how to generate a pdf from gridview column

Question

Hi ,

I have gridview in my project, in gridview added on link button download pdf.

When click on download pdf then generate a template as pdf Shown below image :

This is the Gridview :

 

 

 

 

This is preview template :

 

 

 

 

This is open when click on preview.

 

When I click on download pdf button in gridview i want to download template as pdf format.

 

Please help me .

 

Thanks.