How to get dynamic checkbox in gridview along with it's header check event

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ASP.NET

dear all,

i want a code for generating dynamic checkbox in gridview along with header template check click event. so when i click the header part all the checkbox of the same clicked columns get checked and when i unchecked the checkbox all checkbox s unchecked.

i am generating a check box at run time along with check box data from database. i.e i am creating a template field at coding part and in templatefield i am generating header template and item template and assigning checkbox to header template and item template.

so when i click the header template checkbox then all the column of the particular checkbox is being checked.


so please help me i need this code so urgently. please...