No difference ,between LinkedLabel Clicked event and LinkedLabel LinkClicked event.
If you use two Events in your Project ,LinkedLabel Clicked event triggers,LinkedLabel LinkClicked event doesn't trigger.

Yes , Use keyvalue

CTRL +H = Remove Last Character.
CTRL +Z = Select All Charaters/Last Character in TextBox.
CTRL +X = Cut selected Charaters in TextBox.
CTRL +C = Copy Selected Charaters in TextBox.
CTRL +P = Paste Selected Charaters in TextBox.

The DataGridView.CellValidating event occurs when a cell loses input focus, enabling content validation.So, when you add a new value to the cell, the cellvalidating will not get the new value you've entered, but an old value. Because the new value hasn't been committed.
DataGridView.CellValueChanged: Occurs when a cell loses input focus, enabling content validation.
The DataGridView.CellValueChanged event occurs when the user-specified value is committed, which typically occurs when focus leaves the cell.
This event may get the new value when you leave to edit the current cell in your DataGridView. And it will not get an empty string if you enter some characters in the cell.

(1)WindowsDefaultLocation tells the form to start up at a location selected by OS, but with internally specified size.

(2)WindowsDefaultBounds delegates both size and starting position choices to the OS.

System.Windows.Forms.MessageBox.Show

In order to install and uninstall Window Services. First we have to open the command prompt of Visual Studio and we have to move to the project folder where the .exe file is located and then we have to type :

For Installing : installutil -i ServiceName.exe

For Uninstalling : installutil -u ServiceName.exe

difference between datagridview of window forms and data grid controls

Anchoring treats the component as having the absolute size and adjusts its location relative to the parent form. Docking treats the component location as absolute and disregards the component size. So if a status bar must always be at the bottom no matter what, use docking. If a button should be on the top right, but change its position with the form being resized, use anchoring.

Initialize an instance of AppSettingsReader class. Call the GetValue method of AppSettingsReader class, passing in the name of the property and the type expected. Assign the result to the appropriate variable.