Below is a simple function that takes one string argument and returns the word count in that string. In this function, we will use the following VB.NET built-in function: UBound: a function that returns the highest subscript for the indicated dimension of an array. Split: a function that splits strings. It extracts the substrings from... » read more
In PHP, ereg_replace is used to remove unwanted characters from a string. The code snippet below will remove all characters, such as @ and ! from a string. PHP <?php $string = "Remove unwanted %% !character% from my string 2018&&"; $clean_string= ereg_replace("[^A-Za-z0-9]", "", $string); echo $clean_string ?> Run the code; the output should look like:... » read more
This tutorial will teach you how to create an auto-complete ComboBox in a WinForm application. Auto-complete ComboBox is very useful when there are too many items in it. Auto-complete ComboBox using VB.NET First, we need to create a SQL Server database: Design View Data View Related Auto-Complete ComboBox Using C# Now open visual studio and... » read more
This tutorial will explain how to connect to a host machine, and then send data via TCP Socket. First, we need to add the namespaces: using System.Net; using System.Net.Sockets; And the function: public static void SendData(string data, Int32 port, string ips) { IPAddress host = IPAddress.Parse(ips);// IPEndPoint ipendpoint = new IPEndPoint(host, port); // assign host... » read more
In this example, we will teach you how to bind a TreeView using a DataTable in Vb.NET. First, create a WinForm Project in Visual Studio, Select Vb.NET as the language. Then, add a TreeView control to the main form. DataBase And the Code: VB.NET Sub BindTreeView() Dim connetionString = "Data Source=TutorialsPanel-DB\SQLEXPRESS; Initial Catalog=TutorialsPanel;Integrated Security=True;" Dim... » read more
The example below shows us how to bind a ListBox using vb.NET. The ListBox comes from System.Windows.Controls namespace. It’s a list of items that can be selected. First, create a new Visual Studio Project using VB.NET, then add a list box control to the main form as shown below: For this example we will use... » read more
Below is a function that returns a DataTable using in C#. DataTables are derived from the namespace System.Data. We will also use a DataAdapter in this example. The DataAdapter Fills the DataTable from a SQL Database based on a SQL Query which is defined in a SQLCommand. Database C# protected DataTable GetAllRecords() { SqlConnection sqlconn... » read more
To get a computer name in C#, use the property MachineName from the Environment Class: C# strComputerName = Environment.MachineName.ToString(); The Environment class is inherited from the System.Object. It provides information about the current platform and environment of the executable application. Related Articles
In this example, we will explain how to bind a DropDownList in ASP.NET using VB.Net and C#. To better understand this tutorial, you should be familiar with the following topics: C# if Statement DataBase First, let’s create a database table called “ProgrammingLanguages”: Then add a few records to that table: Now create a visual studio... » read more
A combo-box is a window form control that developers use for better user experience. It’s a combination of a dropdown list and a text box. It allows the user to select the desired item or directly type a value into the control. To better understand this tutorial, you should know following C# programming areas: C#... » read more
An array is a data structure that can store a fixes sized collection of elements that belong to the same data type. For example, an array can store a sequence of numbers that starts from 1 to 10. Each item has an index that is represented by a number. For example: arr [0] represents the... » read more