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record count

thread732-1714286

record count

record count

(OP)
Hi everybody,

i wanna learn how to get count data of SqlDataReader.
here is my code;

cmd1 = new SqlCommand(" select cre_usr,cre_date,orders from orderr ", conn);
rdr = cmd1.ExecuteReader();

after that i need to know recordcount

thanks.


RE: record count

I would use a SqlDataAdapter's fill method to populate a DataTable. Then you can:

CODE --> c#

var rowCount = dataTable.Rows.Count

RE: record count

(OP)
hi,
i can not see rows.Count for SqlDataAdapter ?

RE: record count

This might need tweeked a little bit, but this will load data into DataTable and then you can get the rows.

CODE --> C#

var conn = new SqlConnection("connectionString");

var da = new SqlDataAdapter(new SqlCommand("select * from blah", conn));
var dt = new DataTable();
da.Fill(dt);

var rowCount = dt.Rows.Count;

Wrote this quick out of my head without compiling but for most part should work.

DataTable is different from DataReader as the DataReader only goes forward and doesn't really know ahead of time how many rows exist. DataTable loads a "table" based on your query into memory so it contains a row count. I have been programming in .NET for years and have never used DataReader myself although I have worked on programs that have used it. I prefer DataTables or DataSets.

Randy

RE: record count

(OP)
it didnt work :(

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