c#DBSET和DataAdapter错误 [英] c# DBSET and DataAdapter error

问题描述

private DBDataSet dBDataSet;
         private System.Windows.Forms.BindingSource dataBindingSource;
         private PensionerMIS.DBDataSetTableAdapters.DataTableAdapter dataTableAdapter;

当我运行该程序时，我发现foll msg ........ dbdataset和dataTableAdapter从未分配给它们，并且将始终使用其默认值null，


我应该怎么做，另一个查询的相同代码运行良好，似乎代码没有变化，这是什么原因.

when i run the program, i found the foll msg ........ dbdataset and dataTableAdapter is never assigned to and will always use its default value null,


what should i do, same code for another query is running fine, seems no change in code that what is the reason

推荐答案

您永远不会设置dBDataSet dataTableAdapter.
像dataTableAdapter = new DataTableAdapter ( ... )

You are never setting the dBDataSet, dataTableAdapter.
Something like dataTableAdapter = new DataTableAdapter ( ... )

这样的东西，在设计器类中，它不会自动声明数据集和适配器，

没错，帕特尔先生

ok i got it, in designer class it is not automatically declaring the dataset and adapter,

u r right & thks Mr Patel

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