and choose "Add Table".

Add Table

The table appears in the Table Designer window. Insert the records in the following table.

Employee Table

Step 2

Now once again go to the Solution Explorer, right-click on "Screens" and choose "Add Screen".

Add Screen

The Add New Screen dialog box appears. Select the "Editable Grid Screen" from the Screen Template, inside screen information, choose "Employee" under screen data and provide a name for the Screen and click the "OK" button.

Add New Screen

The Screen Designer appears as shown below

Screen Designer

Press F5 to run the application. Provide the information; we will get the following output. 

Output of Editable Grid Screen

Step 3

Now stop debugging the application. From the Table Designer select the "DOB" record as shown in the figure below.

Select DOB from Employee.jpg

Then go to the Format Pattern of Property window in the Table Designer and enter "ddd" in the format pattern property as shown below.

ddd Format Pattern Properties

Once again press F5 to run the application. This time we will get the following output.

Output using ddd format Specifier

Step 4

Once again stop debugging the application and select the "DOB" record from the table.

Now go to the Format Pattern of the Property window in the Table Designer and this time enter "dddd" in the format pattern property as shown below.

dddd format pattern

Once again press F5 to run the application. This time we will get the following output.

Output using dddd format pattern