如何将两个操作同一字段的报表表达式嵌套为单个表达式？

Got it, let's break this down and merge those two expressions properly. First, let's recap what each one does:

• The first expression =UCASE(Fields!MotherFullName.Value) converts the mother's full name to uppercase.
• The second expression =IIF(ISNOTHING(Fields!MotherFullName.Value), "-", Fields!MotherFullName.Value) handles null values: if the field is empty, it shows "-", otherwise it displays the original name.

To nest them together, we just need to wrap the non-null case of the IIF function with UCASE. This way, valid values get converted to uppercase, while nulls still show "-" as intended.

Here's the combined expression:

=IIF(ISNOTHING(Fields!MotherFullName.Value), "-", UCASE(Fields!MotherFullName.Value))

Quick breakdown of how it works: #

1. ISNOTHING(Fields!MotherFullName.Value) first checks if the field is null.
2. If it is null, we return "-" (matching your original null-handling logic).
3. If it's not null, we pass the field value into UCASE() to convert it to uppercase before returning it.

This single expression handles both the null check and the uppercase conversion in one go.

内容的提问来源于stack exchange，提问作者Rabelani Netshifhire