tailieunhanh - Sams Teach Yourself Crystal Reports 9 in 24 Hours phần 6

Nhấp vào nút chuyên gia Mục. Chọn tùy chọn Expert Mục từ trình đơn Format. Khi thiết kế các báo cáo, bạn nên xem xét các mục sau đây khi làm việc với báo cáo Dịch vụ tích hợp, bao gồm hệ thống kiểm toán và hỗ trợ tư vấn dài hạn | used for this report. 6. Select Discrete Values under the Options area and click OK to return to the Field Explorer. 7. You should now see the Title parameter field listed under Parameter Fields in the Field Explorer as shown in Figure . Figure . The Field Explorer is used to access edit and create parameter fields. We will now create a second parameter field to use later in the hour when discussing how to user parameter fields in coordination with record selections. In this way you can filter the report data according to the selected parameter values. 8. Open the Create Parameter Field dialog. To do this highlight the Parameter Fields item and click the New toolbar button inside the Field Explorer dialog. 9. Define the key properties for the parameter object. Within the Create Parameter Field dialog enter Country in the Name property and provide a meaningful prompting text so that the business user will understand how the entered value will be used such as Please select one or more countries for this report- 10. Select both the Allow Multiple Values and Discrete Value s items under the Options area as shown in Figure . Figure . The Create Parameter Field dialog is used to create and edit parameter fields. used for this report. 6. Select Discrete Values under the Options area and click OK to return to the Field Explorer. 7. You should now see the Title parameter field listed under Parameter Fields in the Field Explorer as shown in Figure . Figure . The Field Explorer is used to access edit and create parameter fields. We will now create a second parameter field to use later in the hour when discussing how to user parameter fields in coordination with record selections. In this way you can filter the report data according to the selected parameter values. 8. Open the Create Parameter Field dialog. To do this highlight the Parameter Fields item and click the New toolbar button inside the Field Explorer dialog. 9. Define the key properties for