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In this post we explained how to write text to a file in C#. Today we will explain reading text from a file using the StreamReader class. So create a file “text.txt” in the same directory where is the executable of the project. We will create a C# Console Application. First, we must include this [...]
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The timer class is often used in many applications. It’s very simple for using, like all the classes implemented in .Net Framework. So create a C# Console project, we will try this class in a console application. Include this namespace, so we can use the Timer class using System.Timers; Then in the Main() function put [...]
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Trigraph is a sequence of three characters. The first two always are question marks “??”. Trigraphs are equivalent to some single characters. Here is a table from trigraphs and their equivalents Trigraph Equivalent ??! | ??< { ??> } ??/ \ ??’ ^ ??- ~ ??= # ??( [ ??) ] This can cause some [...]
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Adding items to list view is more difficult than adding items to list box. And in general the ListView control is more complex than the ListBox, and that makes it more difficult to work with. So, in a C# project, create this form The controls have the default names in Visual Studio 2008. Than click [...]
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When we create a new C#.Net project (or other .Net project, , the editor includes the following using statements in the code using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; But most of this included namespaces are unused, and you don’t know which of them you don’t [...]
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Adding items to this controls in .Net is very easy. To demonstrate that we will create a simple project with the following controls: ListBox (name: listBox1) ComboBox (name: comboBox1) TextBox (name: textBox1) Button (text: Add) So, drag this controls from the toolbox and drop them on the main form one by one. Make a form [...]
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The usage of RegistryKey class is very huge in many applications in which is needed to “remember” some settings of the application, and then load them when starting the application. Today we will use the RegistryKey class for that issue. The application will save this informations in the registry when exiting: Left Top Height Width [...]
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In this article we will explain moving the pointer through an array. It’s simple but sometimes confusing. So try these simple examples in your unmanaged C++ project. Creating an array and assigning a pointer to it int arr[4]; int *ptr = arr; //[*][ ][ ][ ] Points at the first element of the array When [...]
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Writing and reading to/from a registry key in .Net is really easy. All that is implemented in Microsoft.Win32 namespace, so at the start put this in the usings using Microsoft.Win32; Than in some function write this RegistryKey key = Registry.CurrentUser.OpenSubKey("Software", true) .CreateSubKey("CodeItWell.com"); So, we are creating an object from the RegistryKey class, the object will [...]
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Pointers are one of the hardest parts of programming to understand. But they are very useful. When programming with pointers, we use two operators: reference operator (&) and dereference operator (*). We use the reference operator to see the address where a variable is stored, and the dereference operator is to see the value of [...]
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In the previous two articles (1, 2) we explained connecting to Microsoft Access database and writing to it, in C#. Now we do that in ASP.Net. For start create a new ASP.Net project. First of all we are creating two labels, two text boxes and one button with the following code (add it between the [...]
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In the previous post. We described the connection to the Microsoft Access database. Now we will add some functionality to that. The user can insert diferent records. For start, make a form like this (the names of the components are specified on the picture) Now in the button1 event method insert this code string connStr [...]
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The database connection is so easy to do in .Net Framework. We will use Microsoft Access database for our example, the code will be written in C#.Net. For start create one Microsoft Access database (db.mdb), and create a table (Info) with the folowing columns ID (AutoNumber) FirstName (Text) LastName (Text) Then in button event (it’s [...]
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My Name is Shabbir Bhimani and I am developer by profession in the field of applications, web and database. Currently doing full time online marketing and like to share my experiences on how you can make money online @ CodeItWell.com. Read more ...
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