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LINQ – filtering data structures

Using Language-Integrated Query (LINQ) has become very common in recent years as it is an easy way to retrieve data from various data structures eg. arrays. The code itself is also very clean and much...

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File helpers using LINQ

When dealing with files, it is useful to have standard set of helpers to be used that we can relay on. This is when LINQ comes in handy. In this article I will present you with some useful functions...

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Format DataTextField of the DropDownList

Some times there is a need to format DataTextField value of the DropDownList without changing the data source structure. One of the ways to achieve this is to use LINQ by changing the property value...

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LINQ basic string and digit operations

Hi, today I want to show you how we can do the basic string and digit operations with the LINQ. If you are not using Linq in your current projects, you may find it very tempting to start with it. Once...

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Custom code validator using RichTextBox

Knowing how to format text using RichTextBox control lets you build wide range of tools such as code comparers, validators, chat applications etc. In this article I will show you how to build simple...

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Handling DataGrid row events

When creating user interface the common situation is to handle datagrid row event in response to user action. Example of that is changing dropdown list value and refreshing row information without...

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Creating entity validation engine using c# expression rules

Validating entity data is the common task when building business applications. Very often happens that we want to separate the rules from the app code to be able to quickly change it without affecting...

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