Operation must use an updateable query in ms access 2007

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C#

WPF

hello friends ,


here i completed my windows application , and i did setup .exe file that i installed and checks the application , but while inserting a values getting an error {Operation must use an updateable query}database is Ms access 2007 , using WPF .

this code works fine in visual studio while executing but after making an setup .exe and installation of this application getting error while inserting a values.

please help me out of this ,from past 10 days i was searching in online and rectifying this error .

OleDbConnection conn = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=|DataDirectory|/database/phonebook.accdb;Persist Security Info=True;Jet OLEDB:Database Password=mr.vj;");

conn.Open();
                cmdd.CommandText = "INSERT into logindetails([lusername],[login]) VALUES(@luname,@last)";
                cmdd.Parameters.Clear();
                
                cmdd.Parameters.AddWithValue("@luname", textBoxname.Text);
                cmdd.Parameters.AddWithValue("@last", llin);
                cmdd.ExecuteNonQuery();//here i getting an error 'Operation must use an updateable query"
                conn.Close();

thanking you in advance .