MYSQL 语法错误?请帮助我得到错误陈述

con = new MySqlConnection(cs);
con.Open();
cmd = new MySqlCommand("SELECT (invoiceNo) as [Invoice No],(invDate) as [inv Date],
(sales.CustomerID) as [Customer ID],(CustomerName) as [Customer Name],
(GrandTotal) as [Grand Total],(TotalPayment) as [Total Payment],(PaymentChange) as
[Payment Change] from sales,customer where sales.CustomerID=customer.CustomerID 
and invDate between #" + dtpInvoiceDateFrom.Text + "# And #" + 
dtpInvoiceDateTo.Text + "# order by invDate desc", con);
MySqlDataAdapter mySDAp = new MySqlDataAdapter(cmd);
DataSet myDatSet = new DataSet();
mySDAp.Fill(myDatSet, "sales");
mySDAp.Fill(myDatSet, "customer");
dataGridView1.DataSource = myDatSet.Tables["customer"].DefaultView;
dataGridView1.DataSource = myDatSet.Tables["sales"].DefaultView;

错误语句为：You have an error in your SQL syntax check the manual that corresponds to your MySql server version for the right syntax to use near '[InvoiceNo],(invDate) as [inv Date],(sales.CustomerID) as [Customer ID],(Custom' at line 1