web123456

Multiple choice question collection

1. In the .NET framework, CLR refers to (C).
A. Instant compilation B. Garbage recycling C. Common Language Runtime Library D. Public type system
2. Which of the following shortcut keys (C) is used for the statement-by-state debugging program?
A．F5 B．F10 C．F11 D．F8
3. Which of the following types are not value types (D).
A．Boolean typeB. Structure type C. Enumeration type D.Stringtype
4. Which of the following concepts cannot be defined as constants (D).
A. Speed ​​of light B. Pi C. Number of months of each year D. Total seconds in one year
5. Among the following descriptions about while and do…while statements, the incorrect one is (D).
A. All can realize the vicious cycle B. While statements can be executed zero or multiple times
C. The do…while statement is executed at least once D. While statements and do…while statements can be replaced by each other
6. The followingArrayIn the declaration statement, the correct one is (D).
A．int a[3]; B．int [3] a; C．int[][] a=new int[][]; D．int [] a={1,2,3};

7. Which attribute is the address pointed to by the hyperlink? (B).
A．action B．href C．value D．url

8. Check out the following code carefully:

This css code will change the style of which tag (A).
A．

Selector one applied


B．

Selector one applied


C．

Selector one applied


D．

Selector one applied

9. The way to include CSS styles, not including which (B).
A. In-line style B. Injection C. Embedded D. Linked

10. Which attribute can enable multiple selection of tags (D).
A．name B．size C．disabled D．multiple

11. Assuming that lblMessage is the ID of the control Label, then (D) can display "Hello!" on the control.
A. = "Hello!"; B. = "Hello!";
C. = "Hello!"; D. = "Hello!";

12. In the following description of the DropDownList server control is (D).
A. DropDownList server control does not support multiple selection
B. You can use the SelectedIndex attribute or SelectedItem attribute to determine which item is selected.
C. SelectedIndexChanged event is raised when the user changes the option
D. Similar to the ComboBox control in WinForms, allowing users to enter text at runtime

13. The following inaccurate description of the server control is (B).
A. The server control runs on the server side B. When adding server controls, you must write them through code.
C. Most server controls have their own events D. Server controls can be data-binded in HTML code

14. By setting the (B) property of the Button control to false, the control can be turned unavailable, that is, the control will turn gray.
A．Visible B．Enabled C．Dock D．ForeColor

15. To set the TextBox control to the password text box, its (C) attribute needs to be set.
A．SingleLine B．MultiLine C．Password D．Text

16. The control that indicates the radio button below is (A).
A．RadioButton B．CheckBox C．ListBox D．Radio

17. When data binding to a ListBox control, you need to specify the data source through its (A) attribute.
A．DataSource B．DataTextField C．DataValueField D．SelectedItem

18. To set the Panel control to display both horizontal scroll bars and vertical scroll bars, you need to set the (C) attribute.
A．Horizontal B．Vertical C．Both D．Auto

19. The following is not a select type control (D).
A．RadioButton B．CheckBox C．DropDownList D．TextBox

20. If you want to verify that data is entered in the text box, you should use the (A) control.
A. RequiredFieldValidator control B. CompareValidator control
C. ValidationSummary control D. RangeValidator control

twenty one. The function of the ValidationSummanary control is (B).
A. Check the sum B. Centrally display all validation results
C. Determine whether there is any exceeding the scope D. Check the size of the value

twenty two. If the user information requires the mobile phone number to be filled in, then when registering, the verification of the mobile phone number is used to verify the mobile phone number using the (C) verification control.
A．RequiredFieldValidator B．RegularExpression
C. RequiredFieldValidator and RegularExpression D. CompareValidator and RequiredFieldValidator
23. In this case, it is known that the ValidationExpress property of a RegularExpression Validator control is "[a-z0-9]{3,5}", then the input illegally in the TextBox control verified by the RegularExpressionValidator control is (D).
A．12345 B．abcde C．abcABC D．123abc

