با سلام
قطعه کد زیر رو نوشتم ولی ایراد پایین رو میده
لطفا در صورت امکان راهنمایی بفرمایید
private void txtSearch_TextChanged(object sender, EventArgs e)
{
string query = "select * from person wjere name like '%" + this.txtSearch.Text + "%' or " + " family like '%" + this.txtSearch.Text + "%'";
OleDbCommand objCommand = new OleDbCommand();
OleDbConnection objConnection = new OleDbConnection(ConnectionString);
objCommand.CommandText = query;
objCommand.CommandType = CommandType.Text;
OleDbDataAdapter objDataAdaptor = new OleDbDataAdapter();
objDataAdaptor.SelectCommand = new OleDbCommand();
DataTable result = new DataTable();
objDataAdaptor.Fill(result);
this.grdPerson.DataSource = result;
grdPerson.Columns[0].HeaderText = "شناسه";
grdPerson.Columns[1].HeaderText = "نام";
grdPerson.Columns[2].HeaderText = "نشان";
grdPerson.Columns[3].HeaderText = "سن";
}