Error Type:
Microsoft JET Database Engine (0x80040E10)
At least one parameter is not specified.
Cause: When writing SQL statements, we often call some parameters. It is very likely that one of these parameters is not assigned a value.
Solution: Check whether the values of each parameter are actually passed. Some parameters may actually be "". Of course, such parameters cannot be used to index the database.
Detailed source reference: http://www.jb51.net/article/26119.htm
At least one Access parameter is not specified. Solution
Recently, when I first used Access databases, Mysql and Mssql were used in the past. The result was always "at least one parameter was not specified". Finally, I searched for it by baidu, I found that this is an SQL statement problem. I wrote "order by id desc" after my database query statement ". Depressed. Powered by 25175.net
This happened later. After checking, I found that the name of a field was wrong... It's so careless. You have to write the program carefully later !!
Summary:
This problem occurs mainly because the SQL statement we wrote does not match the database field or the table does not contain this field:
Select * from mytable where a = '1' and B = '1'
However, your mytable does not have field.
To solve this problem, check whether the SQL statements and database tables match ......