ColdFusion调用存储过程多传OUTPUT参数致@attendeeAutoID未提供报错求助

Let's break down how to resolve this issue, since you've already nailed the root cause: ColdFusion is sending an extra OUTPUT parameter that your SQL stored procedure doesn't define. Here's what to do:

1. Audit Your ColdFusion Stored Procedure Call #

The most common culprit is incorrectly marking a parameter as OUTPUT in your <cfstoredproc> code. By default, ColdFusion treats parameters as IN (input-only), so if you've added type="OUTPUT" to a parameter that's supposed to be an input, SQL Server won't receive the required value for @attendeeAutoID—it'll be waiting for an output value instead.

Bad Code Example:

<cfstoredproc procedure="updateAttendee" datasource="YourDatabaseDSN">
    <!--- Incorrectly marked as OUTPUT, which confuses SQL Server --->
    <cfprocparam cfsqltype="CF_SQL_INTEGER" value="#attendeeAutoID#" type="OUTPUT">
    <!--- Other parameters... --->
</cfstoredproc>

Corrected Code:

<cfstoredproc procedure="updateAttendee" datasource="YourDatabaseDSN">
    <!--- Remove type="OUTPUT" (or explicitly set type="IN") --->
    <cfprocparam cfsqltype="CF_SQL_INTEGER" value="#attendeeAutoID#">
    <!--- Add all other required input parameters here, matching the stored procedure's definition --->
</cfstoredproc>

2. Verify All Required Parameters Are Present #

Double-check that you're passing every parameter the updateAttendee stored procedure expects. The error specifically mentions @attendeeAutoID is missing, so confirm:

• The parameter name in your <cfprocparam> matches exactly (SQL is case-insensitive here, but it's best to be consistent)
• The value you're passing isn't null if the stored procedure requires a non-null value
• The cfsqltype matches the SQL data type of the stored procedure parameter (e.g., CF_SQL_INTEGER for an INT column)

3. Skip Unnecessary Output/Result Tags #

If your stored procedure doesn't return any result sets or output parameters, make sure you're not using <cfprocresult> in your ColdFusion code. While this isn't the direct cause of your current error, it's a good practice to keep your call aligned with the procedure's actual behavior.

Once you've adjusted your ColdFusion code to stop sending extra OUTPUT parameters and ensure all required inputs are present, the error should disappear.

内容的提问来源于stack exchange，提问作者StuckInTheMud