.NET

Collection by George Calin

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programming with .NET

George Calin
C# Essentials
Windows Presentation Foundation tips
ASP.NET Essentials
C# Intermediary
ASP.NET Intermediary
Document KATO-BOM
Bootstrap
Tools and Utilities
Other Pins

C# Essentials

default

OLE DB Providers

OLE DB Providers

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

the difference between "System.DbNull.Value" and "null"?

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

file-upload-control-in-windows-form

File Upload control in Windows Form

file-upload-control-in-windows-form

openFileDialog class

FileDialog.Filter Property (Microsoft.Win32)

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

An OpenFileDialog control is used to browse and select a file on a computer. This article demonstrates how to use a windows Forms open file dialog in C#.

OpenFileDialog In C#

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#.

This C# tutorial uses the MessageBox.Show method in Windows Forms.

C# MessageBox.Show Examples

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 SqlConnection, Context Connection, SQLNCLI11 OLEDB, SQLNCLI10 OLEDB, SQLNCLI OLEDB, sqloledb, SQLXMLOLEDB.4.0.

ConnectionStrings.com

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?

In C#, what is the difference between public, private, protected, and having no access modifier?

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?

ewbi.develops: Multi-line SQL String Literals in C#

ewbi.develops: Multi-line SQL String Literals in C#

String.Format Method (System)

String.Format Method (System)

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.

Windows Presentation Foundation tips

WPF Architecture | Microsoft Docs

Architecture - WPF .NET Framework

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

Custom String Format for DateTime [C#]

String Format for DateTime [C#]

C# ArrayList Examples - Dot Net Perls

C# ArrayList Examples

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

Using XAML Popup In WPF

Using XAML Popup In WPF

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#.

ASP.NET Essentials

Login Control in ASP.NET 3.5

Login Control in ASP.NET 3.5

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

How to Configure CreateUserWizard and Login Control Using ASP.NET Membership

How to Configure CreateUserWizard and Login Control Using ASP.NET Membership

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

Examining ASP.NET's Membership, Roles, and Profile - Part 3 - 4GuysFromRolla.com

Examining ASP.NET's Membership, Roles, and Profile - Part 3

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

C# Intermediary

c# - How to display data from database into textbox, and update it - Stack Overflow

How to display data from database into textbox, and update it

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...

The Best C# Tutorials for Beginners to Advanced Programmers

Site Search & Discovery powered by AI

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.

ASP.NET Intermediary

Document KATO-BOM

attachment

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:

What does script manager control actually do?

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:

Bootstrap

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

TypeScript for Visual Studio 2015

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...

Build error "Cannot find name 'Record'" with bootstrap 4

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...

Tools and Utilities

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.

Features of MZ-Tools 8.0

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.

Other Pins

WPF Architecture | Microsoft Docs

Architecture - WPF .NET Framework

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

Custom String Format for DateTime [C#]

String Format for DateTime [C#]

C# ArrayList Examples - Dot Net Perls

C# ArrayList Examples

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

Using XAML Popup In WPF

Using XAML Popup In WPF

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#.

default

OLE DB Providers

OLE DB Providers

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

the difference between "System.DbNull.Value" and "null"?

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

file-upload-control-in-windows-form

File Upload control in Windows Form

file-upload-control-in-windows-form

openFileDialog class

FileDialog.Filter Property (Microsoft.Win32)

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

An OpenFileDialog control is used to browse and select a file on a computer. This article demonstrates how to use a windows Forms open file dialog in C#.

OpenFileDialog In C#

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#.

This C# tutorial uses the MessageBox.Show method in Windows Forms.

C# MessageBox.Show Examples

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 SqlConnection, Context Connection, SQLNCLI11 OLEDB, SQLNCLI10 OLEDB, SQLNCLI OLEDB, sqloledb, SQLXMLOLEDB.4.0.

ConnectionStrings.com

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

Login Control in ASP.NET 3.5

Login Control in ASP.NET 3.5

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

How to Configure CreateUserWizard and Login Control Using ASP.NET Membership

How to Configure CreateUserWizard and Login Control Using ASP.NET Membership

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

Examining ASP.NET's Membership, Roles, and Profile - Part 3 - 4GuysFromRolla.com

Examining ASP.NET's Membership, Roles, and Profile - Part 3

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

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.

Features of MZ-Tools 8.0

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.