23 May 2014 -

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Yes, we can validate a DropDownList by RequiredFieldValidator. To perform this validation, we have to set the InitialValue property of RequiredFieldValidator control.

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ASP.NET IBM

What is the difference between the Response.Write() and Response.Output.Write() methods?

Team Debuggers Space

23 May 2014

The Response.Write() method allows you to write the normal output; whereas, the Response.Output.Write() method allows you to write the formatted output.

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C#.NET IBM

How to implement singleton design pattern in C#?

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23 May 2014

In singleton pattern, a class can only have one instance and provides access point to it globally.Eg:[csharp]Public sealed class Singleton{Private static readonly Singleton _instance =...

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C#.NET Oops Interview Q&A Programming Languages

What are Modifiers in C#? Why can’t you specify the accessibility modifier for methods inside the interface?

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23 May 201428 September 2024

Modifiers in C# are keywords that define the accessibility, behavior, and scope of classes, methods, fields, properties, and other members. They determine how a class...

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C#.NET

What are delegates?

Team Debuggers Space

23 May 2014

Delegates are same are function pointers in C++ but the only difference is that they are type safe unlike function pointers. Delegates are required because...

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Commonly Used Types of Exceptions in .NET, C#, ASP.NET, .NET Core, and API

Team Debuggers Space

23 May 201428 September 2024

Exceptions are critical in C# and .NET for handling errors and ensuring robust application performance. When an error occurs, exceptions provide detailed information that helps...

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What Are Generics and Delegates in C# .NET (Including .NET Core and Web API)?

Team Debuggers Space

23 May 201428 September 2024

Generics and Delegates are key features in C# .NET that improve flexibility, reusability, and maintainability of code. These concepts are also heavily used in .NET...

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C#.NET

What’s the difference between the System.Array.CopyTo() and System.Array.Clone() ?

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23 May 2014

Using Clone() method, we creates a new array object containing all the elements in the original array and using CopyTo() method, all the elements of...

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C#.NET

Differences Between System.String and System.Text.StringBuilder Classes in .NET and .NET Core

Team Debuggers Space

23 May 201427 September 2024

Differences Between System.String and System.Text.StringBuilder Classes in .NET and .NET Core In both .NET and .NET Core, you often work with strings when developing applications....

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ASP.NET

What are Custom Control and User Control?

Team Debuggers Space

23 May 2014

Custom Controls are controls generated as compiled code (Dlls), those are easier to use and can be added to toolbox. Developers can drag and drop...

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How to implement singleton design pattern in C#?

What are Modifiers in C#? Why can’t you specify the accessibility modifier for methods inside the interface?

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Commonly Used Types of Exceptions in .NET, C#, ASP.NET, .NET Core, and API

What Are Generics and Delegates in C# .NET (Including .NET Core and Web API)?

What’s the difference between the System.Array.CopyTo() and System.Array.Clone() ?

Differences Between System.String and System.Text.StringBuilder Classes in .NET and .NET Core

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