EvaluateExpressions() [2/3]

void System.Data.DataTable.EvaluateExpressions ( DataColumn column )

inlinepackageinherited

Definition at line 6075 of file DataTable.cs.

    {
        int count = column._table.Rows.Count;
        if (column.DataExpression.IsTableAggregate() && count > 0)
        {
            object value = column.DataExpression.Evaluate();
            for (int i = 0; i < count; i++)
            {
                DataRow dataRow = column._table.Rows[i];
                if (dataRow._oldRecord != -1 && dataRow._oldRecord != dataRow._newRecord)
                {
                    column[dataRow._oldRecord] = value;
                }
                if (dataRow._newRecord != -1)
                {
                    column[dataRow._newRecord] = value;
                }
                if (dataRow._tempRecord != -1)
                {
                    column[dataRow._tempRecord] = value;
                }
            }
        }
        else
        {
            for (int j = 0; j < count; j++)
            {
                DataRow dataRow2 = column._table.Rows[j];
                if (dataRow2._oldRecord != -1 && dataRow2._oldRecord != dataRow2._newRecord)
                {
                    column[dataRow2._oldRecord] = column.DataExpression.Evaluate(dataRow2, DataRowVersion.Original);
                }
                if (dataRow2._newRecord != -1)
                {
                    column[dataRow2._newRecord] = column.DataExpression.Evaluate(dataRow2, DataRowVersion.Current);
                }
                if (dataRow2._tempRecord != -1)
                {
                    column[dataRow2._tempRecord] = column.DataExpression.Evaluate(dataRow2, DataRowVersion.Proposed);
                }
            }
        }
        column._table.ResetInternalIndexes(column);
        EvaluateDependentExpressions(column);
    }

References System.count, System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.Runtime.Serialization.Dictionary, System.Data.DataTable.EvaluateDependentExpressions(), and System.value.