使用类型化数据集时出现问题
Dataset _dBSettings;
_dBSettings = SqlHelper.ExecuteDataset(_connectionString, CommandType.StoredProcedure, "usp_GetTCMSData");
我有 DataSet 现在它是一个非类型化数据集；它包含 10 张桌子。我想将非类型化数据集分配给类型化数据集 - 我该怎么做？
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typeDs = _dBSettings;
Dataset _dBSettings;
_dBSettings = SqlHelper.ExecuteDataset(_connectionString, CommandType.StoredProcedure, "usp_GetTCMSData");
I have DataSet now it is an untyped dataset; it contains 10 tables. I want to assign to the untyped dataset to a typed dataset - how can I do that?
Like:
typeDs = _dBSettings;
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您无法在非类型化数据集和类型化数据集之间进行分配。类型化数据集是由数据集设计者生成的类。如果您转到 Windows 资源管理器并导航到其中包含类型化数据集的文件夹，您将看到许多与类型化数据集相关的文件，其中之一是 Designer.cs 文件。如果你打开它你会看到类似的东西
基本上，您必须编写代码将数据从非类型化数据移动到类型化数据。
You can't do an assignment between an untyped dataset and a typed one. A typed dataset is a class that is generated by the dataset designer. If you go to windows explorer and navigate to the folder with the typed dataset in it you'll see a number of files relating to your typed dataset, one of them will be a Designer.cs file. If you open that up you'll see something like
Basically you are going to have to write code to move the data from the untyped one to the typed one.