Last Updated: 02 May 2023 22:06 by Haseeb
Created on: 02 Sep 2021 09:10
Type: Bug Report
Unable to cast object of type 'Telerik.Reporting.Processing.Expressions.ProcessingEvalProvider' to type 'Telerik.Reporting.Expression.IValueObject' on previewing the results in WebServiceDataSource

Error: Unable to cast object of type 'Telerik.Reporting.Processing.Expressions.ProcessingEvalProvider' to type 'Telerik.Reporting.Expression.IValueObject'

is thrown on previewing the data source results in the WebServiceDataSource when the Runtime or Design time expressions are left completely empty or the runtime value is a report parameter with an empty Value property.

1 comment
Posted on: 02 May 2023 22:06
having same issue