Parse and TryParse

Parse
   This function will take a string and convert it and then return the integer.
It will throw FormatException if it cant parse
Throw OverflowException if it is too large
Throw ArgumentException if it is null value

TryParse
   This wont throw any exception. It returns a boolean if it was able to successfully parse a number
ex., int.Tryparse(string, out result).

Data Controls

Repeater :

    It contains  Header Template, Item template , alternate

Item template and footer template . it can't support

Selection, editing, sorting and paging. this is read only

and fast.

Datalist :

   It contains Header Template, Item template , alternate

Item template , Edit item template and footer template . it

can't support sorting and paging but supports selection and editing

DataGrid(or GridView) :

It contains Header Template, Item template , alternate Item

template , Edit item template and footer template .it can

support selection, editing , sorting and paging . Mostly

every developer caught used this control  .