multiple queries with ms access and c#

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I have multiple update queries which update a row in table ,so it is like lock a row update the changes and unlock the row.

Now instead of executing executenonquery 3 times i want to execute it only once .

Can it be done ...

Thanks You..

Posted 29-May-12 1:10am

gaurish thakkar

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3 solutions

Solution 3

If You want to execute multiple query same time then create sring with all statement and execute it.
Like:

string strQuery = " Insert into tbl values(1,1);Update tbl set fld=value where id=id;update tbl2 set fld=value where id=id;";

Posted 29-May-12 2:33am

Savalia Manoj M

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Anoop Ananthan · Accepted Answer · 2012-05-29T01:36:00

Solution 1

Yes, the queries need to seperated by semi-colon ";"

eg:

C#

string query = "insert into table1(x,y,z); update table2 set a = 23;"
OledbCommand cmd = new OledbCommand(query, connection);
.
.
.
cmd.ExecuteNonQuery();

Posted 29-May-12 1:36am

Anoop Ananthan

Updated 29-May-12 1:39am

v2

Comments

P.Salini 29-May-12 7:55am

my 5

Prasad_Kulkarni · Accepted Answer · 2012-05-29T01:46:00

Solution 2

Yes, it can be; Microsoft Access supports Transactions [^]and they work quite well.

Even so, if possible, use SQL Server Express. It's much more powerful than Access.

Posted 29-May-12 1:46am

Prasad_Kulkarni

Comments

Maciej Los 29-May-12 7:50am

Good answer, my 5!

Prasad_Kulkarni 29-May-12 7:58am

Thank you Isomac!

P.Salini 29-May-12 7:55am

my 5

Prasad_Kulkarni 29-May-12 7:58am

Thank you Salini!