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Showing posts with label asp.net report viewer. Show all posts
Showing posts with label asp.net report viewer. Show all posts

Monday, 26 May 2014

An error has occurred during Report Processing



Error:


An error has occurred during report processing. Exception has been thrown by the target of an invocation. Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.

An error has occurred during report processing. Exception has been thrown by the target of an invocation. Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.

An error has occurred during Report Processing
This tutorial is about how to solve the above mention error. This error is occurred when the unique, foreign-key field is existing in Table Adapter of DataSet. And this Table Adapter is used in the report Data Source. 

DataSet Table Adapter
Table Adapter

Solution: