.NET

OLE DB Providers

hi,guys When coding,I find some code:"if ((value != null) && (value != DBNull.Value))". Any difference?

file-upload-control-in-windows-form

Gets or sets the filter string that determines what types of files are displayed from either the OpenFileDialog or SaveFileDialog.

C# OpenFileDialog control is used to browse and select a file on a computer. In this article, you'll learn how to use the OpenFileDialog in C#.

Use the MessageBox.Show method in Windows Forms to display a dialog box. Change the buttons and text.

Connection strings for SQL Server. Connect using Microsoft.Data.SqlClient, SqlConnection, MSOLEDBSQL, SQLNCLI11 OLEDB, SQLNCLI10 OLEDB, SQLNCLI OLEDB.

All my college years I have been using public, and would like to know the difference between public, private, and protected? Also what does static do as opposed to having nothing?

Converts the value of objects to strings based on the formats specified and inserts them into another string. If you are new to the String.Format method, see the Get started with the String.Format method section for a quick overview. See the Remarks section for general documentation for the String.Format method.

Learn about the Windows Presentation Foundation class hierarchy, including most of the major subsystems and how they interact.

Use the ArrayList type from System.Collections. ArrayList is a resizable array.

Popup in WPF is a Windows that appears on top of a UI and shows a message. These code examples demonstrate how to show a popup in WPF using XAML and C#.

In this step by step tutorial, I am going to discuss the Login control available in ASP.NET 3.5.

In this article I will explain how to configure the CreateUserWizard and Login control using an ASP.NET Membership.

This article, by Scott Mitchell, examines the membership features in ASP.NET.

I can display my data in my textbox, dropdownlist after retrieve data from sql database, but when i proceed with my update button, the information edited in the textbox or dropdownlist wouldn't upd...

Are you trying to teach yourself to code? C# is a great language choice for a number of reasons. Learn C# with these 30 tutorials.

I have a small doubt which I could not google the answer, So thought I could find the answer here. Why should we add <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:

TypeScript is a language for application-scale JavaScript development. It is included in Visual Studio 2015.

Today, I decided to migrate my ASP .NET MVC 5 project from bootstrap 3 to bootstrap 4 (the sass version). After the migration, I got an error after the compilation of my project. Error Build:Ca...

MZ-Tools 8.0 provides many features to find code faster, design faster, code faster, generate documentation, ensure the quality and enhance your Visual Studio experience.