why do I need to check 'e.Row.RowType == DataControlRowType.DataRow'?

Posted on 2010-01-09
Medium Priority
Last Modified: 2013-12-17
I have a GridView control and I have following RowdataBound event.  I understand that this event is rased for each row, but I don't understand the
'if (e.Row.RowType == DataControlRowType.DataRow)' part.
I guess 'e.Row.RowType' means Current row's row type, correct?  
As I know, 'DataControlrowType.DataRow' means a data row of data control.
What does that mean if these two are equal???

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        if (e.Row.RowType == DataControlRowType.DataRow)
                //Get the price for this row.
                // if price > $50, change the background color.
Question by:IzzyTwinkly
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LVL 143

Accepted Solution

Guy Hengel [angelIII / a3] earned 1600 total points
ID: 26274718
because the even is also raised for header and footer / grouping rows.
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 26274720
even => event
LVL 23

Assisted Solution

Snarf0001 earned 200 total points
ID: 26274725
The rowtype could also be a header or footer row, this is ensuring that you don't try to run calculations on headers for example.
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Expert Comment

ID: 26274731
Lol, what he said
LVL 15

Assisted Solution

NazoUK earned 200 total points
ID: 26274764
You are testing to make sure that the row is a data row, not the header, footer etc.

In your example, you are testing the price of the individual row, it doesn't make sense to do this for the header or footer, which is why you do the test.

Author Comment

ID: 26275570
thank u all~~~

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