The Report Parameters are processed before report items (e.g. TextBoxes), hence by design it is not possible to assign the run time value of a TextBox to a Report Parameter.
Generally, the purpose of the Report Parameters
is to specify/filter the data to use in a report, connect related reports, and vary report presentation. If you would like the value of a Report Parameter to depend on a DataSource, you may use the AvailableValues
property of the parameter.
Consider sharing the scenario that requires assigning the run time value of a report item to a Report Parameter, so that we can try to suggest a solution.
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