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ASP.NET: Globally Unique Identifiers
GUIDs are very useful for many tasks on websites. Generate a unique cookie, record identifier, file name, prevent forms from being posted twice, etc...
string guid = System.Guid.NewGuid().ToString("N");
Dim guid As String
guid = System.Guid.NewGuid().ToString("N")
mvc
ASP.NET: Bar Graph Control
A custom server control example (.NET Framework).
ASP.NET: Calendar Control Example
Use the Web Form Calendar Server Control (.NET Framework).
ASP.NET: Connect with WebClient
Use the WebClient class to download or upload data to a URL / URI (.NET Framework).
ASP.NET: Convert Byte Array to String
Convert a byte array to a string and a string to a byte array (.NET Framework).
ASP.NET: CSV Output
Comma-separated value output for use by Excel or other spreadsheet application (.NET Framework).
ASP.NET: Download Files
How to download files to the browser from the server using Web Forms (.NET Framework).
ASP.NET: FileUpload Server Control Example
Upload a file using the FileUpload server control for Web Forms (.NET Framework).
ASP.NET: Globally Unique Identifiers
The GUID is great for anything requiring uniqueness (.NET Framework).
ASP.NET: Hash-based Message Authentication Code
Safely store user passwords (.NET Framework).
ASP.NET: HtmlTable Server Control
HtmlTable server control example in VB.NET (.NET Framework).
ASP.NET: Image/JPEG Output
JPEG output in a WebForm / ASPX page (.NET Framework).
ASP.NET: JPEG Utility Library
A tool to help Windows ASP.NET developers modify images (.NET Framework).
ASP.NET: Pie Chart
An example pie chart using ASPX Web Forms (.NET Framework).
ASP.NET: Redirect 404 Errors
How to redirect 404 not found errors with ASPX Web Forms (.NET Framework).
ASP.NET: Repeater Server Control
How to use the Web Form Repeater server control that requires no scripting code (.NET Framework).
ASP.NET: Server Controls
About Web Form Server controls (.NET Framework).
ASP.NET: Tips and Tricks
Useful tips for ASP.NET (.NET Framework).
ASP.NET: Tutorial
ASP.NET Tutorial - Page 1 (.NET Framework).
ASP.NET: Tutorial
ASP.NET Tutorial - Page 2 (.NET Framework).
ASP.NET: Updateable DataGrid
An updateable Web Form DataGrid example (.NET Framework).
ASP.NET: Updateable GridView Example
An updateable Web Form GridView server control example (.NET Framework).
ASP.NET: Upload Multiple Files to the Server
How to upload files to the server from the browser using Web Forms (.NET Framework).
ASP.NET: Validate Credit Card Number
Use Luhn Check to validate a credit card number with examples in C# and VB.NET (.NET Framework).
ASP.NET: Web Browser Cache Control
Stop browser caching of Web Forms (.NET Framework).
ASP.NET: WebRequest and WebResponse Classes
Use the powerful WebRequest and WebResponse classes to download and upload data (.NET Framework).
ASP.NET: Windows TCP/IP Sockets Programming
An example using the TcpClient class to connect.
ASP.NET: Working with Arrays
Sorting and working with parallel arrays (.NET Framework).
ASP.NET: Working with Dates
Working with the Date object and the TimeSpan object in VB.NET (.NET Framework).
ASP.NET: Working with Strings
The StringBuilder class versus String.Format() plus common formatting parameters for dates and numbers in VB.NET (.NET Framework).
ASP.NET: XML Output
Output XML in an ASPX page (.NET Framework).