Exception calling "executereader" with "1" argument(s): "no value given for one or more required parameters."

Question

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Not sure what's wrong with the command lines below.

See the command lines and errors I received.

# Load into datatable
$dt = New-Object System.Data.DataTable
$cmd.CommandText = $sql
$dt.Load($cmd.ExecuteReader("CloseConnection"))

Error
Exception calling "ExecuteReader" with "1" argument(s): "No value given for one or more required parameters."
At C:\test\test_report.ps1:33 char:1
+ $dt.Load($cmd.ExecuteReader("CloseConnection"))
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [], MethodInvocationException
+ FullyQualifiedErrorId : OleDbException

What I have tried:

The script was provided to me and it was working before and suddenly stopped working.

Posted 10-Oct-23 14:01pm

Damian Tsai

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Comments

Dave Kreskowiak 10-Oct-23 22:30pm

The error has nothing to do with the code you posted. It's in the code that sets up the SQL query and any parameters for it. The last step to executing the query is what you posted, but it's not where the error is.

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OriginalGriff · Answer 1 · 2023-10-10T19:36:00

Check the content of $sql - if it refers to parameters like this:

SQL

SELECT Description FROM MyTable WHERE ID = @ID

then make sure that you have added the parameterized data to the $cmd object before you try to call ExecuteReader.

And why are you passing ExecuteReader a string? I'm far from a PowerShell expert and I can't find the documentation, but every example I've seen online calls it with no parameters at all ...