/// <summary> /// Method to verify input data /// </summary> /// <param name="value">The value to check</param> /// <param name="exception">The exception to throw</param> /// <returns><value>true</value> if this value is valid</returns> internal protected virtual bool VerifyValue(object value, out Exception exception) { if (value == null && !IsNullable) { exception = new ArgumentException("Attribute " + AttributeName + " is not nullable"); return(false); } if (value != null && !AttributeType.IsInstanceOfType(value)) { exception = new ArgumentException("Wrong type for attribute " + AttributeName); return(false); } exception = null; return(true); }