Button & Lable Controls

Button control :-

Button control is used to perform the required operations when used to click on it

properties with button control

1.     Command Argument
2.     CommandName
3.     OnclientClick  
4.     PostBackUrl

CommandArgument:

• This property is used to send the required data to the server when user clicks on button
• The data type command arguments is object type

CommandName:

• This property is used to indentified from which control event has been raised if same function or event is called from multiple controls

OnClientClick:

• This property is used to execute javascript function when user clicks on Button

PostBackUrl

• This property is used to redirect the user request when user clicks on Button to other website or other webpage

Events associated with Button Control:

1.     Click event
2.     Command Event

Click Event:

• This event will be fired when user clicks on a button
• This event doesn’t support command name & command argument property

Command Event:

• This event is fired when user clicks on button control
• This event will support command name & command argument properties

Definition of Event:

• An event is similar to a function used to perform the require operation
• In general it is not required to call any event
• Event will call automatically when it performs an action which is known as event firing or event raising

Label Control:

• This Control is used to give the description about the other Controls and used to display the data to the user dynamically