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Now, since so many books use the Cell Validating event, I wonder if there is not any gotcha (in display for example) with using the Cell Value Changed?

I understand that the impact in performance should be irrelevant when using simple validation and conditional highlighting rules but I would as much prefer it not to run useless code everytime the user moves to another cell if it can be avoided.

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For example, this event triggers everytimes the users switches to another row.

On the other hand, the Cell Value Changed event seems to trigger only when the value of the cell changes, which means the validation code runs only when the value changes and not everytime a user changes cells.

key and click on all of the row headers one-by-one.

When I click on a row, all of the cells in the row are redrawn with a blue background indicating that they have been selected and the arrow that appears in the row header column is updated so that it is in the last row header that I clicked.

An instance of UC_Bar sits on a Form that was opened using the following code: frm Foo f = new frm Foo(); f. Show Dialog(); The Initialize(...) routine of frm Foo calls UC_Bar's display Measurements(...) routine (i.e., the one shown in my first post) which I thought would lead to all rows being selected.

Since Roland Deschain confirmed that the code was working in his initial replies I'm going to award the points to him. The display Measurements(List L_Msrmt) routine shown in my first post resides in a User Control, UC_Bar.I know I can do a string.replace to remove the "\r\n" but I cannot catch it in the correct event. Key down, key press and key up events do not work as it is too the the carriage return already executed and the focus is in the new row.I was thinking Cell Begin Edit or Cell Validating but don't know how I could strip off the carriage return in those events?Thanks, I'm using Cell Value Changed currently on a grid with custom validation and have had no problems with display or anything else.I used this event because I wanted to fire off a certain order of events, but only when the user changes the value of a cell. These paths are used frequently in a variety of front-end development and QA automation tasks.

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