DataGridViewColumn DisplayIndex Issue

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Hello..

I'm having an issue setting the DisplayIndex for my DataGridViewColumns

The dataViewGrid is bound to a class derived from List<T>

I'm doing something like:

myDataViewGrid.Columns["A"].DisplayIndex = 0
myDataViewGrid.Columns["B"].DisplayIndex = 1
myDataViewGrid.Columns["C"].DisplayIndex = 2
myDataViewGrid.Columns["D"].DisplayIndex = 3
.... there are several other columns, but I don't care about their position.

Which ever is the last column I set, that seems to be the one that sticks...
looking at the intermediate results by looking at the names and
DisplayIndexes, I see something like this:

After setting A:0
1 F
2 G
3 D
4 E
5 B
0 A
6 C
7 etc..
...
...

After setting B:1
0 F
2 G
3 D
4 E
1 B
5 A
6 C
7 etc..
...
...

After setting C:2
0 F
1 G
3 D
4 E
5 B
6 A
2 C
7 etc..
...
...
I finally gave up, and move my set code to set ALL the column indexes,
starting hightest index to lowest, and did this in the
dataGridView2_DataBindingComplete event reactor.

Is this normal?