Insert a People Picker in Canvas Power App using Combo Box. Below are the steps: Add Office 365 Users Data Source. Add a Combo Box. Click on Edit Fields on Properties Bar. Select Person as the Layout. To pre-populate the Combo Box with the existing value, write below code in DefaultSelectedItems property. RequestSubmittedByEmail and RequestSubmittedByName […]
To check whether a table in data source is empty or not, use IsEmpty
This is equivalent to CountRows(tableName)=0
We cannot use CountRows() directly on data source as it generally gives Delegation warning (Depends on the Connector)
If IsEmpty(tableName) returns true, this indicates that your Data Source table has no rows.