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Cell/Column Index for DataGridView versus DataTable?

Posted on 2014-11-26
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Last Modified: 2014-11-26
For a DataGridView AND DataTable...does the column index always start with zero?
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Question by:BlakeMcKenna
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7 Comments
 
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Accepted Solution

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Kyle Abrahams earned 500 total points
ID: 40467168
Yes it does . . . BUT note that they don't necessarily match (EG: sorting).
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Author Closing Comment

by:BlakeMcKenna
ID: 40467191
I thought so...just wanted to be sure!

Thanks Kyle
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Author Comment

by:BlakeMcKenna
ID: 40467203
Kyle,

I did notice one thing in my DGV. I have several cells that are Invisible and noticed that it affects the column index.

For example, my dgv has 10 columns (0 - 9 index). Column 0 - 3 are Invisible. The initial value in column 11 is 73.6. After the dgv is setup (making columns 0 - 3 invisible), the value 73.6 is not in column 7.

Is there a way to maintain values and column indexes even though certain dgv columns are invisible?
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Author Comment

by:BlakeMcKenna
ID: 40467206
The reason I ask is because my CellFormatting Even references the "e.ColumnIndex". This is where the column indexes are different.
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LVL 40

Expert Comment

by:Kyle Abrahams
ID: 40467316
There's something else going on there . . .   you can set the visible property on the indexed column itself:
http://msdn.microsoft.com/en-us/library/bb383893%28v=vs.90%29.aspx

Do you have auto generate columns set to false?
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Author Comment

by:BlakeMcKenna
ID: 40467381
AutoGenerateColumns isn't set, which I assume defaults to False...
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Author Comment

by:BlakeMcKenna
ID: 40467385
I actually execute a procedure that defines the DGV.DataPropertyName (which is the same as the DataTable Column Names) and HeaderText...
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