请帮我找出语法错误,我已尽力指出但不能。
String sql= "insert into ctable ("
+"id,"
+"name,"
+"address,"
+"phone,"
+"email,"
+"sale_Limit )"
+ "values (" +txtid.getText()+ ",'" +txtname.getText()+ "','" +txtaddress.getText()
+"','" + txtphone.getText()+ "','"+ txtemail.getText()+ "','"+txtsaleLimit.getText()
+ "')";