2012 – Page 2 – Knowledgebase

How to run tasks synchronously without blocking the UI thread in C# <= .NET 4.0

16 November, 2012 Roel van Lisdonk 0 Comments 1 category

If you want to execute 3 tasks synchronously (one after the other), but you don’t want these tasks to block the UI thread. You can use the following code: Note: Thread.Sleep(…) is a blocking operation

How to redirect Console.Writeline() from a WPF or Windows Forms C# application to the launching Command Prompt / Console.

16 November, 2012 Roel van Lisdonk 0 Comments 1 category

I used the following blog post to redirect the output generated by my WPF application to the command prompt from which it was launched: http://www.csharp411.com/console-output-from-winforms-application/

How to connect Microsoft Visio 2013 to a Microsoft SQL Server LocalDB instance

9 November, 2012 Roel van Lisdonk 0 Comments 1 category

If you connect Microsoft Visio 2013 to a Microsoft SQL Server LocalDb instance by using the standard (localdb)\V11.0 instance name, you might get the error: [DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied.

Change Windows 8 start screen color to black

7 November, 2012 Roel van Lisdonk 0 Comments 1 category

Move your mouse to the right upper or right lower corner or swipe from the right. Click on the wheel icon (lowest icon) Click on Change PC settings Click on Personalize. Slide the

How to drop a foreign key based on a table name and column name with T-SQL.

23 October, 2012 Roel van Lisdonk 0 Comments 1 category

If you want to delete a foreign key based on a given table name and column name in T-SQL, you can use the following code snippet: Full table name = [MySchema1].[MyTable1] Full column name =

Fixing the error: The type of one of the expressions in the join clause is incorrect. Type inference failed in the call to ‘GroupJoin’. in a left join with LINQ.

19 October, 2012 Roel van Lisdonk 0 Comments 1 category

If you do a left join in LINQ on multiple columns / properties. The types and names of these properties must be the same else you will get the error: The type of one of

How to update a property of an object in LINQ without returning new objects.

18 October, 2012 Roel van Lisdonk 0 Comments 1 category

If you want to update an property of an object in LINQ without creating new objects, you can use the following code: using System; using System.Collections.Generic; using System.Linq; using Microsoft.VisualStudio.TestTools.UnitTesting; using Assert = Xunit.Assert; namespace

Knowledgebase

Year: 2012