24. Among the following options, which one is to output content to the page through the Response object (A).
A． B．
C． D．

25. The following description of the Session object is (B).
A. Session objects can store variables across web programs B. The valid time of the Session object cannot be set
C. Session objects can be added and removed D. Sometimes the Session object is lost

26. To obtain the physical path of the specified file, you need to use the following (A) method.
A．Server.MapPath B． C． D．

  1. The correct statement about the master page is (D).
    A. A site can only have one master page
    B. A content page corresponds to a location in the master page ContentPlaceHoder
    C. The content surface is equivalent to the iframe page in HtmL, and the browsing address shows the master page address
    D. The master page suffix name is .master

  2. What does not belong to the theme component element is (D).
    A. Appearance B. Cascading style sheet (CSS) C. Images and other resources D. General Processing Programs

  3. When dynamically loading the topic, the main thing is to set the topic of the page in the (D) event.
    A．Page_PreInit B．Page_Load
    C．SelectedIndexChanged D．TextChanged

30. Perform the followingJavaScriptCode, the value of the last variable j should be (c).

A．5			B．6			C．7	  	   D．0
  • 1

  1. The following description of the cookie object is inaccurate (A).
    A. Cookie object runs on the server side
    B. Save the cookie file on the client
    C. Cookie objects can set expiration time through the Expires property
    D. Cookies can be used in the voting system to restrict repeated voting

  2. By setting the (B) property of the Button control to false, the control can be turned unavailable, that is, the control will turn gray.
    A．Visible B．Enabled C．Dock D．ForeColor

  3. If you want to verify that data is entered in the text box, you should use the (A) control.
    A. RequiredFieldValidator control B. CompareValidator control
    C. ValidationSummary control D. RangeValidator control

  4. In, the object used to establish a connection with the data source is (A).
    A. Connection object B. Command object C. DataAdapter object D.DataSetObject
    35. If you want to use the SqlCommand object to operate on the SQL Server database, you should introduce (B)Namespace。
    A． B．
    C． D．
    36. In the database connection string "Server=(local);Database=db_LibraryMS;Uid=sa;Pwd=", Server refers to (B).
    A. Database name B. Database server name C. Data table name D. User computer name
    37. Use the (A) method of the Command object to create a DataReader object.
    A．ExecuteReader B．ExecuteScalar C．ExecuteNonQuery D．ExecuteXmlReader

  5. Regarding the following code, one of the wrong statements is (D).
    //Define the database connection string
    string strCon = “Server=(local);User Id=sa;Pwd=;DataBase=db_LibraryMS”;
    SqlConnection sqlcon = new SqlConnection(strCon); //Create a database connection object
    //Create a database bridge object
    SqlDataAdapter sqlda = new SqlDataAdapter(“select * from tb_admin”,sqlcon);
    DataSet myds = new DataSet(); //Create a dataset object
    (myds,"tabName"); //Fill the specified table in the dataset
    = ["tabName"]; //Specify the data source for dataGridView1
    ();
    A. Get the tb_admin data table data in the db_ LibraryMS database B. Use DataSet to store data
    C. The temporary table tabName D is used in the code. There is an error in this code

  6. There is a GridView control called dgStudent in the web page. In order to prohibit the user from sorting the data in the control, a (D) code should be added to make the GridView control lose its sorting function.
    A．=true; B．=true;
    C．=false; D．=false;

  7. In, the following data source that can be used as the GridView control is (D)
    （1）DataSet
    （2）DataTable
    （3）DataView
    A. 1 and 2 B. 1 and 3 C. 2 and 4 D. 1. 2 3 are OK

  8. When executing data binding expressions, which of the following code needs to be written in the Page_Load event (A).
    A．(); B．(); C．DataBind(); D．();

  9. The data transmission standard of Web services is (B), which ultimately realizes mutual communication and data sharing between cross-platform and cross-languages.
    A．HTTP B．XML C．HTML D．JAVA

  10. Among the following statements about solutions, the incorrect one is (B).
    A. A solution can contain multiple projects B. A solution can only contain one project
    C. When creating a new project, a solution will be generated by default D. The solution file's extension is ".sln"