How to Change file attributes in C# Programming

File attributes are metadata associated with computer files that define system behaviour.  Same as files, folders, volumes and other file system objects may have these attributes. All the operating system have often four attribut...

How to prevent duplicate child forms in windows forms C#

In my previous post we have create an MDI container form in which we have opened some individual forms called child forms. Each form contains a property MdiParent that is used to get or set the parent form of a particular form. ...

Filter data in datagridview according to combobox in c#

As we have previously studied that datagridview is used for display rows and columns of data in a grid format in windows form. Mostly data are previously defined which are to be shown in datagridview. Sometimes we have to change...

Round off value in DataGridView Cell

In most of the situations programmer want to save value in decimal data type, but try to show that value in approximate format. For example we have a variable "income" that have some different value as below income = 3.57 (stored ...

Use XML file as database

Sometimes, when we are creating small application, we have to use SQL Server database if we don’t know about any alternative solution. SQL Server databases are very familiar with programmers, but if our application is small th...

Find a control in windows forms

When we drag-n-drop controls in our designer file then we can easily access those controls in our code file directly by its name. But when we dynamically add some controls either in constructor or in load event of form then we ca...

Cut, Copy and paste operations in windows forms

Introduction It is impossible for one, specially a Programmer, to imagine his/her life without editing. Editing operations (Cut/Copy and paste etc.) are performed using clipboard, so these are also called Clipboard operation...

How to create MDI container form and open child forms in it

MDI, stands for Multiple Document Interface, is a user interface that enable user to work with more than one document at the same time. Each document is displayed in a separate window called child window. A child window canno...