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How to know which columns changed
Message
From
14/05/2010 14:41:59
Timothy Bryan
Sharpline Consultants
Conroe, Texas, United States
 
 
To
14/05/2010 00:48:36
General information
Forum:
ASP.NET
Category:
ADO.NET
Environment versions
Environment:
C# 3.0
Miscellaneous
Thread ID:
01464500
Message ID:
01464597
Views:
47
Thanks Bonnie,

That got me what I needed.
Tim

>Hi Tim,
>
>Here's how you check for changed columns, for each row:
>
>
>for (int i=0; i < MyTable.Columns.Count; i++) 
>{ 
>	if (!row[i, DataRowVersion.Current].Equals(row[i, DataRowVersion.Original])) 
>	{ 
>		// it's changed, process it here 
>	} 
>} 
>
>
>~~Bonnie
>
>
>>If I want to log all the changes that are made to a row in the dataset before it is saved, is there a way to know which columns changed within the changed rows?
>>
>>If I start with a DataTable that is to be saved, I can get the rows that have changes with GetChanges() but then looping through those, is there a way to tell which columns were changed?
>>
>>Alternatively, is there a way to take a snapshot of a DataSet easily for comparison later?
>>Thanks
>>Tim
Timothy Bryan
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