Update Readme.md

Author: ritazakhodyaeva

Readme.md

@@ -13,6 +13,7 @@ This example shows how to aggregate your data by string concatenation.
 ## Files to Look At
 * [Form1.cs](./CS/Dashboard_StringConcatAggregate/Form1.cs) (VB: [Form1.vb](./VB/Dashboard_StringConcatAggregate/Form1.vb))
 * [StringConcatFunction.cs](./CS/Dashboard_StringConcatAggregate/StringConcatFunction.cs) (VB: [StringConcatFunction.vb](./VB/Dashboard_StringConcatAggregate/StringConcatFunction.vb))
+* [Program.cs](./CS/Dashboard_StringConcatAggregatel/Program.cs#L24) (VB: [Program.vb](./VB/Dashboard_StringConcatAggregate/Program.vb#L24))
 <!-- default file list end -->
 
 ## Overview
@@ -26,47 +27,10 @@ The following expressions aggregates data by string concatenation for _СontactN
 | --- | --- |
 | Contact names by countries | ``` StringConcat([ContactName]) ``` |
 
-Call the [CriteriaOperator.RegisterCustomFunction](https://docs.devexpress.com/CoreLibraries/DevExpress.Data.Filtering.CriteriaOperator.RegisterCustomFunction(DevExpress.Data.Filtering.ICustomFunctionOperator)) method to register a custom function in your project. The following code snippet shows how to register the numeric group interval's function: 
-
-[Program.cs](./CS/Dashboard_StringConcatAggregatel/Program.cs):
-```csharp
-using System;
-using System.Windows.Forms
-using DevExpress.Data.Filtering;
-
-namespace Dashboard_StringConcatAggregate {
- static class Program {
- /// <summary>
- /// The main entry point for the application.
- /// </summary>
- [STAThread]
- static void Main() {
- // ...
- CriteriaOperator.RegisterCustomFunction(new StringConcatFunction());
- Application.Run(new Form1()); 
- }
- }
-}
-```
-[Program.vb](./VB/Dashboard_StringConcatAggregate/Program.vb):
-```vb
-Imports System.Windows.Forms using DevExpress.Data.Filtering
-
-Namespace Dashboard_StringConcatAggregate
-Friend Module Program
-''' <summary>
-''' The main entry point for the application.
-''' </summary>
-<STAThread>
-Sub Main()
-' ...
-CriteriaOperator.RegisterCustomFunction(New StringConcatFunction())
-Application.Run(New Form1())
-End Sub
-End Module
-End Namespace
-
-```
+Call the [CriteriaOperator.RegisterCustomFunction](https://docs.devexpress.com/CoreLibraries/DevExpress.Data.Filtering.CriteriaOperator.RegisterCustomFunction(DevExpress.Data.Filtering.ICustomFunctionOperator)) method to register a custom function in your project.
+
+View File: [Program.cs](./CS/Dashboard_StringConcatAggregatel/Program.cs#L24) (VB: [Program.vb](./VB/Dashboard_StringConcatAggregate/Program.vb#L24))
+
 
 ## Documentation