Updating a dataset column with text box value dating violence charts
When you create a dataset, the data types of the fields on the data source may not be exactly the data types used in a report.
Note You can create and modify paginated report definition (.rdl) files in Report Builder and in Report Designer in SQL Server Data Tools.
The data processing extension or data provider may map data types from the data source to common language runtime (CLR) data types.
The data types returned by data processing extensions are mapped to a subset of common language runtime (CLR) data types from the . On the data source, the data is stored in data types supported by the data source.
In the report body, a text box value expression must specify an aggregate and a dataset.
If only one dataset exists in the report, this default expression is created for you.