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New Message on BDOTNET
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From: nitin_karan
Message 3 in Discussion
Hi Mrinal, DataSet is always passed by reference. An imp point is passing DataSet
creates a new reference to the DataSet. Go through the example and you will find the
difference. It's the reference to the dataset that is passed by value not the
dataset itself.
Example
DataSet ds1 = new DataSet();
DoSomethingWith(ds1);
...
private void DoSomethingWith(DataSet passed)
{
// passed is a completely new reference pointing to the same DataSet as ds1
TweakData(passed);
// since passed points to the same dataset as ds1 the changes will be seen
when using ds1 too;
passed = new DataSet();
// now however passed points to something new
ClearEverything(passed);
// but ds1 still points to the old dataset and is not affected
}
If it was by reference ds1 would point to the new DataSet.
--Nitin
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