what is indexer in c net with examples

... objects for enhancements. Change in the object definition can be done without touching the entire Business Access Layers Let me explain you step-wise process of creatioin of 4-Tier architecture ... objects for enhancements. Change in the object definition can be done without touching the entire Business Access Layers Let me explain you step-wise process of creatioin of 4-Tier architecture ... value; } 4-Tier Architecture in ASP .NET with C# I am using 3-Tier architecture in my different projects, but adding a 4th tier is a novelty for me. After reading this article, I can see the benefits...

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... when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static int Y = A.X ... explicitly or implicitly. b) Static constructors can have accessibility modifiers. e) Static constructors are called when the class is loaded. c) Static constructors cannot be called ... statement’s syntax is incorrect. 51. using System; class Test { static void Main() { int @Main; int[] Static= new int[3]; @Main =100*Static[1]; Console.WriteLine(@Main); } } What will...

Ngày tải lên: 21/08/2012, 15:55

... an int data type. 203. Which of the following is the correct syntax for declaring an indexer. [1.0] a) protected int this[int var1] c) public int this(int var1) b) public int classname[int ... 104. Which of the following are correct statements for implementing an abstract class. [1.0] a) public abstract void class ClassA c) abstract public ClassA b) public abstract class ClassA ... ("MyDll.MyOName" ) object myObject = System.Activator .C reatInstance (myObjectType) b) By using the System.Reflection. CreateInstance() method to create an instance of object in the following manner....

Ngày tải lên: 29/08/2012, 16:37

... sequencing, and the recombinant virus was packaged by infecting the PacI linearized recombinant viral DNA into human embryonic kidney (HEK)-293 cells (Clontech, CA). The resulting recom- binant ... specificity based on receiving operating characteristic (ROC) analysis (Figure 1A). Vgf CSF content decreased as a function of progression of muscle weakness characterized by an increasing ... influence on clinical ALS is through depletion of Vgf neuroprotection against spinal cord motorneuron excitotoxic injury. Collectively our study suggests that reduced Vgf content in the serum, in...

Ngày tải lên: 03/11/2012, 10:52

... without the former because ideas only exist in the mind and a mind is only a metaphysical abstraction of a physical brain. Consciousness is electricity and chemicals and nothing else and so is ... lager French cheeses Citreon 2CVs antisocial sneezes graphic equalisers black bow ties Arthur Neagus Ceri's thighs nurses uniforms soup in a cup trying to finish this poem without giving SEMANTICS Once ... mistakes again and again and again WAR War what is it good for? Reinvigorating depressed economies and winning elections MIDDLE CLASS LAND Some live in middle class land with pensions a prime concern conversations...

Ngày tải lên: 14/11/2012, 16:50

... static constructor for a class is called automatically when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X ... following statements are true with respect to destructors. [2.0] a) Destructors can be invoked explicitly. c) When an instance is destructed, the destructors in an inheritance chain are called ... method b) instance d) struct 63. The constructor without parameters is called _________. [0.5] a) main constructor c) default constructor b) zero valued constructor d) non-parameterized constructor 64....

Ngày tải lên: 09/04/2013, 09:10

... Securing ASP w/ ASP .NET Securing ASP w/ ASP .NET Wildcard mapping Wildcard mapping IIS 6.0 introduces wildcard mapping IIS 6.0 introduces wildcard mapping Can easily map content requests to Can ... application pool identity Available using Win32 APIs Available using Win32 APIs ASP .NET 2.0 Security Info ASP .NET 2.0 Security Info Setting the IPrincipal Setting the IPrincipal Forms Authentication Forms ... IIS UrlAuthorizationModule UrlAuthorizationModule Performs access checks based on: Performs access checks based on: IIdentity.Name IIdentity.Name IPrincpal.IsInRole IPrincpal.IsInRole Windows authenticated users are treated Windows authenticated...

