BExIS.IO.Transform.Input.DataReader.ValidateRow C# (CSharp) Method

        public List<Error> ValidateRow(List<string> row, int indexOfRow)
        {
            List<Error> errors = new List<Error>();

            // number of variables in datastructure
            int numOfVariables = this.StructuredDataStructure.Variables.Count();

            // number of current row values
            int rowCount = row.Count();

            // number of is equal
            if (numOfVariables.Equals(rowCount))
            {
                int valuePosition = 0;
                foreach (string v in row)
                {
                    try
                    {
                        VariableIdentifier hv = SubmitedVariableIdentifiers.ElementAt(row.IndexOf(v));
                        Variable sdvu = getVariableUsage(hv);

                        ValueValidationManager validationManager = ValueValidationManagerDic[sdvu.Id];

                        List<Error> temp = new List<Error>();

                        // returns the checked value and update the error list if error appears
                        object value = validationManager.CheckValue(v, indexOfRow,ref temp);

                        if (temp.Count == 0)
                        {
                            temp = validationManager.ValidateValue(v, indexOfRow);

                            // check Constraints
                            foreach (Constraint constraint in sdvu.DataAttribute.Constraints)
                            {
                                //new Error(ErrorType.Value, "Not in Range", new object[] { name, value, row, dataType });
                                if (!constraint.IsSatisfied(value))
                                    temp.Add(new Error(ErrorType.Value, constraint.ErrorMessage, new object[] { sdvu.Label, value, indexOfRow, sdvu.DataAttribute.DataType.Name }));
                            }
                        }

                        if (temp != null) errors = errors.Union(temp).ToList();

                        valuePosition++;
                    }
                    catch
                    {
                        //test
                        if (true)
                        {

                        }

                    }
                }
            }
            // different value lenght
            else
            {
                Error e = new Error(ErrorType.Other, "Number of Values different as number of variables");
                errors.Add(e);

            }

            NumberOfRows++;

            return errors;
        }