关于ASP.NET的问题 在线等

2025-02-27 04:08:28
推荐回答(5个)
回答(1):

单选:3 、C 4、 B 5、D 6、B 7、A 8、C 9、A 10、C
判断题:1、y 4、N 5、N
简答题:
/^(19|20)\d{2}-(0?\d|1[012])-(0?\d|[12]\d|3[01])$/;
这个是1900-2099,简单验证1-12月,1-31日,对于2月30这样的不管。如果都验证,这个正则表达式会很长,你看懂这个自己就会改了。例如:







第一种方法:通过URL链接地址传递
Request.Redirect("Default2.aspx?username=honge");
string username = Request.QueryString["username"];这样可以得到参数值
第二 通过post方式。
receive.aspx
string username = Ruquest.Form["receive"];
第三种方法:通过session
Session["username"] = "honge";
Request.Redirect("Default2.aspx");
string username = Session["username"];这样可以得到参数值。
3、Cach3["test"]=test.value;
ViewState["test"]=test.value;
Session["test"]=test.value;
Cookie["test"]=test.value;
AppliCation["test"]=test.value;
4 ExecuteScalar() : 执行查询并返回查询结果 并把结果集中在第一行第一列 其它忽略
ExecuteNonQuery():执行查询并返回受影响行数
ExecuteReader(): 执行并生成dataReader对象
5、value="Provider=SQLOLEDB;Server=.;Initial Catalog=northwind;User id=sa;Password=123;"
编程题
1、自己写吧
2、Public void Application_OnStart()
{
lock(this)
{
Application["count"]=0;
}
}
Public void Session_OnStart()
{
lock(this)
{
Application["count"]=((int32)Application["count"])++;
}
}
Public void Session_OnEnd()
{
lock(this)
{
Application["count"]=((int32)Application["count"])--;
}

}

回答(2):

一、单选题
3.A.存储的位置不同
4.B.集中显示各个验证的结果
5.D.RadioButtonList
6.B. 设置btnCancel按钮的CausesValidation属性为False
7.A. <%Page EnableTheming=”false”%>
8.C) 将CheckBox控件的AutoPostBack属性设置为true
9.A) RequiredFieldValidator控件
10.C) 通过添加runat=“server”属性并设置id属性

回答(3):

一。单选题
3.A:存储的位置不同(session存储在服务器端,而cookie则存储在客户端)
4.B:集中显示各个验证的结果
5.D:RadioButtonList
6.B.:设置btnCancel按钮的CausesValidation属性为False
7.A:<%Page EnableTheming=”false”%>
8.D:将CheckBox控件的AutoPostBack属性设置为false
9.A:RequiredFieldValidator控件
10.C:通过添加runat=“server”属性并设置id属性
二。判断题
1.Y 4.N 5.N
四。简答题
1.答:给bthDate文本框添加“正则验证控件”以验证日期的合法性,确保提交的数据符合数据库的日期类型
2.答:URL 传参(get),Session,Cookie,Server.Transfer+HttpContext.CurrentHandler
3.答:asp.net提供了几种内置的存储对象:Application,Session,Cookie,ViewState,Cache,HttpContext.Current.Item["key"]
4.答:
ExecuteScalar() :返回单一结果集。返回类型为object
ExecuteNonQuery():执行查询并返回受影响行数
ExecuteReader(): 返回只读数据流
5.答:string connstr=@"data source=(local);database=northwind;uid=sa;pwd=123";
五。编辑题
1.
foreach(Control c in Page.Controls){
if (c is TextBox){
TextBox t =c as TextBox;
t.Text="123"
}
}
2.主要是操作 Application,我就不写了

回答(4):

C.生命周期不同
B.集中显示各个验证的结果
D.RadioButtonList
B. 设置btnCancel按钮的CausesValidation属性为False
C) 将CheckBox控件的AutoPostBack属性设置为true
A) RequiredFieldValidator控件
C) 通过添加runat=“server”属性并设置id属性

Y/N/N

回答(5):

LZ在考试啊,哈哈哈

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