hi there

when i try to preview the report on the crystal viewer :

first when i try to get all the data from the table it's work ok .. but when i try to made critirya with this code it's rase an err
Code:
this field name is not known
the code that used in critirya :
Code:
report_for = "micro"
    report.RecordSelectionFormula = "{company_info.company_name}='" + report_for + "'"
how to solve this case coz it's working for one time only and then the error rase > how come !!!

thanks