#ThrowExceptionOnAddConstraintError
##About
Summary: Determines whether exception will be thrown when constraint can't be added using Driver.AddConstraint method
Data Type: System.Boolean
Accepted Values:
Default Value: True
Impacted Features:
Purpose:
Usage:
Caveats:
##Code Samples ###Global.asax (C♯)
```
###Global.asax (VB.NET)
```visualbasic