InvalidOperationException: Operations that change non-concurrent collections must have exclusive access. A concurrent update was performed on this collection and corrupted its state. The collection's state is no longer correct.

异常代码如下:

                if (!keyValueFeeCategories.ContainsKey(item.ProjectId + item.Category))

                    keyValueFeeCategories.Add(item.ProjectId + item.Category, item.TotalAmount);

　　

InvalidOperationException: Operations that change non-concurrent collections must have exclusive access. A concurrent update was performed on this collection and corrupted its state. The collection's的更多相关文章

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