Delete statment with TOP keyword (how to pass parameter?)

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C#

SQL

MS-Access

I am using Microsoft access 2007 as a database. I want to pass parameter for TOP keyword. i am using this code. i am passing txtQ1.Text as a parameter for TOP keyword but this give error.. could you please tell me the correct way to do that??

I am getting this error message.
ERROR MESSAGE :"The SELECT statement includes a reserved word or an argument name that is misspelled or missing, or the punctuation is incorrect."


<pre lang="c#">
OleDbConnection con7 = new OleDbConnection();
con7.ConnectionString = ConfigurationSettings.AppSettings["connecti"];
con7.Open();

OleDbCommand cmd7 = new OleDbCommand("delete ProductEntery FROM(select TOP @q * from ProductEntery)AS t1 where Produc_Name = @yo", con7);

cmd7.Parameters.Add(new OleDbParameter("@yo", txtname1.Text));
cmd7.Parameters.Add(new OleDbParameter("@q", txtQ1.Text));
cmd7.ExecuteNonQuery();
con7.Close();
</pre>