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You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You create a page that contains the following control. 
 You write the following code segment in the code-behind file for the page.
void LoadDate（object sender， EventArgs e） { if （IsPostBack） { 
calBegin.SelectedDate = 
（DateTime）ViewState["date"]； 
} 
} 
void SaveDate（object sender， EventArgs e） { 
ViewState["date"] = calBegin.SelectedDate； 
} 
You need to ensure that the calBegin Calendar control maintains the selected date. Which code segment should you insert in the constructor of the page？（）

简述元认知的含义。 How many years of experience do you have managing and maintaining a Windows Server 2003 environment? （） I have not done this yet.。 Less than 3 months。 3-6 months。 More than 6 months but less than 1 year。 1-2 years。 2-3 year。 类中每个对象称为（）。同一类的对象具有共同的（）和（），它们可以在类中统一说明，而不必在类的每个实例中重复。 试述16Mn钢的气焊工艺。 You create a Web application. The Web application enables users to change fields in their personal profiles. Some of the changes are not persisting in the database. You need to raise a custom event to track each change that is made to a user profile so that you can locate the error. Which event should you use? （） WebAuditEvent。 WebEventManager。 WebBaseEvent。 WebRequestEvent。

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You create a page that contains the following control. 
 You write the following code segment in the code-behind file for the page.
void LoadDate（object sender， EventArgs e） { if （IsPostBack） { 
calBegin.SelectedDate = 
（DateTime）ViewState["date"]； 
} 
} 
void SaveDate（object sender， EventArgs e） { 
ViewState["date"] = calBegin.SelectedDate； 
} 
You need to ensure that the calBegin Calendar control maintains the selected date. Which code segment should you insert in the constructor of the page？（）