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SSRS report multi select lookup based on temp table

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Posted on by dark_knight

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Hello,

I'm trying to create a multi lookup SSRS parameter and I have found an article explaining how to do that

https://community.dynamics.com/blogs/post/?postid=c7733248-13d0-4033-b6e2-af99fba741b4

it works like a charm when the lookup query is based on the regular table but I need it ti be based on the TEMPDB table and can't achieve this.

I tried this but with no result

Method: postRun

/// <summary>
/// Implements the functionality that is supposed to execute after run.
/// </summary>
public void postRun()
{
this.sampleTableIdLookup();
}

Method: sampleTableIdLookup

/// <summary>
/// Creates a SampleTable id lookup.
/// </summary>
public void sampleTableIdLookup()
{

TableTmp tableTmp;

tableTmp.id = 1;

tableTmp.insert();

tableTmp.id = 2;

tableTmp.insert();

Query query = new Query();

query.adddatasource(tablenum(tableTmp));

query.datasourcetable(tablenum(tableTmp)).addselectionfield(fieldnum(tableTmp,ID));

QueryRun qr = new QueryRun(query);

qr.setcursor(tableTmp);

TableId multiSelectTableNum = tableNum(tableTmp);
container selectedFields = [multiSelectTableNum, fieldName2id(multiSelectTableNum, fieldStr(tableTmp, Id))];

SysLookupMultiSelectCtrl::constructWithQueryRun(this.dialog().dialogForm().formRun(), idField.control(), qr, false, selectedFields);

}

Lookup on the parameter form stays empty. Maybe anyone did smth like that before? Any help will be much appreciated

Thank you.

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Layan Jwei 8,165 Super User 2026 Season 1 on at

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Hi Dark knight,

The link you provided is not working for me.

you could follow the following links in general for multi select (check if they help)
https://d365fotechnicalblog.blogspot.com/2022/06/create-multi-selection-lookup-in-d365fo_5.html?m=1
https://community.dynamics.com/blogs/post/?postid=1c4642c9-19be-43aa-847a-b396252f90f6
https://msdaxter.wordpress.com/2018/04/12/create-a-multiselect-lookup-control-on-a-form/

but you will need this line of code as an additional thing:
sysTableLookup.parmTmpBuffer(YoutTmpTable);

Here's another link that shows how to parmTmpBuffer (but this one is not for multi select)
https://robscode.onl/x-lookup-on-temp-table-on-form-control-2/

I'm not sure if it's doable as i didn't try it, but try to combine the links and see if you could make it working

Thanks,
Layan Jweihan
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Layan Jwei 8,165 Super User 2026 Season 1 on at

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Hi Dark knight,

I also just saw a standard class that uses "SysLookupMultiSelectCtrl::constructWithQueryRun" and also uses a tmp table.
This method "companyLookup" gets called from postRun method

So you can check this standard class and see if it helps

Thanks,
Layan Jweihan
Please mark this answer as "Verified" if it solved your issue. In order to help others who will face a similar issue in the future

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Hana Xue Microsoft Employee on at

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Hi,
Your link opened abnormally, so we can't view it. You can check if the links below are useful.
jonesd365.blogspot.com
dynamicsgate.com
Best Regards,
Hana

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dark_knight 1,114 on at

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Hello,

Thank you for your answers. Yes, I have checked multiple standard classes and they do exactly what I do. they fill up temp table. Then set cursor to temp table buffer but for me this doesn't work.

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dark_knight 1,114 on at

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Hello,

Thank. I also pasted the code. I do exactly what is done in standard classes as you can see and this doesn't work. I fill up temptable, then set cursor to this tmp buffer. NO result. Lookup is empty.

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Waed Ayyad 9,074 Super User 2026 Season 1 on at

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Hi,

Did you try to reset usage data (clear cache)?

Thanks,

Waed Ayyad.

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