how to count the total number of row in oledbconnection in c#.net

how to count the total number of row in oledbconnection in c#.net

I want to count how many rows are present in my table.

                string dataReader = "SELECT count(*) from `Email_account_list`";
                OleDbCommand command_reader = new OleDbCommand(dataReader, myConnection);
                OleDbDataReader row_reader = command_reader.ExecuteReader();

What function 开发者_开发问答i will write to fetch total number of rows present in table.

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A SELECT COUNT(*) statetment is a special (SELECT) statement in that you should not use ExecuteReader() but instead use int rowCount = (int) command.ExecuteScalar();

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Use "Select count(*) ..." first in your OleDbCommand. This will give you an idea of the number of rows you could expect in the next "Select * ...".

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int rowCount = (int) command.ExecuteScalar();

Typo in original post by Henk.