Hi Erik,
Thank you for contacting Syncfusion support.
Query #1: “To make a mass import of purchase requests through a spreadsheet control”
We would like to let you know that we have an option to import the excel file using “Import” method in spreadsheet. For further details regarding the import functionality in Spreadsheet, please refer the below help doc links
Query #2: He can copy/paste data from a xml file, edit and then save them in a table in the database
We have checked your reported requirement, before we proceed further provide us the following details.
1. The term you have mentioned copy/paste from xml file, whether you need to paste the value to the spreadsheet cell or any other?
2. Please provide detailed description about your requirement or video demonstration of your requirement.
3. If you need to save the spreadsheet data to the table in database, please refer below KB link for more details.
Related KB Links:
Query #3: The spreadsheet also have to be able to validate the data inputed by the user, like check for the correct format or if a user code exists in the database.
We would like to let you know that in Spreadsheet you can able to highlight the invalid data entered by the user by using
highlightInvalidData() method. For more details refer the below help documentation link.
Could you please check the above details and get back to us with the above requested information, based on that we will check and provide you a better solution quickly?
Regards,
Vinoth Kumar S