difference between execute reader and sql data adapter

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hi experts
I know the difference of function and store procedure.We can call function in store procedure but can't call store procedure in function ....

My question is Why we can't call store procedure in function. and also the difference between execute reader and sql data adapter

Posted 3-Jun-13 20:27pm

ErBhati

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Sergey Alexandrovich Kryukov 4-Jun-13 2:56am

No, you don't know the "difference". Your questions are incorrect in principles. You are addressing concepts as it were formulas, without any aspects... It's not adequate thinking and lack of simple logic.
—SA

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Mahesh Bailwal · Answer 1 · 2013-06-03T20:32:00

ExcuteReader

ExecuteReader returns datareader. DataReader is used to read the data from database and it is a read and forward only connection oriented architecture during fetch the data from database.

DataAdapter
DataAdapter will acts as a Bridge between DataSet and database. This dataadapter object is used to read the data from database and bind that data to dataset.

Check more on this link

http://www.aspdotnet-suresh.com/2012/10/aspnet-difference-between-datareader.html[^]

Maciej Los · Answer 2 · 2013-06-03T20:37:00

1. Why we can't call store procedure in function?
Here is a simple trick how to call SP from function: http://www.dotnetfunda.com/forums/thread8955-how-can-call-stored-procedure-inside-function-in-sql-server-2005.aspx[^]

2. and also the difference between execute reader and sql data adapter
Please, don't be lazy. Read about it:
http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqldatareader.aspx[^]
http://msdn.microsoft.com/en-US/library/system.data.sqlclient.sqldataadapter.aspx[^]

difference between execute reader and sql data adapter

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