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Frequent Visitor

DataSourceInfo is invalid

I am facing same error for MaxLength . I have changed it to - DataSourceInfo([@Table1],MaxLength,"Id") , still I can see same error. Is there any other way to fix it?

2 ACCEPTED SOLUTIONS

Accepted Solutions
Dual Super User II
Dual Super User II

Hi @AzureLearner 

 

The 3rd param is the column name

DataSourceInfo function intellicense will let you pick specific column names

Not all column types work

 

Regards,

Reza Dorrani

 

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly

 

 

View solution in original post

Community Support
Community Support

Hi @AzureLearner ,

The right syntax of DataSourceInfo function is :

DataSourceInfoDataSourceInformationColumnName )

The information shoule be the format like this:

DataSourceInfo.DisplayName

DataSourceInfo.MaxLength

DataSourceInfo.MaxValue

So, try this formula:

DataSourceInfo([@Table1],DataSourceInfo.MaxLength,"Id")

Here's a doc about this function for your reference:

https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/functions/function-datasourceinfo

 

 

Community Support Team _ Phoebe Liu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

View solution in original post

5 REPLIES 5
Dual Super User II
Dual Super User II

Hi @AzureLearner 

 

The 3rd param is the column name

DataSourceInfo function intellicense will let you pick specific column names

Not all column types work

 

Regards,

Reza Dorrani

 

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly

 

 

View solution in original post

Community Support
Community Support

Hi @AzureLearner ,

The right syntax of DataSourceInfo function is :

DataSourceInfoDataSourceInformationColumnName )

The information shoule be the format like this:

DataSourceInfo.DisplayName

DataSourceInfo.MaxLength

DataSourceInfo.MaxValue

So, try this formula:

DataSourceInfo([@Table1],DataSourceInfo.MaxLength,"Id")

Here's a doc about this function for your reference:

https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/functions/function-datasourceinfo

 

 

Community Support Team _ Phoebe Liu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

View solution in original post

Frequent Visitor

@RezaDorrani @v-yutliu-msft :Thanks a lot!



 

New Member

Workaround hack for the DataSourceInfo-always-true bug.

1. Create a new Sharepoint list with 1 row

2. Grant read permission only to the group you want to test

3. Add a hidden Gallery control to your PowerApp that refers to your new list

4. The Gallery will only load rows if the user has that permission, so use CountRows to test this.

 

Robert.

Hi, I assume MaxLength doesn't work well with CDS data source?

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