ما الحل لهذه المشكلة اي شرط مضاف ولو كان بسيط ينتج هذا الخطاء
(-1, -1) Type System.CodeDom.CodeBinaryOperatorExpression is not marked as authorized in the application configuration file.)
(0, 0) Activity 'ID5' validation failed: Property "Condition" has invalid value. Condition expression is invalid. The condition expression can not be null.)
(-1, -1) Type System.CodeDom.CodeBinaryOperatorExpression is not marked as authorized in the application configuration file.)
(0, 0) Activity 'ID5' validation failed: Property "Condition" has invalid value. Condition expression is invalid. The condition expression can not be null.)