Using "System.Text.RegularExpressions" in C# you have a lot of abilities to work with text. One of practice of using System.Text.RegularExpressions is working with IP addresses. (read more...)

There’re no associative arrays (hash) in common sense. There are Dictionaries for this. It’s a very good tool if you want to use link "key-value". Using Dictionaries, keys and values can be different types. (read more...)

Each time I forget how to add new line symbol to string. I decided to add to memories. Below how to add new line symbol to string in C#.

string message = Label1.Text;
message = message.Replace("<br />", System.Environment.NewLine);

I was creating a simple tool to work with database table. When I coded a part of updating table records I got some errors. One of them was:

Fixing C# and GridView error - String or binary data would be truncated. The statement has been terminated (read more...)

When I tried to add html to data for my GridView control, I could only see html code. I could see "<span class="myhtmlclass">my text</span> from SQL request</span>. But I wanted to wrap my content with <span> tags. (read more...)

The reason of error  "'Namespace.className.source' is inaccessible due to its protection level" is that by default class variables "source" and "substitute" are protected and you don’t have access to them anywhere out of the class. (read more...)

GridView is a powerful and easy in use tool in Asp.net, especially if you know how to use it. There are a lot of tutorials how to add dynamic hyperlink column to GridView not programmatically, but this tutorial is about how to add hyperlink to GridView programmatically (in code-behind). (read more...)

In this post I write some examples of C# coding for SharePoint list items. These methods are rather fast and it's very actual for SharePoint. (read more...)

Using of control FileUppload has some specialities – there must be made a PostBack on your event. But using UpdatePanel there’s no PostBack event on client click. For correct work you should use PostBackTrigger.

(read more...)

To add multiple upload control and set up handler for it is quite easy in Visual Studio 2013.  (read more...)