c# - Unknown Database Connector Error -


i have problem in server computer when click button show report(crystal)

this error have been shown:

unknown database connector error error in file list_vagozari_ensheab_ab {6b911dd4-2b53-4005-9372-522c74b17ad0}.rpt: unknown database connector error

when right click in database fields--->database expert... , click on oledb(ado) following error has been appears : unknown database connector errore. , cant create or see connections...

thanks.

crystal report files fill datatable rows , must adjust connection properties on connection object. checking steps : 1- application connect server ( if not check server , client options such firewalls , antivirus , dbms server , connetion string , ... ) 2- commanad server fine ( syntax , result) please determine programming language


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