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Ngày tải lên: 08/10/2013, 21:20

... enter the codes into this method shown in Figure 5.81 . Let ’ s see how this piece of code works. A. Since the Connection instance accConnection is created in the LogIn form window with the ... OleDbCommand(); SelectionForm selForm = new SelectionForm(); OleDbDataReader accDataReader; accCommand.Connection = accConnection; accCommand.CommandType = CommandType.Text; accCommand.CommandText ... the new created LogInForm instance. In this way, we get the original LogInForm instance and can access any component located in that instance. public SelectionForm() { InitializeComponent();...

Ngày tải lên: 17/10/2013, 19:15

... custom control project. You’ll then continue to create user controls, which combine other controls into reusable groups (Chapter 10); derived controls, which enhance existing .NET control classes ... Brooks-Copony Production Editor: Janet Vail Compositor: Susan Glinert Proofreader: Nancy Sixsmith Indexer: Michael Brinkman Artist: Kinetic Publishing Services, LLC Interior Designer: Van Winkle ... to be caused directly or indirectly by the information contained in this work. The source code for this book is available to readers at http://www.apress.com in the Source Code section. Macdonald_4398Front.fm...

Ngày tải lên: 19/10/2013, 21:15

... accDataReader; string strFacultyID = string.Empty; DataRow rowFaculty; accCmdFaculty.Connection = logForm.accConnection; accCmdFaculty.CommandType = CommandType.Text; accCmdFaculty.CommandText ... Jenney King MTC-324 course_id faculty_id classroom CSC-131A A52990 TC-109 CSC-13 1C A52990 TC-109 CSC-132A J33486 TC-303 CSC-132B B78880 TC-302 CSC-230 A77587 TC-301 CSC-232B A77587 TC-303 CSC-233A ... faculty_id found!"); } accCmdCourse.Connection = logForm.accConnection; accCmdCourse.CommandType = CommandType.Text; accCmdCourse.CommandText = strCourse; accCmdCourse.Parameters.Add("@Param2",...

Ngày tải lên: 20/10/2013, 11:15

... no connection string is included in this connection object. Yes, but where is the connection string? How can we connect to our database without connection string? However, the connection string ... e) { oraConnection.Close(); oraConnection.Dispose(); Application.Exit(); } public LogInForm getLogInForm() { return this; } OracleSelectRTObjectLINQ.LogInForm cmdCancel_Click() Figure ... oraDataReader.Close(); } A B C D OracleSelectRTObject.LogInForm cmdReadLogIn_Click() Figure 5.164 Coding for the ReadLogIn button Click method. private void cmdCancel_Click(object sender,...

Ngày tải lên: 20/10/2013, 11:15

... following Form window such as LogIn.cs, Grid.cs, Faculty. cs, and Cource.cs by opening the Designer Window (graphical user interface). Then click on the link Go to code from the Error Message Window ... database, CSE_DEPT.accdb, which was developed in Chapter 2 and is located in the folder Database\Access located at the accompanying site: ftp://ftp.wiley.com/public/sci_tech_med/practical_database ... namespace from SelectWizard to SQLInsertWizard for each source fi le. To do that, open the source fi le for each class such as LogIn.cs, Grid.cs, Faculty.cs, Cource.cs, Selection.cs, and Student.cs...

Ngày tải lên: 24/10/2013, 09:15

... AccessInsertRTObject.sln • AccessInsertRTObject.csproj • AccessInsertRTObject.exe • AccessInsertRTObject.pdb • AccessInsertRTObject.cshost.exe • AccessInsertRTObject.xml To rename ... void cmdInsert_Click(object sender, EventArgs e) { int check = 0; InitFacultyInfo(); check = CheckFacultyInfo(); if (check == 0) // all textboxes have been filled. { if (chkPhoto.Checked ... LogInForm logForm = new LogInForm(); logForm = logForm.getLogInForm(); accCommand.Connection = logForm.accConnection; accCommand.CommandType = CommandType.Text; accCommand.CommandText = cmdString;...

Ngày tải lên: 24/10/2013, 09:15