[Solved] Foreach loop that loops over all files in a folder does not consider first file found

Question

Hello,
I have a foreach loop in SSIS (as part of Visual Studio 10 and with SQL Server 2012).
It loops over all files in a folder (ForEach File Enumerator).
I set the folder: OK
Traverse Sub folders: OK
I have set up a Variable in Variable Mappings called FileName so it shows User::FileName: OK
Index of variable is 0: OK
It almost works ok. Except that the first file it finds is never considered.
I set a breakpoint then and the first file it finds, is shown in black in the watch variable window. All subsequent files found are shown in red font. When I change the names of the files so another file is the first file found then it skips the other one
which now is the first file.
What is going on here? Why does SSIS skip the first file it finds in a foreach file loop?
Any suggestions highly appreciated.
Thank you
Andi
Andreas

Answer 1

"red font - interesting, any example to show us (image)
It would be interesting to share with us whether you use any file masks or expressions.
Arthur
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It appears a variable value turns red when it changes between breakpoints. It started black for the first value (the first file, obtained BEFORE the execution reached the breakpoint), and then turned red. I was able to reproduce this behavior on a test environment.
However, it did not skip any files.
OP, please set up the test shown in the image below. Create a breakpoint in the sequence container for the "OnPreExecute" event.